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Cosmic microwave background

Definition

Cosmic microwave background

Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang. The big bang is now orthodoxy, although without a theory than unifies general relativity with quantum theory, we’re stuck in explaining exactly what it was or why it happened.

Keele University

Environment

UK could use hydrogen instead of natural gas – if it can make enough

News

Godzilla

Godzilla: King of the Monsters reveals our obsession with radiation

Culture

Second law of thermodynamics

Definition

Second law of thermodynamics

Technology

Working hypothesis: From Pokémon Sleep to David Camerson

Insight

We use more energy as we get older

Environment

Older people use more energy - and it's not just because of wealth

News

Three Gorges Dam

Environment

Humans have interfered with most of the world's greatest rivers

News

HBO's Chernobyl drama highlights the human cost of nuclear catastrophe

Technology

HBO's Chernobyl drama highlights the human cost of nuclear catastrophe

Culture

Seven charts that explain what net zero emissions means for the UK

Environment

Seven charts that explain what net zero emissions means for the UK

News

Coal-free spells are good, but the UK is falling short of carbon goals

Environment

Coal-free spells are good, but the UK is falling short of carbon goals

Despite growth in renewable energy, the UK still uses plenty of gas – and other sectors are failing to cut emissions

News

Physics

Fridges made from plastic crystals could help cut carbon emissions

News

Environment

Global carbon emissions from energy hit a record high in 2018

News

Technology

The compelling tale of how climate change denial came to grip the US

Culture

Technology

Venezuela has suffered power blackouts for days

News