On Sat, Sep 8, 2012 at 11:12 AM, Harry Veeder <[email protected]> wrote: > FYI > spring made from solder dipped in liquid nitrogen > http://members.mrtc.com/anvk/cryogenics/cryogenics.html#spring > > harry >
btw, the picture shows how a solder spring is easily stretched by its own weight unless it is frozen. In other words freezing increases the spring's stiffness or conversely warming reduces the spring's stiffness. harry
