Fun fact: gas pressure changes linearly with temperature. If you make one of these plots at mild conditions you can extrapolate the line down to zero pressure and measure where absolute zero temperature is
It's also not necessary to use high octane fuel if the manufacturer recommends it. Modern cars have sensors and computers that adjust how it runs if you fill it with cheap gas so it doesn't knock or anything.
The lenses in a VR headset make it seem like the screen is infinitely far away. If you need glasses normally, then you will need to wear them or something equivalent to see clearly in VR.
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