Radar magazine has a gallery of thirteen consumer products that were originally developed by space exploration programs. Among them is the ear thermometer:
Link via The Corner
In an effort to identify newborn suns, NASA replaced standard mercury-filled thermometers with infrared-sensing cameras to detect tricky heat signatures. And now doctors use the same technology to take your temperature in your ear.
Link via The Corner
Ordinary pens turn out to work just as well in micro-g by capilliary effects.
Electrically heated gloves were certainly around for airgunners during the second war.
Some of the others are a bit dubious, too.
"Besides providing musicians with enhanced tone and sturdier instruments, the lightweight material [for guitars] emits sound 11 times faster than wood."
What on earth does that mean?