 Urine has been a source of some major insights in chemistry. Without it we may not have fertilizers, matches or even some fizzy drinks. What's even more amazing is that urine led to the discovery of one of the first elements of the modern era.
 How does a permanent set of contact lenses to correct your eye sight sound? no more glasses or dry, itchy eyes due to contacts. Well this could be possible in the very near future with the invention of UK student Devesh Mistry idea to use an auto-focusing, liquid crystal material to corrects all kinds of defects in vision.
 The worlds lightest material known to science has a structure that is made out of around 99.99% air (says aerospace company - Boeing). The name of the material goes by Microlattice; the lightest metallic structure ever made. In fact the material is so light it can actually balance on top a dandelion; however, don't be fooled, for the material is very strong.
 Grad students in denmark have been able to develop a new bio-sensor which promises to spot unclean water in a matter of seconds. A technology such as this, if put into production can prove to be so useful for companies who depend upon fast lab results to get an all clear for clean water.
"I believe that our product will revolutionise the way microbiological water quality measurements are made," said Erik Gustav Skands, a graduate students from the Technical University of Denmark and CEO of the tech startup, SBT Aqua. The team behind the invention hopes to bring it to market some time next year.  A plastic "skin" able to feel pressure has be created at stanford by the work of Zhenan Bao, a professor of chemical engineering. The new material is able to know how hard it is being pressed by carrying an electrical impulse to a living brain cell.
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