Topic Tuesday #58 2013/08/27 - "Water Clock Running Dry"

Topic Tuesday #58 2013/08/27 - "Water Clock Running Dry"

To return to the core of the 'Can We Fix It?' mission, we have a problem and we need a solution (no pun intended since it's about water). In the United States there is a vast water reserve that is being depleted at an unsustainable rate. The High Plains Aquifer lies beneath eight states from South Dakota to Texas and supplies 30 percent of the nations irrigated groundwater (it is also a key source of potable drinking water in the region). A new study, out of Kansas State University and published online Monday in the journal 'Proceedings of the National Academy of Sciences', has concluded that it will be depleted within 50 years at the current usage rate. David Steward (professor of civil engineering at KSU) said, "It would take an average of 500 to 1,300 years to completely refill the High Plains Aquifer."
This is a complex problem with implications that are stupefying. Bridget Scanlon (Sr. research scientist and lead of 'the Sustainable Water Resources Program' at the University of Texas - Austin) had a few comments about the study.

"We know the aquifer is being depleted, but trying to project long-term is very difficult, because there are climate issues and social aspects that have to be included. Projections are so difficult because I think we're clueless about a lot of things, like extreme weather events. Farmers are trying to make a living, and they're responding to economics," she explained. "Asking them to drastically reduce water might be like asking me to retire now because there are so many unemployed people. This is a very nice study, but we really need to address droughts and socioeconomic issues, and other approaches to figure out the problem, beyond the technical. If we don't know what we're doing, are we just rearranging the deck chairs on the Titanic?"

It's a valid response. It is not dismissive, but urging more inclusion of other factors for strategy, which is a secondary target diverting from the crux of the matter. We are going to run out of water. It's not a matter of 'if'; it's a matter of 'when'.
What can we do? We can continue rationing water supplies. We can improve irrigation methodologies and technologies. At some point, we will need to harvest water from other resources. Desalination and pipelining it to the nation's breadbasket to keep food production going.
What happens when a town runs out of water? The people leave. It's just that simple. If you can't feed the livestock and crops with enough water, they wither and die. Then the farmers leave, and there is a food shortage and then costs rise as demand is shifted. Economies are drastically affected in our global community by a little thing like a drought. It is a fragile situation and deserves attention while there is still a resource to utilize. And... I haven't touched on "Fracking" yet.
Any ideas? Can We Fix It?

Topic Tuesday #50 2013/07/02 - "CHARGE!!!"

Topic Tuesday #50 2013/07/02 - "CHARGE!!!"

CHARGing you batteries is not the easiest thing to do some days. It gets especially difficult when you do something unusual. For instance you may have seen the MIT/Wilson Solar Grill.

This implementation is unique in the way is stores energy, which is certainly different from the way a cell phone or laptop stores power. This configuration (which has not actually been constructed to my knowledge) uses a fresnel lens to magnify and focus the rays of the sun to melt a lithium nitrate substrate. The melted lithium nitrate, due to its phase change reaction, is able to release its thermal energy for longer periods of time and at higher temperatures than other methods up to now. Heat is then redistributed through convection, which allows for outdoor cooking and heating homes. This method is referred to as "latent heat storage".

Obviously this is a unique application that requires a specific set of criteria. This could also be used to provide electric power or boil water for steam applications. 

Peltier element

Remember any time you have a change of temperature you can utilize that to create power as the heat is exchanged and returns to a neutral state. Peltier coolers use power to create heat, which in turn creates a cold side. With an application such as this, derivatives of that technology can turn a heat source, into power. If done creatively, a refrigerator too. 

Batteries, and power sources in general, are complicated things. The design may be simplistic, but usually a power supply is designed to fit an application.  Some things to consider:

Capacity (Amp Hours)

Weight 

Size (Physical Dimensions)

Discharge Rate (Time to Empty at designed load)

Charge Rate (Time to Charge, when under load and not under load)

Charge Cycles (number of charge/discharge cycles before needing to replace)

Operating temperature range (Affects charge and discharge rates. Batteries can catch fire and explode under the "right" circumstances, like being embedded in a cooking appliance like the solar grill)

Architecture of storage media: Lead-acid? NiCd? NiMH? NiZn? AgZN? NaS? Lithium ion? - and so forth.

Longevity and recyclability:

Obviously what the battery is made of has far reaching implications for the ability to recycle them. Lithium is rare, expensive, and in high demand. Lead Acid (car, marine, UPS batteries) are low cost, high weight, and readily recycled into new batteries given the proper facilities.

So, thank your local engineers for building all this stuff we take for granted all the time, and keep the innovation alive by encouraging our youngsters to... play with electricity, fire, water, light... and anything that interests them. Who knows what problem they might solve.

Topic Tuesday #29 2013/02/05 - "Meme Machine"

Topic Tuesday #29 2013/02/05 - "Meme Machine"

MEME (pron.: /ˈmiːm/ /mēm/ MEEM) Noun

1.) An element of a culture or behavior that may be passed from one individual to another by nongenetic means, esp. imitation.
2.) An image, video, etc. that is passed electronically from one Internet user to another.

Culturally we have been inundated with memes in our information age. We should all have a general concept of what a meme looks like, but do you know what a meme actually is? What it stands for? What it's great purpose is? Perhaps, or perhaps not. Let's jump into some abbreviated back story.
In 1976 the book "The Selfish Gene" was published by author Richard Dawkins, a British evolutionary biologist. Dawkins was set about explaining how the genes in all living organisms could be analogous to a replicator. The gene has a simplistic purpose, to replicate itself as successfully as possible. That is the essential take away from the book on the topic of genes, however he coined a term to expand on the notion. When an idea or concept is replicated through a culture, he dubbed it a "meme". The Ancient Greek words; mimeme ("something imitated"), mimeisthai ("to imitate"), and mimos ("mime"). These Greek terms, combined with the concept of the 'gene' being a replicator, served as foundations for the concept. Thus modifying the word 'gene', become 'meme'.

We have seen many of these memes through our lives and mostly we just look over them. We are blissfully ignorant over their (memes) innate power to program us as a host to pass along the memes knowledge and concepts. You might think that a maddening prospect. That an inanimate, no... worse than inanimate, a figment, a concept at best - could be something that could do something like force you to know something and even to pass it along unwittingly. But it's true. Our brains are good at one thing in particular: Pattern Recognition.
Have you heard of a "mnemonic device"? Mnemonic devices are techniques to help remember something. It’s a memory technique to help your brain better encode and recall important information. It’s a simple shortcut that helps us associate the information we want to remember with an image, a sentence, or a word, etc, etc..
Mnemonic devices are very old, and virtually everybody uses them, even if they don’t know they are. It’s simply a way of memorizing information so that it “sticks” within our brain longer and can be recalled more easily in the future. This is the nature of a meme.

Have you ever been someplace and smelled something that reminded you of something from your childhood? Have you ever heard a word said in a particular way that caused you to have a melody or entire song to populate in your head, so strongly it was there the rest of the day? Perhaps an image that caused you to cry, for no apparent reason. These are all indicators of memory programming. You can call it "learning" if you like.  The result is the same.

So what can you do with this knowledge? Perhaps you can do something great. Program little life lessons into your own memes. A funny little picture, a few well phrased words, inserted in a simple shape (usually squarish), and presented in a way that gets lots of eyes to look at it. Memes spread like a virus. This is one reason for the term, "going viral", on the internet. The meme is so popular, so easy to remember, so catchy, that it spreads like wildfire and soon everyone knows it. Just don't take every meme you see on the internet as gospel. Just because somethings catchy, doesn't make it true or useful.
Propaganda spreads this way.
Misinformation spreads this way.
Songs, pop culture, politics, news, old wives tales, lies, truths, rumors, gossip, and occasionally educationally useful things are all apt to be replicated in the meme machine that is our own brains.

Soon I will be putting out some memes for CanWeFixIt.org. Let's put that 3lbs of pattern recognition meme machine to good use!

Topic Tuesday #27 2013/01/22 - "Dollars and $ense"

Topic Tuesday #27 2013/01/22 - "Dollars and $ense"

I remember buying my first car. I was excited as I saved up $1,500 over a summer and was going to buy it outright. It was going to be a hunk of junk, a clunker - but what does a 16 year old care really when the freedom of transportation is promised? I wrote the check... I felt sick to my stomach. I wanted to retch at the thought of the exchange... All my hard earned coin was going to be gone in an instant. I did it anyway. I got the car and had my measure of freedom and responsibility. You never forget your first time, and that was my first car and also my first big check.

In the world of finance, money has no value. Keeping this in mind may change your view of the world. Let me explain:
In the USA, we have dollars as our agreed upon currency standard. But what is a dollar? Two "sawbucks"?Four Quarters? Ten Dimes? Twenty Nickels? A hundred Pennies? Yes but not at all. A dollar is a promissory note. That's all. It's true worth is that of 'paper' (Though it's actually a complex blend of fibers more akin to fabric for durability-but I digress). We use them as a token of perceived value for the purposes of the exchange of goods and services. the currency itself has no intrinsic value at all. In the end, it's worth is a lie. But a convenient one.

I am a big fan of the barter system. I often wonder what I could gain from exchanging my skills with those around me. How much is my effort worth? I need a roasting hen for supper, so I could fix a sink, or repair a computer. Maybe saving your files from a crash would be worth a large pig or a cow, or painting my house in return, or maybe the paint. Hard to say. Very hard to say. Can we exist on it alone? No. Not really. What would the power company ask you in trade for a Kilowatt Hour to run said computer? What would the city ask in return for protection and clean water? It's a slippery slope to a feudal system. A liege lord and his castle keep taking care of the main functions of society while you pledge your loyalty to them. Or worse even... The company store, where you pay back your wage of effort to be always a little behind and become an indentured servant, slave labor, deep in a coal mine.


We do need regulation and standardization in a modern day. But let's review just 2 generations ago. Your grandmother could go down to the corner store and buy a loaf of bread for a nickel. She thought that was expensive. Today, the same loaf, though likely much worse for us, costs around $2.  Over say 75 years, the cost of a loaf of bread inflated. It's a simple task to understand the real value of a loaf of bread. It feeds you. It provides nourishment. It is sustenance. You can't fill your belly with money alone and expect to live long. We go with the perceived value of money. The perceived worth of a loaf of bread, a liter of water or gas or milk and so on.

It's troubling to know that the money in your pocket is almost meaningless. What happens when the men behind the curtain, that decide how much money is in circulation and what interest rates to lend more promissory notes out with, decide to print more money and circulate it wildly? The money in you hand loses value. If the regulators pull money from circulation, and artificially constraining the economy, they make the money a more scarce resource and raise it's value, it's buying power. Supply and demand - on demand. When the economy can be manipulated in such a way as the $10 you have in savings is only able to be exchanged for a quarter of what it used to, when you earned it and traded your skill and effort for it, it makes you wonder if this is the right system.

Can we go back to a fixed system? One backed by gold (The Gold Standard). Would we want to? Commodities such as gold and oil and nearly everything else of value, are traded wildly on the stock exchanges of the world. Their value fluctuates wildly.  Though the value of a dollar also fluctuates it does so at the pace of the Federal Reserve. They choose the base interest rates for borrowing, and decide how much money should be in circulation. They do so at regular intervals, so the cost of things like bread does not sway wildly out of control. It's not an enviable job. Someone will always tell you it's wrong. The sad thing is they are right in that it's always wrong for someone.

I could go on, but I want the conversation to carry it forward. Good or bad, the economy work this way in a far more efficient manner than a barter system alone could enjoy. I'm terrible at pricing my services, and will always be taken advantage of, or be made to feel like I am robbing someone if I price competitively. How many chickens is a computer rebuild worth?

Topic Tuesday #11 2012/10/02 "Oh the Humanity?"

Topic Tuesday #11 2012/10/02 "Oh the Humanity???"

In todays world we continue to push the limits of science. What tends to follow the science - is the philosophy...
Today, I want to look at what it takes to be human.

March 2011: Enter a dying man, Craig Lewis, 55, Dying from amyloidosis. Craig had 12-24 hours to live when his wife Linda okayed an experimental procedure by two innovated doctors at the Texas Heart Institute. Dr. Billy Cohn and Dr. Bud Frazier, successfully replaced his heart with a continuous flow pump. Two venturi like pump motors served as a replacement for the failed muscle. There was a catch though; Craig no longer had a pulse. EKG was flatlined. Linda Lewis said, "I listened and it was a hum, which was amazing. He didn't have a pulse." The technology passed multiple animal trials and it certainly passed this test.

I've included the short documentary on it below.

Heart Stop Beating | Jeremiah Zagar from Focus Forward Films on Vimeo
As technology changes us, as we lose those telltale markers that we are alive, how will we adapt? Our minds are a series of electrical impulses and it's a trivial jump to reason that one day we will "backup" our consciousness, and perhaps be downloaded back into a new or greatly repaired body. How will humanity deal, with immortality? Will we still be human? With no need of an afterlife, will we need religion?

Topic Tuesday #10 2012/09/25 "Water World - Part 2"

Topic Tuesday #10 2012/09/25 "Water World - Part 2"

We need quite a bit of water to survive on. It needs to be clean...
Last week I discussed the requirements of how much water we need to survive. Today, how do we make it safe?

I am going to quickly give some ways to clean up water so you don't die. 

There are 4 categories; Separation, Chemical, Filtration, Oxidation.

SEPARATION: (HEAT, LIGHT & GRAVITY)

• SEDIMENTATION gravitationally settles heavy suspended material. 
• BOILING WATER for 15 to 20 minutes kills 99.9% of all living things and vaporizes most chemicals.  Minerals, metals, solids and the contamination from the cooking container become more concentrated. 
• DISTILLATION boils and re-condenses the water, but many chemicals vaporize and recondense in concentration in the output water. It is also expensive to boil & cool water. 
• ULTRAVIOLET LIGHT is a good bactericide, but has no residual kill, and works only in clearly filtered water. Still in its infancy stage is a new technology involving super white light.

CHEMICALS

• CHLORINE is common, cheap, but extremely toxic. It does not decrease physical or chemical contamination, it does increase colesterol formations, is a carcinogen, amd causes heart disease. 
• IODINE is not practical, and is mostly used by campers. 
• HYDROGEN PEROXIDE kills bacteria with oxygen, is chemically made and is very toxic. It is used in emergencies. 
• COAGULATION-FLOCCULATION adds chemicals which lump together suspended particles for filtration or separation. 
• ION EXCHANGE exchanges sodium from salt for calcium or magnesium, using either glauconite (greensand), precipitated synthetic organic resins, or gel zeolite, thus softening the water. Minerals, metals, chemicals or odors are not affected, and the water is salty to drink. 

FILTRATION

• SLOW SAND of 1 cubic meter passes about 2 liters/min, and does a limited bacteria removal. 
• HIGH PRESSURE/RAPID SAND of 1 cubic meter passes about 40gpm and must be backwashed daily. 
• DIATOMACEOUS EARTH removes small suspended particles at high flow rates, must be back-washed daily and is expensive.
• PAPER or CLOTH filters are disposable and filter to one micron, but do not have much capacity. 
• CHARCOAL: 
• -COMPRESSED CHARCOAL/CARBON BLOCK is the best type of charcoal filter, can remove chemicals and lead, but is easily clogged, so should be used with a sediment prefilter. 
• -GRANULAR CHARCOAL is cheaper, but water can flow around the granules without being treated. 
• -POWDERED CHARCOAL is a very fine dust useful for spot cleaning larger bodies of water, but is messy and can pass through some filters and be consumed. 
• REVERSE OSMOSIS uses a membrane with microscopic holes that require 4 to 8 times the volume of water processed to wash it in order to remove minerals and salt, but not necessarily chemicals and bacteria.

OXIDATION - These are most often used in big water treatment facilities. These techniques attempt to mimic what mother nature does with rivers. See THE SELF-PURIFICATION OF RIVERS AND STREAMS, from 1919. You can read a great deal about it to understand how it is supposed to work.

• AERATION sprays water into the air to raise the oxygen content, to break down odors, and to balance the dissolved gases. However, it takes space, is expensive, and picks up contaminants from the air. 
• OZONE is a very good bactericide, using highly charged oxygen molecules to kill microorganisms on contact, and to flocculate iron and manganese for post filtration and backwashing. 
• ELECTRONIC PURIFICATION and DISSOLVED OXYGEN GENERATION creates super oxygenated water in a dissolved state that lowers the surface tension of the water and effectively treats all three types of contamination: physical, chemical and biological.

The easiest for you and me to go through is likely to be the separation method. An issue to remember here, and one that has caught entire villages with a bad case of the runs, is proper storage of the water once you have sterilized it. There are many methods to do that, but that will be another topic. Look for "Food Safety" later on.

Now for your consideration: 

1. What are your plans on keeping a supply of available, CLEAN, water on hand? 
2. What would be the best method for scaling up for family clusters, to villages, to towns, etc? 
3. Are you going to try any of these methods?

Topic Tuesday #9 2012/09/18 "Water World - Part 1"

Topic Tuesday #9 2012/09/18 "Water World - Part 1"

© hdptcar

Day after day, day after day,

We stuck, nor breath nor motion;

As idle as a painted ship

Upon a painted ocean.

Water, water, every where,

And all the boards did shrink;

Water, water, every where,

Nor any drop to drink.

- The Rime of the Ancient Mariner

And you thought I was going to mention a certain movie where someone pees into a Mr. Coffee and gets Tasters Choice... Well you were right. Love it or hate it, Water World with Kevin Costner, presents some interesting scenarios. The only one I am concerned about is potable water. Clean water, that won't kill you. Pretty important stuff. You can live for about 72 Hours without proper hydration. Food is not without moisture but in the strictest terms, you will die from dehydration long before starvation. Now I could go on and on and on about conservation and the importance of water, but that will be for another topic. Today lets talk about solely about how much water we need and where we can get it. 

In a survival situation, water quite often is a life and death factor. If you are in your fortress of solitude, you may have a cache of water. The numbers on what is recommended you consume depends on the individual, environmental factors and labor exerted. The Institute of Medicine determined that an adequate intake (AI) for men is roughly 3 liters (about 13 cups) of total beverages a day. The AI for women is 2.2 liters (about 9 cups) of total beverages a day, for an average, healthy adult in a temperate climate. What you eat also provides a significant portion, an average of 20 percent of total water intake. Given that we are in the context of a survival situation, we will forego chat about excessive water consumption, hyponatremia. The above information was from the Mayo Clinic and the numbers SEEM high for consumption (given that FEMA recommends 1 gallon or 3.78 liters for drinking and sanitation). We will look at one more metric to determine our hydration needs: Urine.
"Generally if you drink enough fluid so that you rarely feel thirsty and produce 1.5 liters (6.3 cups) or more of colorless or light yellow urine a day, your fluid intake is probably adequate."[Mayo Clinic] This also may seem high but to avoid illnesses and allow your body to properly dispose of waste, it is a vital number. Personally, I have worked long and hard and knew I needed to drink more as I hadn't had to pee for over 8 hours. That was with what I thought was large consumption of fluid. It wasn't enough; so watch yourselves and those in your care.

Now for your consideration: Recap: We need quite a bit of water to survive on. It needs to be clean, BUT given that is a HUGE topic on it's own, I'm breaking that out into part 2 for next week.
Where do we find our water? This is assuming the municipality stopped working or you are making a sequel to Swiss Family Robinson. Brain Storm with me and share your favorite methods to collect water.

Topic Tuesday #8 2012/09/11 "Tomorrow Land"

Topic Tuesday #8 2012/09/11 "Tomorrow Land"

If you have been reading some my previous Topic Tuesdays, you have probably figured out, I am a bit of a futurist. I try to look at the big picture and see where will be in the years ahead. There are a lot of variables here and no one can pretend to be able to see the future with any certainty. Regardless of those obvious shortcomings, I look to the future. Today's topic is future related as well, but rooted in the present. With a simple query, I pulled up the estimated population of earth. Wolfram Alpha and Apple were kind enough to furnish the graphic.  http://www.worldometers.info/ Has live counters for much of this information aggregated from the sources that keep track. Simply put, we have approximately 7 billion people onboard spaceship Earth. Estimates have that number rising to around 10 billion by 2050. That estimate doesn't take things like medical improvements and social infrastructure proliferation, which will make the number larger. What's the point to all this? What are we supposed to do with that many human beings on the planet? How will we feed them? Where will they live? What will they do to work? How will they entertain themselves?
Now think about this... I just gave you a bunch of numbers and here is the one that matters: 38.
The scenario played out is only 38 years away. This is within most of our lifetimes. It's not Star Trek future; it's 401k retirement future. This is just not that far away... In America, we do not face the over crowding issues of nations like China, India and Japan. That doesn't mean America won't have to in the near future. Scenarios like overcrowding, famine, water shortages always highlight science for me. I saw a recent NASA estimate that terraforming Mars, will take a whopping 480 years and 5 trillion dollars (that's the complete deal, no suit required, go play fetch with fido in the park, time frame). 480 years, call it 500 years, is 400 years too late to handle the issues we will have here, but in doing research towards those ends, we will discover amazing things that we can use here. Imagine, the problems that come with restarting an entire planets biosphere to make it habitable for you and me. I think we might find a few way to clean up this planet  in the process. One day, people may realize, its about all of us, and not just about getting a better rate of return on your 401k. Our legacy, is our future as it is being written now. Will we live in enormous arcologies?
Will we resort to blood sport and de-humanize ourselves to control population? It's only a few decades away. What do you think?

Topic Recap: in 38 years, the population of Earth will rise by 3 billion people to 10 billion+. How will we handle that? And what about the future beyond that? How/where will we live with this many people in the year 2100?

Topic Tuesday #3 2012/08/07 "Sustainability: The future is at stake."

Topic Tuesday #3 2012/08/07

Sustainability: The future is at stake. 
Open your mind to the sustainability of our actions as a species.

• When we run out of oil, what will we do? 
• When we run out of coal, what will we do? 
• When we have contaminated the water, and can't drink it or eat the fish, what will we do? 
• When the air we breath is toxic and the plants (not factories) all die from the acid rain that falls though the soup, what will we do?

We are literally consuming the planet. I'm not making it up. Fossil fuels (you know from the dinosaurs that died millions of years ago) are not renewable. We can recycle some of it, but not the gasoline that is converted into toxic hydrocarbons that we pump into the atmosphere.
Now the question, given the above as a primer: 

If you were granted virtually unlimited financial resources and the best and brightest minds, what do you propose we do to ensure our species lives for the next 10,000 years and beyond?

Richard Feynman ♥

The Pleasure of Finding Things Out: http://www.youtube.com/watch?v=Bgaw9qe7DEE

Fun To Imagine: http://www.youtube.com/watch?v=v3pYRn5j7oI&feature=bf_

prev&list=PL04B3F5636096478C

Thanks to April for creating this and sending it our way.



Responses from Facebook (my wall is PUBLIC, so always remember that the world will see it.):

 Share · August 7 at 10:13am ·

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    Tom Houston The people in charge making these decisions will be dead long before it becomes an issue so they don't care as it will be someone else's problem. :P

    August 7 at 10:16am · Like
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    EditDelete

    Andy Cowen But there is always someone to replace them. So what would you do? What would you hope that your children and grandchildren do to keep us going? The stock market punishes anything other than growth. We cannot grow infinitely (on this world). So how to we make sure humanity (such as it is at times) isn't a galactic flash in the pan?

    August 7 at 10:23am · Like · 1
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    Jim Mathews Our civilization has been built on technology and abundant, convenient and cheap fuel. The infrastructure up till now has been very robust because we are still operating on much of that infrastructure. We are facing many challenges before we even try and tackle expensive, inefficient and so far not sustainable without major government involvement which is why industry has only taken only a research interest.....

    August 7 at 1:04pm · Like
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    Andy Cowen 
    

    Again... What would you do if the limitations you specified were removed? Brainstorm with me. Science tells us some simple truths. As long as there is a difference, power can be generated. Take a fan that was still and put it into the flow ...See More

    August 7 at 2:08pm · Like
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    Andy Cowen 
    

    Sustainability is not just power... It's also agricultural. Currently our farmland and crops have been engineered to over produce. It strips all the nutrients out of the land leaving nothing for the next crop. All the nutrients have to be ...See More

    August 7 at 2:15pm · Like
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    Jim Mathews 
    

    Well, of course with unlimited resources and all those resources going to solve the problem instead of lining peoples pockets..... sorry, off subject, we could make anything we wanted. The technology is there. one of the problems is the pop...See More

    August 7 at 5:26pm · Like
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    Andy Cowen I think it may be a matter of population distribution.

    August 7 at 5:39pm · Like
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    Jim Mathews yes, that is definately a problem. the other problem is transporting food and resources to the population

    August 7 at 6:07pm · Like
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    Tom Houston Hydroponic Skyscraper Farms, about 1 square acre by about 100 stories tall. :)

    August 7 at 6:09pm · Unlike · 1

Responses from Google+ (my wall is PUBLIC, so always remember that the world will see it.):

AWE... Nothing today from G+