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(Image credit: Getty Images) Google just announced that it’s exploring the idea of putting AI data centers into orbit to take advantage of the sun’s solar output for power. According to Google Research , Project Suncatcher aims to have a constellation of solar-powered satellites with Google TPUs that communicate optically. This would allow the company to run a power-hungry data center without requiring the massive infrastructure needed to build one on land.
Power is currently one of the bottlenecks of the AI infrastructure build-out, with companies like Microsoft sitting on GPU inventories because it doesn’t have enough electricity for them. It's also causing electricity price hikes all over the U.S., burdening residents with the cost. Tech companies are investing in alternative technologies like small modular reactors and jet engines to solve their future power requirements, while current power supply challenges are quickly changing the makeup of power grids .
Solar power is a clean source of energy that data centers can use for power, but it takes up a lot of space and is subject to the day-and-night cycle and atmospheric conditions. Google suggests that by putting its satellite in a dawn-dusk sun-synchronous low-earth orbit (meaning the satellite would orbit the earth’s terminator, or the dividing line between day and night), it would be illuminated by the sun nearly 100% of the time. This would allow it to produce about eight times more power than ground-based solar panels, making space-based AI data centers potentially more scalable.
Jeff Bezos envisions space-based data centers in 10 to 20 years
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Reference reading
- https://www.tomshardware.com/tech-industry/artificial-intelligence/SPONSORED_LINK_URL
- https://www.tomshardware.com/tech-industry/artificial-intelligence/google-exploring-putting-ai-data-centers-in-space-project-suncatcher-wants-to-harness-in-orbit-solar-power-to-scale-ai-compute#main
- https://www.tomshardware.com
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