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+# Gravity Simulation
+
+Written in [Haskell](https://haskell.org) using
+[Gloss](https://hackage.haskell.org/package/gloss).
+
+Install [Nix](https://nixos.org) and run `nix-shell --run 'cabal run'`,
+or install Haskell, [Cabal](https://www.haskell.org/cabal/) and Gloss
+manually and run `cabal run`.