Fill in the blank: in the old days, when a knight went to war and wanted to protect himself from incoming swords he used a _____. If you said “shield,” you’re right. Shields have been protecting men for centuries. Today, it’s not typical to see knights walking around Pittsburgh or any other city carrying shields,… Read more »
Tag: Magnetic Tubes for sale
Make it Easier to Separate Materials with Magnetic Tubes and Grate Magnets
There’s a popular TV show called Gold Rush where a bunch of wannabe gold miners head up to Alaska and The Yukon to see if they can dig for—and find—gold. It’s fascinating to see them dump tons of rocks and dirt into their industrial wash plant, where tiny little specks of gold can get caught… Read more »