2006-11-29 11:55:14 · 3 answers · asked by goring 6 in Science & Mathematics ➔ Physics
Actually, a light beam is invisible as well, unless it's shined directly into our eyes. A light beam is visible in a dusty room, and a magnetic field is also visible when loose iron filings are present. The reason why magnetic fields seem invisible to us is merely because our eyes aren't tuned to pick up magnetic fields, but that does not say that it's impossible to devise an artificial eye that can "see" such magnetic fields.
2006-11-29 12:00:33 · answer #1 · answered by Scythian1950 7 · 0⤊ 0⤋
Magnets' force fields are invisible because the magnetism is a property of the magnets, not an element itself that can be turned into something else, captured, changed, or anything like that.
2006-11-29 11:58:12 · answer #2 · answered by I 4 · 0⤊ 0⤋
The rods and cones in the retina of human eyes are sensitive neither to electric nor to magnetic fields.
They are sensitive only to electro magnetic fields and that too for a very limited range of wavelengths called light rays.
2006-11-29 13:54:23 · answer #3 · answered by Pearlsawme 7 · 0⤊ 0⤋