• Mwallerby
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    7 months ago

    And it’ll only take 10^7 years to pay for itself, bargain!

      • Mwallerby
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        7 months ago

        First section says it’ll take 10^29 joules to slow down the earth, third section says 10^22 joules in 350 days, so 10^7 difference, approx that many years to make back the energy from step 1