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This is today’s edition of The Download,our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Hacking the atmosphere: geoengineering gets a reality checkSolar geoengineering, the controversial idea that we could deliberately intervene in the climate system to counteract global warming, is moving beyond computer simulations and into the practical engineering challenges required to make it real. Researchers are now working on aircraft, materials, and other systems for solar geoengineering. But as they delve into these details, they’re finding that even early deployment would require significant new infrastructure, time, and investment. Find out what happens when solar geoengineering encounters the realities of trying to cool the planet. —James Temple MIT Technology Review Narrated: inside interoception, the hidden sense of how you feel insideScientists have a word for how we sense ourselves from the inside: interoception. Today, thanks to a 2021 Nobel Prize and new tools that can map internal signaling across the body, research into interoception is taking off. As researchers decode how signals move between body and brain, a clearer picture is starting to take shape—with implications for how we treat conditions from obesity to anxiety. —Katherine W. Isaacs This is our latest storyto be turned into an MIT Technology Review Narrated podcast, which we publish each week on Spotifyand Apple Podcasts. Just navigate to MIT Technology Review Narrated on either platform, and follow us to get all our new content as it’s released. The must-reads I’ve combed the internet to find you today’s most fun/important/scary/fascinating stories about technology. 1 SpaceX is now valued higher than Amazon 2 G7 leaders want access to top US AI models 3 Trump’s AI export strategy has run into Trump’s export controls 4 Huawei’s big comeback has exposed the limits of US chip controls 5 AI fears are pushing Silicon Valley toward gene-editing startups 6 A brain implant has enabled a speechless ALS patient to work full-time 7 A leak has revealed details of Peter Thiel’s secret society 8 ChatGPT’s market share has slipped below 50% for the first time 9 A quantum state that lasts forever may finally be within our grasp 10 Commodore has made a digital detox phone that isn’t dumb Quote of the day “The Entity List is like whack-a-mole and you’ve got to keep whacking the moles.”—Philip Luck, who studies global supply chains at the Center for Strategic and International Studies, tells Reuters that a lack of new blacklistings is likely leading American innovations to adversaries who could use them against the US. One More Thing  COURTESY OF DEEPMIND
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