MACHINES: HOW THEY
WORKThursdays
10/9c on
ScienceThis
machine can
decipher coins
with pinpoint
accuracy. Light
sensors measure
the size while
electrom
(more)
MACHINES: HOW THEY WORKThursdays 10/9c on ScienceThis machine can decipher coins with pinpoint accuracy. Light sensors measure the size while electromagnets ...