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Whether improving green energy options or devising new medical devices, inventors toil to improve human life in every area. Here are a few of their big successes from 2014.

NeuroPace

About 50 million people in the world suffer from epilepsy, according to the Epilepsy Society. The NeuroPace system involves implanting sensors in epileptics’ brains that predict oncoming seizures. Then it works like a defibrillator, sending electrical pulses to counteract the brain’s erratic signals and prevent a full-blown seizure. After eight years of clinical trials, the NeuroPace became available in 2014.