Word: metallers
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...Kendall Square Band, as the set of instruments is called, cost $90,000 to build and consists of three pieces with names befitting their location by MIT: Pythagoras, a series of chimes; Kepler, a ring-shaped gong; and Galileo, a vibrating sheet of metal...
Matisse explains that when a typical metal bar is struck and vibrates, several points on the bar—called “nodes” by physicists—do not vibrate, but produce two tunes that resonate from each bar. Matisse sawed nicks at these nodes on the bar so that the whole bar would be more flexible, setting the two tones a full octave apart and eliminating the discord...
...gong, called Kepler, is now broken but produced sound when a hammer hit its metal disc. The third instrument—dubbed Galieo—is a metal sheet that makes a loud, thunderous noise, sometimes irking commuters, when the handle is moved...
...home: Silly String. It seems that the neon plastic party streamers sprayed into an open doorway before a building search or across a darkened room can help detect nearly invisible trip wires attached to bombs and boobytraps. The old methods to detect trip wires - sweeping the space with a metal grappling hook or getting close enough for a visual inspection - just aren't as safe, Marines discovered...
Recently, Peter finally e-mailed me to confirm an anecdote my mother had relayed. In the past week, apparently, he had visited the Sistine Chapel, attended a hilarious Italian heavy metal concert, and found himself singing onstage with a local band in Ireland...