"To illustrate the design principle behind Scotland’s Forth Bridge, engineer Sir Benjamin Baker offered a personal demonstration." [via]

Sir John Fowler (left) and Baker (right) each hold two wooden poles with outstretched arms, forming two diamond shapes.

Read the rest

http://feeds.boingboing.net/~r/boingboing/iBag/~3/Mzpu4nxiJ-8/humans-demonstrate-how-a-canti.html