USB-enabled devices (or two AA batteries) can be recharged with this solar charger, which features thin, lightweight, flexible solar cells.
Credit: Christopher Harting
Product: Be Prepared USB+AA Solar Charger
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China’s losing its taste for nuclear power. That’s bad news.
Once nuclear’s strongest booster, China is growing wary about its cost and safety.
The record for high-temperature superconductivity has been smashed again
Chemists found a material that can display superconducting behavior at a temperature warmer than it currently is at the North Pole. The work brings room-temperature superconductivity tantalizingly close.
Climate change’s highest cost: Overheated employees too miserable to work
The US economy could lose $221 billion annually by 2090 as people stop working as much or as hard.