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electromagnetism

Dual image

Technology

Two-colour pixels let you draw pair of images in the same space

Pixels created with pinholes in aluminium can change colour under different light, which may be useful for fighting forgeries and for storing data

News

Pierre Auger Observatory

Space

Far-off galaxies are firing rare high-energy cosmic rays at us

News

Exploding lightbulb

Technology

Eight great accidents in scientific discovery

Features

plasma plane

Space

Plasma jet engines that could take you from the ground to space

News

Starfish Prime nuclear explosion

Technology

Would a North Korean space nuke really lay waste to the US?

Comment

Princess Leia hologram

Technology

Twisted semiconductors could help project moving holograms

News

Airline pilots flying a plane

Health

ALS linked to occupational exposure to electromagnetic fields

News

Radio mic in studio

Technology

Norway is first country to turn off FM radio and go digital-only

News

Woman using VR headset

Technology

How high-end virtual reality headsets could lose the cables

News

snow cartoon

Feedback: a doggy guide to the depth of snowdrifts

Plus meteorology’s strange fascination with canine units, a drainspout for the multiverse, things we’d rather not know, and more

Regulars

Life

Feedback: Bluetooth pregnancy test is not immaculate conception

Regulars

Last Word

Chromatic quandary

Regulars

Last Word

Radio gaga

Regulars

Feedback: Noel Edmonds' electrosmog emissions

Regulars

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