Real-World Math: A Bit Of Trig And Hay For The Horses : NPR Ed : NPR - 0 views
-
John Evans on 16 Apr 15"uilding a giant steel bale feeder is hard. Try it. Problem No. 1: Unless you live in ranch country, you probably don't even know what it's supposed to look like - regardless of whether you can build one. Problem No. 2: Arc welding is involved. Problem No. 3: Getting it right requires some serious math."