Year: 2010

Nuclear reactor test footage

But this video of Penn State’s Breazeale nuclear reactor “pulsing” is the first time I’ve ever seen any moving pictures of the phenomenon, which are somehow way more impressive. And since this is a phenomenon few of us will ever have an opportunity to witness first-hand, the 15 seconds it takes to watch the video definitely count as time well spent in my book. Note how the blue glow persists for some time after the reactor itself has been shut off.

Time lapse video of ‘tin pest’ metallic phase change

Really amazing. What’s going on in this cool time-lapse video from Italian YouTuber wwwperiodictableru isn’t a chemical reaction per se–it’s not oxidation or some other type of traditional corrosion. Turns out metallic or “white” tin spontaneously changes its so-called alpha crystal structure at temperatures below XX to the crumbly beta structure of “gray” tin. It’s the same stuff before and after–just different allotropes of the same element. The transformation, known as “tin pest” (Wikipedia), catalyzes itself–once it starts it just gets faster and faster.

Read an RPG Book in Public Week

Read an RPG Book in Public Week

Read an RPG Book in Public Week is an event that happens three times a year, during the weeks surrounding March 4th, July 27th, and October 1st (starting on the Sunday on or before, and ending on the Saturday on or after). During these weeks, roleplaying enthusiasts are encouraged to take their favorite RPG rulebooks […]