21/12/2023

How technology and economics can help save endangered species

A lot has changed in the world since the Endangered Species Act (ESA) was enacted 50 years ago in December 1973. Two researchers at The Ohio State University were among a group of experts invited by the journal Science to ...

Image: Pinhole propulsion for satellites

A palm-sized propulsion option for future space missions: Each one of these seven emitter arrays etched onto this silicon wafer using micro- and nano-technology possesses more than 500 pinhole-sized emitters that spray out ...

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