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Weird & Wonderful
Strange, shareable thought experiments — fly, breathe underwater, gravity gone, a world after everyone leaves. Planetary Earth/Moon/Sun scenarios live under World. The models stay honest — weird does not mean made-up physics.
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What If Gravity Stopped?
Weight vanishes; velocity does not. Earth goes straight, air expands, people float. A thought experiment with a timer.
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5 interactive experiments.
What If Gravity Stopped?
Weight vanishes; velocity does not. Earth goes straight, air expands, people float. A thought experiment with a timer.
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What If Everyone Disappeared?
A scientific succession timeline: power, water, plants, buildings. Pick a year and see a sober sketch of that moment.
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What If Humans Could Breathe Underwater?
Depth still costs about one atmosphere every ten metres. Gills and oxygenated liquids are different thought experiments.
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What If Humans Could See Infrared?
Set a long-wavelength cutoff and use Wien's law. Body heat peaks near 10 μm, not in near-IR superhero vision.
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What If Humans Could Fly?
A hover-power estimate from weight and wingspan. Muscle-powered human flight is borderline; history agrees, barely.
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