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Electromagnetic spectrum

Definition

Electromagnetic spectrum

The electromagnetic spectrum is a continuum that encompasses all electromagnetic waves, including light, infrared radiation and gamma rays. At different wavelengths, these take on different properties

Car charging

Technology

AI could help make fast-charging, long-lasting electric car batteries

News

A new battery could keep your phone charged for five days

Technology

A new battery could keep your phone charged for five days

News

Electric car charging

Technology

Here's how we can stop a mountain of electric car batteries piling up

News

battery

Technology

Electric cars could charge in 10 minutes with a new kind of battery

News

flooded forest

Environment

Deliberate drowning of Brazil's rainforest is worsening climate change

Features

solar site

Technology

Outshining fossil fuel: Your guide to the revolution in solar energy

Features

The real history of electricity is more gripping than The Current War

Technology

The real history of electricity is more gripping than The Current War

Culture

Adding more bioethanol to petrol is no way to go green

Comment

Adding more bioethanol to petrol is no way to go green

Comment

Feedback: Is Boris Johnson a bus-building SEO genius?

Boris Johnson's bus mentioning SEO trick, plus lemon-powered cars and space’s most expensive mistake in our weekly round-up from the world of weird

Regulars

Technology

Cobalt for 500,000 electric cars could be harvested from the oceans

News

Technology

Venezuela has suffered power blackouts for days

News

Technology

No plugs needed: How wireless charging could set electric cars free

Insight

Video

Can batteries transport us to a greener future?

Video