Precious joules: a fusion-energy result

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<p>Scientists have reported a long-awaited <a href="https://www.economist.com/science-and-technology/2022/12/13/controlled-fusion-power-is-little-nearer-now-than-it-was-a-week-ago?utm_campaign=a.io&utm_medium=audio.podcast.np&utm_source=theintelligence&utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">nuclear-fusion</a> breakthrough, using lasers to ignite hydrogen-isotope fuel in a self-sustaining burn. But that marks just one step on a long, uncertain road to clean fusion energy. Same-sex marriage in America is now <a href="https://www.economist.com/leaders/2022/12/10/gay-marriage-becomes-the-law-of-the-land-in-america?utm_campaign=a.io&utm_medium=audio.podcast.np&utm_source=theintelligence&utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">protected</a> by legislation, in a compromise that could provide a template for future culture-war clashes. And the uncertain future of <a href="https://www.economist.com/the-economist-explains/2022/12/06/why-darjeeling-tea-may-face-extinction?utm_campaign=a.io&utm_medium=audio.podcast.np&utm_source=theintelligence&utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">Darjeeling teas</a>.</p><p>Help us make the show better: take our listener survey at <a href="http://economist.com/intelligencesurvey" rel="noopener noreferrer" target="_blank">http://economist.com/intelligencesurvey</a></p><p>For full access to print, digital and audio editions of <em>The Economist</em>, subscribe here <a href="http://www.economist.com/intelligenceoffer" rel="noopener noreferrer" target="_blank">www.economist.com/intelligenceoffer</a></p> <hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>