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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?


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