Fusion is a kind of nuclear power, which could revolutionise how clean energy is produced. As a new wave of experiments heats up, can fusion live up to the hype?

00:33 The future of green energy
02:00 What is nuclear fusion and how does it work?
03:17 Is it achievable?

Sign up to The Economist’s daily newsletter: https://econ.st/3s9WjPB

Energy security gives climate-friendly nuclear-power plants a new appeal: https://econ.st/3QHgdd1

Listen to our podcast about the importance of private companies in advancing nuclear fusion https://econ.st/49n7aqa

Fusion power is coming back into fashion: https://econ.st/49jPwDu

Watch our film about the transition to green energy: https://econ.st/473WDNT

The race to build a commercial fusion reactor hots up: https://econ.st/47kpfDn

Watch more of our Now & Next series: https://econ.st/46TXWjv