Jump, little maggot, jump! Show the world that not only the finely muscled and strong-boned can defy gravity, but also the soft-bodied and wormy.... David Hu, a mechanical engineer at Georgia Tech who often studies animal movements but was not involved in this research, said the paper was “full of surprises,” such as the latch: “It’s a soft latch, composed of thousands of microscopic parts, that can shoot a soft larva like its being shot out of a cannon.” Hu also has appointments in the Georgia Tech Schools of Physics and of Biological Sciences.