This “how-to” video shows how one can create an electromagnetic train in a wire coil. All it takes is AAA batteries and magnets, a ground metal rod 5/8" diameter or 1/2" copper pipe, 18 or 20 gauge uncoated (bare) copper wire or plated copper wire,

Monday, 24 April 2017 09:49

What can you do with old used cables?

Got a minute? This primer on deserves a trophy for its quick presentation of one possible use for “retired” cables