This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

Q: I read the letter you responded to last week about the woman who got a warning for not using her signal in a dedicated left turn lane. I agree that it should not be an infraction, but I think ...

Your car can make different sounds for different reasons. However, not all of them signal a problem. Some are completely harmless and are simply there to inform you. One such sound you're probably ...