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Space-age slingshot

Space-age slingshot

Startup hopes to launch satellites using a catapult 

An augmented reality headset and app could aid those who cannot see

Researchers identify vulnerability in hotel room door locks

Can 3-D printing help solve the developing world’s housing problems?


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Cheap new filters produce drinking water free of lead, arsenic, and bacteria

Are cars without mirrors closer than they appear? 

Vehicles of the future may know when you’re having a medical emergency

Uber and NASA team up to develop an airborne taxi system

A tire-maker proposes an airless, biodegradable tire for tomorrow’s cars