Much like anything else, there are certain car models that work better for the vertically gifted than others. If you're a tall driver, avoid these 12 models.

They're not exactly flying cars, but small electric helicopters might become a more common sight in the future thanks to the FAA's new pilot training program.

Button cells are useful for all sorts of smaller or low-power devices, but are ones that are the same diameter, like a CR2025 and CR2032, interchangeable?