If you were a curious child growing up when TVs were universally equipped with cathode ray tubes, chances are good that you discovered the effect a magnet can have on a beam of electrons. Watching the ...

Add Yahoo as a preferred source to see more of our stories on Google. If you grew up around some of the earlier models of televisions and computers, you may have received at least one sternly-worded ...

CERTAIN types of cathode-ray tubes in which the luminous spot on the fluorescent screen is moved by magnetic fields are liable to a peculiar defect, known as 'ion spot' or 'ion burn'. It is now ...