Builders World
Every app here started as physics a Class 8–10 student proved by hand, then turned into a tool for someone they know. Try one, remix it, or build the next one.
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apps live
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people used them
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classes building
How every app gets here
Pick a real problem, prove the physics, and your app could be up there.
Every app passed a hand-worked physics check and was approved by the student's teacher with a parent's consent. Builders are shown by first name and class only.