In school, physics always came with the formula first: here is T = 2π√(L/g), now plug in the numbers. A few weeks into B.Tech, my teammate Vinayakan V and I wondered: what if you did it the other way round? What if you just filmed something moving and let the computer work out the formula? That question became Video2Law , which we built in one day for the Open Scientific Intelligence Hackathon 2026. What it does You open a short video of something swinging, and the app: ...