Engineering

How a tougher skin could change the shape of stealth aircraft

Stealth fighters and bombers are among the most expensive aircraft in the world, and they rely on a radar-absorbent polymer skin to avoid detection. But that polymer is so fragile that these high-end aircraft have to be designed ...

Internet

Alphabet harnesses light beams to bring Internet to Africa

While we tackle scores of digital tasks daily on our desktop computers, smartphones, smart watches, notebooks, security devices and sound systems, and converse with Siri, Alexa and Google Assistant to answer questions or ...

Engineering

Virgin's Hyperloop carries passengers for the first time

The Virgin Hyperloop made its first journey carrying passengers Sunday, in a test the company claimed represented a major step forward for the "groundbreaking" technology capable of transporting people at 1,000 kilometers ...

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