The whole point of a mechanical pencil is to have perfect sharpness forever. Yet without precise engineering and build quality, the standard slender leads are doomed to constant breakages. This ...
The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Intricate, calligraphic writing, mathematical equations and ...
To make your own reed switch you need only a few parts: some copper, enamelled wire and magnets. They really are simple devices however sometimes it’s easy to overlook how simple some things are ...
ATEN-POUND bite requires a forty-pound contraction of the human jaw muscles. That is because the jaws are built on the principle of a pair of tongs, The power is applied near the joint, while the work ...