This Sleek New L.A. Commuter Train Is Pollution-Free

nnIn Los Angeles County, a new, low-emissions commuter train is helping combat local and global smog by powering itself with hydrogen fuel cells.nnLiquid or gaseous hydrogen is considered the best green alternative to the heavy fuels that power society’s largest machines, and this ZEMU train is just a few months away from starting routine service […]

Good News in History September 12

266 years ago today, French astronomer Charles Messier mistakenly identifies the Crab Nebula with his 100 mm refracting telescope from a room in the Cluny Hotel in Paris. Abbreviated as M1, it was the first discovery that led to the Messier star catalogue, consisting of 110 objects in space that are still today abbreviated with […]