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This week's new questions

Last Word

This week's new questions

How tight are the lids on food jars supposed to be, and what happens when dark matter falls into a black hole? Send us your thoughts

Regulars

Moore's law

Definition

Moore's law

Electrolyser

Environment

Europe wants to use hydrogen to slow climate change - will it work?

Analysis

glasshouse

Technology

Water-filled windows could keep your home cool and save energy

News

The detector with a billion sensors that may finally snare dark matter

Space

The detector with a billion sensors that may finally snare dark matter

Features

Why cracking nuclear fusion will depend on artificial intelligence

Physics

Why cracking nuclear fusion will depend on artificial intelligence

Features

Solar Panels in Germany

Technology

Two-sided solar panels that track the sun produce a third more energy

News

This week’s new questions

Last Word

This week’s new questions

Regulars

Mega solar plant uses 170,000 mirrors to generate heat for electricity

Technology

Mega solar plant uses 170,000 mirrors to generate heat for electricity

Regulars

What is dark energy, and could it destroy the universe?

Video

What is dark energy, and could it destroy the universe?

If dark energy has its way, the universe may rip itself apart. Astrophysicist Kathy Romer gives the low-down on this enigmatic stuff.

Video

Video

Microorganisms: the future of food, fuel and medicine

Video

Environment

Fracking wells in the US are leaking loads of planet-warming methane

News

Environment

Coronavirus crisis could cut UK summer electricity use by a fifth

News

Environment

Electric cars really are a greener option than fossil fuel vehicles

News