In a related look back, prior to around 1923 most everyone believed that the Milky Way galaxy was the entire universe. People saw fuzzy little patches of light in their pictures, but those were explained away as gas clouds within out galaxy. Edwin Hubble's findings in the early '20s were the first evidence that they… » 8/18/14 2:42pm Monday 2:42pm

Captain Z-Ro. Who, you say? It was a 1950's tv show featuring the Captain, who had a secret lab and a time machine. He and his teenage assistant "Jet" (they had a sort of Batman and Robin relationship) would view an episode in history and invariably observe that things weren't turning out as the history books said:… » 8/18/14 2:30pm Monday 2:30pm

It might be pretty but it's inefficient as hell. No matter where the light comes from, half of each cell is in shadow, and about 1/3 of the area of the side that faces the light is at such an acute angle that its efficiency is greatly reduced. Flat cells might be ugly, but for a given cell area nothing beats them… » 8/18/14 5:10pm Monday 5:10pm

Fun fact: the term Fixed Base Operator dates to the 1920s. It distinguished aviators who flew from a permanent location from "barnstormers" who flew from town to town putting on stunt exhibitions and selling rides. Barnstormers are a thing of the past, but the term FBO has emdured. » 8/17/14 5:45pm Sunday 5:45pm