Despite heavy investment and significant advances in materials science, graphene doesn't have the scale or the cost-efficiency to leave the lab yet.
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U.K. Intellectual Property Office
Lawrence Berkeley National Laboratory
American Chemical Society
Institute of Physics
University of Manchester
BAM Construct UK
University of Manchester
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The process of making the stuff in bulk is still a head-scratcher, so I've heard. Plus, you've likely got greedy asses trying to figure out a way to make billions when they could actually get a head start by releasing something, then updating processes along the way.
I have been following this some time back! It is to my way of thinking that the only way this comes to us is that someone has to make a profit off of it...A 'BIG' Profit ! Everyone has to understand....this is 2 to 3 times stronger than steel , can filter salt water into fresh water and the electrical applications are so great that it WILL put some companys out of business ! Right now here on this planet we have people who need fresh water and this will supply that! Electric companys will no longer be needed and auto companys will all most shut down.... if you build automobles with this they will last forever or almost! SO! there not going to make this that redly available ! There are so many applications that this is useful for that it will change everything we do! You see it is one atom thick.....so it has no weight ! Think about it! Flying cars , space craft, solar panels.... The list is endless! This is the sixth most abunit mineral on the planet and it dosnt take much of it to produce what we need.
So they put a billion into research.. What about the hundreds of billions they pour into nuclear power plants. They take many decades to break even if they're lucky, and we still have no clue what to do with the nuclear waste they produce or how to effectively decommission them after their useful lifespan... Yet we are still building new nuclear power plants... At a cost many times more than the entire graphene investment of the EU.
I think what that statement means or what the person intended it to mean is "known to humans". Some people might consider it redundant to say "known to humans" because we are the only context ever mentioned or discussed about when it comes to knowing things or using technology.
I wouldn't really say it's stretching things.
The class of drugs that Levitra, Viagra, Stendra, and Cialis belong to are called PDE5 inhibitors. They work by relaxing tight blood vessels, allowing more blood to surge into the penis and cause an erection, says Gregory Bales, M.D., an associate professor of urology at the University of Chicago.
The little pills do the trick for more than two-thirds of men with Viagra protects the heart (ED). They also work for guys who simply need them for a short time to get their “confidence back,” says Michael Eisenberg, M.D., director of male reproductive medicine and surgery at Stanford University.