The electrician who walks around the office all day with a cart full of bulbs may be eager to try out Milwaukee Electric Tool Corp.'s new fluorescent-lighting tester, which combines bulb and ballast ...

“Dear Mr. Fact: Is it true that you can test a microwave to see if it is leaking radioactivity by holding a florescent light bulb in front of it and if it glows, it leaks? If not, is there any way to ...