Mainspring Energy has adapted its linear generators so they can run on hydrogen or ammonia fuel, on top of widely available fuels such as natural gas and biogas. “The generator has passed key tests to ...

It’s time to get those jack-o-lanterns twinkling for Halloween. If you don’t want to use candles or buy a jack-o-lantern light this Halloween you can do like [Johannes Bauer] and code your own ...