The new TSA security scanners are getting smaller. Your carry-on bags will be fine.

Your carry-on bag should fit in the new TSA scanners.Joe Raedle/Getty ImagesThe TSA has been rolling out an enhanced 3D X-ray scanner for around a decade.It speeds up security, but the opening is smaller than the machines it replaced.Some people worry their carry-on bags will no longer fit. They don't need to worry.The Transportation Security Administration's new X-ray scanners are better in almost every way for travelers, except one: The smaller opening may not fit some carry-on bags.The new 3D