Babbage: Power play

<p>An unlimited supply of clean, carbon-free energy—<a href="https://www.economist.com/science-and-technology/2021/06/23/the-race-to-build-a-commercial-fusion-reactor-hots-up?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">nuclear fusion</a> is a technology that could change the world. Can engineers make fusion work on a commercial scale? Also, mathematician Jordan Ellenberg on how geometry shapes the world. And, why one of <a href="https://www.economist.com/science-and-technology/2021/06/18/acl-injuries-are-a-growing-problem?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">the most common sporting injuries is more of a risk to women than men</a>—and how to prevent it. Kenneth Cukier hosts&nbsp;</p><p><br></p><p>For full access to The Economist’s print, digital and audio editions subscribe at <a href="http://www.economist.com/podcastoffer?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">economist.com/podcastoffer</a> and sign up for our new weekly science newsletter at <a href="http://www.economist.com/simplyscience?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">economist.com/simplyscience</a>.</p> &#10;&nbsp;<br /><hr><p style='color: grey; font - size: 0.75em; '>See <a style='color: grey; ' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>