#2050: RainRun

Today’s invention is a smartphone app (based on this physics) which holds approximate body shape data.

You take a few photos of the rain hitting the toecap of your shoe (pointing in your proposed direction of travel). These can be used to estimate the rainfall rate, as well as its direction of descent.

Entry of your distance from the next available shelter then allows calculation of the speed you need to run at to keep you as dry as possible.

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