51动漫

Electronics

A pile of e-waste

Environment

Slump in electronics sales due to pandemic could help tackle e-waste

The coronavirus pandemic has caused a slump in the sale of electronic devices and may give governments breathing room to tackle e-waste recycling, suggest UN researchers. Currently, only 17 per cent of e-waste is properly recycled

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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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Technology

Ultra-thin glass screen could be used to make e-readers or billboards

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Electronic blood vessel

Health

Electronic blood vessels could replace damaged arteries

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Technology

Self-cooling microchips could make your smartphone more efficient

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Technology

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

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flexible display

Technology

Fish scales turned into flexible and biodegradable electronic displays

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bird feeder

Technology

Make a remote-control pest-proof bird feeder 鈥� part 2

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bird feeder

Technology

How to make a remote-controlled pest-proof bird feeder

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Technology

Make a weather station with BBC micro:bits and a sensor

Get up-to-the-minute weather reports by turning an environmental sensor and two BBC micro:bits into a mini weather station

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Technology

Make a rain alarm with copper tape and a BBC micro:bit

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Technology

How to make a BBQ thermometer with a BBC micro:bit

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Technology

How to build your own intruder alarm with basic electronics

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Technology

How to build a motion-detector wildlife camera with an old smartphone

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