Russians reportedly building a satellite-blinding laser. How would it work?
sustainable air conditioning
Bill Gates-backed startup is building sustainable ACs
ultrasound sticker
MIT’s new ultrasound sticker lets you see inside your body
perovskite-on-silicon solar cells
Swiss team sets new world record for solar power 
fall asleep fast
This smart mattress will help you fall asleep fast 
Why Einstein is a “peerless genius” and Hawking is an “ordinary genius”
targeted pain relief
This implant cools off nerves to give targeted pain relief 
A celebrated AI has learned a new trick: How to do chemistry
How to be a techno-optimist
offshore wind turbines
These bendy wind turbines won’t crack in hurricanes