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Climate models predict rising CO2 will reduce the heat escaping into space. The IPCC expected outgoing long-wave radiation to fall by about 0.8 W/m² since 2000. However, satellite data show the opposite has actually occurred. Using NASA observations, a 2025 study finds outgoing long-wave radiation increased, not decreased. At...

34,736 views • 4 months ago •via X (Twitter)

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This is the next big plan for SpaceX: AI Data Centers in Space. • To achieve even a small fraction of a Kardashev Type II civilization (harnessing the full energy of the Sun), AI compute will require orders of magnitude more energy than Earth can ever provide. • Earth only intercepts about 1–2 billionths of the Sun’s total energy output. • Massive-scale AI (e.g., a million times more energy than Earth could produce) can only be powered by capturing far more solar energy in space. • Space-based solar-powered AI satellites/compute clusters are therefore inevitable. • In space, sunlight is continuous (no night, no clouds, no atmosphere), so no batteries are needed. • Solar panels in space can be extremely lightweight and cheap (no glass, no storm-proof framing required). • Cooling in space is dramatically easier and simpler: just radiate heat directly into the cold vacuum — no water, no fans, no liquids, no massive cooling infrastructure. • Most of the mass/volume of current supercomputer racks (e.g., GB300) is cooling hardware; in space that largely disappears. • The cost-effectiveness of electricity and compute in space will soon be overwhelmingly better than on Earth. • Elon’s Prediction: within ~5 years (by ~2030), the lowest-cost way to run large-scale AI will be solar-powered satellites in space. • A terawatt/year of AI compute is essentially impossible on Earth with any realistic build-out of power plants. • Scaling both power generation and cooling on Earth at the required rate is physically and politically unfeasible.

Nic Cruz Patane

49,035 views • 9 months ago

WATCH: CBS exposes European climate arrogance and steadfast refusal to adopt A/C in the face of a deadly heat wave, TONY DOKOUPIL: We are launching a new series here tonight, something we are calling The Big Question- the first one inspired by our news of more than a thousand heat-related deaths in Europe. The continent has more heat-related deaths per capita than anywhere else on the planet but in fact fewer hot days. So why is the heat in Europe so much deadlier than everywhere else? He is Leigh Kiniry with The Big Question. LEIGH KINIRY: In Europe, there's a perfect storm. The oldest population on any continent that's warming the fastest. France's record heat last week is linked to roughly 1000 deaths of mostly elderly. INE VANDECASTEELE: All climate related impacts on hazards, heat is the biggest killer. KINIRY: European officials are calling for change, but not the kind that may seem obvious. Install air conditioning, especially for vulnerable people, and save lives. Why is that not a solution in Europe? VANDECASTEELE: My honest response is I don't think that should be the solution anywhere. In the longer term, what happens is installing more air conditioning actually emits more heat into our environment so it will actually increase the speed of warming. KINIRY: It's also more expensive. Energy prices are much higher in Europe. Governments find other ways to cool historic and densely populated cities. In Rome, wearable technology is distributed to monitor the elderly who are by far in the most danger. A recent survey in France said one in six people they surveyed said they'd rather suffer for the sake of the environment. Does that surprise you? VANDECASTEELE: No. We’re not doing this for us. We’re doing this for the future generations. KINIRY: Leigh Kiniry, CBS News, London.

Jorge Bonilla

63,689 views • 2 months ago