John Carmack
@ID_AA_Carmack · Jul 17, 2025
You may have heard that an average human breathes out roughly 1kg of carbon dioxide a day.
Gas masses are kind of abstract, and most of the mass is oxygen than you breathe in, but that is still 273 grams of carbon that your metabolism draws out of your body every day, even if
Elon Musk
@elonmusk
We are slowly combusting.
I still find it wild that human power density is higher than the Sun!
The Sun is just EXTREMELY massive.
09:22 PM · July 17, 2025 · 63K views
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