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Stretchy plastics hide secret pictures

Technology

Stretchy plastics hide secret pictures

A new invisible ink that reveals secret messages when squeezed could be useful in preventing fraud

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An easier way to turn plant scraps to plastics

Earth

An easier way to turn plant scraps to plastics

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Colour-changing metal to yield thin, flexible displays

Technology

Colour-changing metal to yield thin, flexible displays

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Flower-like liquid crystal lens grows like a pearl

Technology

Flower-like liquid crystal lens grows like a pearl

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<i>Terminator 2</i>-style liquid metal can now be 3D printed

Technology

Terminator 2-style liquid metal can now be 3D printed

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Technology

Twisting artificial muscle fibre made with nanotubes

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Carnivorous plant inspires super-slippery material

Technology

Carnivorous plant inspires super-slippery material

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DVD alloys help make computers that think like us

Technology

DVD alloys help make computers that think like us

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Technology

Self-healing plastic fixed with a laser's light touch

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Technology

Self-folding sheet offers lazy way to origami

A glass-fibre sheet seamed with "shape memory" foil can fold itself up into an aeroplane or boat in 20 seconds

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Technology

Strung-out plastic performs heat feat

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Technology

Nanosculptors banish brittleness in smart alloys

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Technology

Innovation: A licence to print gadgets

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Space

Robots could flex muscles that are stronger than steel

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