EXTEND A REMOTE'S RANGE
If you are opening a gate with a remote, and you are a bit out of range, put it under your chin pointing upward. Your skull is a close enough approximation to a parabolic reflector to direct some extra energy forward giving you extra distance.
YOUR HAND AS A RULER
Measure your hand from your fingertips to palm and memorize it. Now you can judge the size of anything without a ruler. Try to pick a finger that is pretty close to a standard length (1inch). You will never need a ruler to estimate again.
REBOOT THE CREDIT CARD MACHINE
To piss off an annoying customer behind you in line at a checkout, hold down all the 4 corner buttons on the credit card machine to reboot it. It will take a while to restart
GO STRAIGHT TO YOUR FLOOR
To go directly to your floor on an elevator, even if other floor numbers have been pressed, simply press the desired floor and the door close button at the same time, you will go directly to that floor.
SPEND LESS TIME IN THE COLD
If your lock is frozen, use instant hand sanitizer on it. With it's heavy alcohol content , it can break down ice. Squirt some in a resistant lock and get out of the cold.
TEST A REMOTE
If you point a TV/DVD remote at a cellphone camera and press any button, you can see the infrared light. This trick will also let you see if IR security cameras are on in the dark.
EXTRA BATTERIES
9volt batteries contain six AAAA sized cells that can be used in electronics that take AAA batteries. Small sized 12volt batteries contain eight 1,5volt button cell batteries , which retail for $3-$5 each.
Been using the hand as a ruler forever!!
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