91色情片

Materials

Glass bridge

Technology

Should you worry about glass bridges after one shattered in China?

High winds are reported to have broken a glass-bottomed bridge in China, leaving a man clinging to a handrail above a 91-metre drop 鈥� but just how safe is glass as a bridge-building material?

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Pile of old computers

Environment

The EU may make recycling e-waste a legal requirement 鈥� will it work?

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Humans

British legal deeds were once written on sheepskin to prevent fraud

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Human musculature

Technology

Soft gel could power robot muscles that grow stronger with a workout

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A boat floating upside down

Physics

Watch a toy boat float upside down in a levitating puddle

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Angle grinder

Technology

Material that cannot be cut would make the ultimate bike lock

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artificial spider web

Technology

Artificial spider webs shake to stay clean, just like the real thing

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daddy long-legs

Technology

Lenses made with spider silk could help take pictures inside the body

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Physics

Jess Wade: The magic of mirror molecules and incredible nanostructures

Video
Woman opening curtains

Technology

Smart windows can let visible light through while blocking out heat

A 3D printed grate can be used to make a smart window that blocks heat from sunlight out in the summer while letting it through in the winter, conserving energy

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Technology

Microwaved bamboo could be used to build super-strong skyscrapers

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Technology

Vibrating clothes could make you feel like you鈥檙e wearing clouds

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Chemistry

Liquid metal that floats on water could make transformable robots

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Life

Millions of hairy tarantula skins could be used to mop up oil spills

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