The Guam Daily Post5 小时
Newly detected near-Earth asteroid has astronomers’ full attention
On Wednesday, an unprecedented memo from the International Asteroid Warning Network was sent to the United Nations Office for ...
Interesting Engineering21 小时
Solar panels on train tracks: French railway testing new system for power generation
The latest container-based solar-plus-storage plant developed by AREP, an SNCF subsidiary, can be placed on the rails and ...