Elon Musk’s Hyperloop is possible. How badly do we want it?
Ultrathin fuel cell uses the body’s own sugar to generate electricity 
Algae-powered computer
Algae-powered computer runs for a year on light and water 
Discovery of “impossible” superconductor promises 100x faster electronics
Solar + battery hybrids are poised for explosive growth
myopia glasses
Could a former NASA scientist’s “sunlight glasses” protect your vision
Invisibility cloaks are not just possible, but are becoming reality
Researchers develop a paper-thin loudspeaker 
Graphene typically costs $200,000 per ton. Now, scientists can make it from trash.
quantum memory
A new kind of diamond will hold a billion Blu-Ray’s worth of data