Environment
7 crazy transport systems that didn’t go the distance
New York nearly had a pneumatic subway, and the US military thought about sending their soldiers abroad on rockets. Find out why these and other quirky ideas failed
Features
Technology
This self-healing robot can regenerate after being stabbed
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91色情片
How US diplomats may have been attacked by sonic weapons in Cuba
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Earth
There is a good case to unleash job-killing AI on the high seas
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Technology
You could finally control your Facebook data if UK law is passed
News