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19 insights saved from Half as Interesting's videos by @relationships and @science
Why This Giant Bag of CO2 is Actually Useful10 insights · See all
  1. Because compressed-CO2 systems use standard compressors, tanks, and turbines rather than novel hardware, they can be deployed faster and with lower supply-chain risk than entirely new technologies.

    Because compressed-CO2 systems use standard compressors, tanks, and turbines rather than novel hardware, they can be deployed faster and with lower supply-chain risk than entirely new technologies.
  2. CO2 is well suited to that approach because it liquefies at room temperature under pressure, which packs more energy per volume than air and enables phase-change driven recovery.

    CO2 is well suited to that approach because it liquefies at room temperature under pressure, which packs more energy per volume than air and enables phase-change driven recovery.
Why You Can Only Have 150 Friends (According to Science)9 insights · See all
  1. There’s an upper limit of roughly 1,500 people you can reliably recognize because human recognition capacity is finite and beyond that distinguishing individuals consistently becomes impractical.

    There’s an upper limit of roughly 1,500 people you can reliably recognize because human recognition capacity is finite and beyond that distinguishing individuals consistently becomes impractical.
  2. Personal social networks form nested layers (roughly 5, 15, 50, 150) because limited cognitive and time resources force people to allocate attention into tiers where each outer tier contains about three times more relationships than the previous one.

    Personal social networks form nested layers (roughly 5, 15, 50, 150) because limited cognitive and time resources force people to allocate attention into tiers where each outer tier contains about three times more relationships than the previous one.
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