It's a simple physics problem. The great pyramid of Giza weighs 5.5M tons. 1 kg of mass dropped into a black hole converts to 9 x 10^16 J or 21.5 megatons. The lifetime of a black hole is on the order of the mass cubed in Planck units. A Planck mass is 22 micrograms. So the pyramid weighs 2.5 x 10^17 Planck units and would live about 10^52 units of 5.4 x 10^-44 seconds, or about a year. It would convert mass to Hawking radiation energy at a rate of 300 kg/s, or 30 exawatts of hard gamma rays.
This is about 300 times the energy received from the sun. Since radiation increases with the fourth power of temperature, this would raise the Earth's surface temperature from 290 K to 1200 K before it went out with a final 100 billion megaton blast. -- Matt Mahoney, [email protected] On Thu, Dec 11, 2025, 12:21 AM Quan Tesla <[email protected]> wrote: > John. I give up. How many and when and where's the physical evidence > thereof? It's all speculative. Interesting, but speculative. It may also > just have been the temples of the elite, hogging the limelight and social > power. Not disimilar to what we observe today. > > On Thu, Dec 11, 2025 at 6:01 AM John Rose via AGI <[email protected]> > wrote: > >> On Wednesday, December 10, 2025, at 9:55 AM, Quan Tesla wrote: >> >> Did some reading. aboyt Dyson spheres. Fascinating concept. Thanks for >> the headsup. Down to Earth, the following is AI's version of our state of >> civilization. Q: If less than 10% of the global population achieves 0.75, >> does that mean the whole civilization did? Nope. We're still in the Type >> I's infancy. Lots of opportunity to really ramp this up. >> >> >> How many watts did the pyramids put out :) >> > *Artificial General Intelligence List <https://agi.topicbox.com/latest>* > / AGI / see discussions <https://agi.topicbox.com/groups/agi> + > participants <https://agi.topicbox.com/groups/agi/members> + > delivery options <https://agi.topicbox.com/groups/agi/subscription> > Permalink > <https://agi.topicbox.com/groups/agi/T7ff992c51cca9e36-M67c3f1c225e40aaa8b541395> > ------------------------------------------ Artificial General Intelligence List: AGI Permalink: https://agi.topicbox.com/groups/agi/T7ff992c51cca9e36-M7996e2b1dd85960ed7cafb5f Delivery options: https://agi.topicbox.com/groups/agi/subscription
