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Technology

New device can scan your face in 3D from hundreds of metres away

A lidar scanner has a resolution so high it can image ridges and indentations of only 1 millimetre on objects hundreds of metres away – and capture objects as distant as 1 kilometre

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Technology

Quantum diamond sensor measured heart signals from a living rat

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Technology

Wearable device monitors tumour size and displays it in an app

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fabrics after spraying

Chemistry

Spray-on sensors can turn any clothing into motion-sensing technology

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Physics

Quantum lidar could help driverless vehicles spot bright objects

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G5YCKR International Space Station Earth observation image captured by Expedition 48 crew members showing the sun reflecting off the ocean and the thin layer of atmosphere protecting the Earth from space.

Technology

Weather sensors could float forever in the stratosphere using sunlight

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hand

Health

Finger sweat can power wearable medical sensors 24 hours a day

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Smart sensor measures how itchy you are by how much you scratch

Technology

Smart sensor measures how itchy you are by how much you scratch

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Pencil marks on paper can work as electrical sensors on your skin

Technology

Pencil marks on paper can work as electrical sensors on your skin

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t-shirt sniffing

Technology

Computer chip will sniff your armpits and tell you when you have BO

Technology firm Arm is building computer chips that will smell their surroundings. It wants to use them to spot gone-off food and to tell people if they have BO

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Technology

Make Halloween: with this device you can haunt your own home

Regulars

Technology

This mind-reading hearing aid knows who you're listening to

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Technology

Phone sensors can save lives by revealing what floor you are on

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Earth

Seabed seismic sensors would have cut 2011 Japan tsunami toll

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