Is it a coincidence we’re seeing all these new beer-saving products around St. Patrick’s Day? Eh, maybe. But regardless, it’s still nice to see America’s brightest minds focusing on the big issues. The TapIt Cap turns your growler into a mini-keg, injecting CO2 into your brew to keep it carbonated, crisp, and oxygen-free. Yes, curing cancer would be a much more important development, but while we wait for that glorious day to arrive, let’s at least not suffer through stale beer.