Alva Review-Courier -

OAK RIDGE, Tenn. (AP) — Kids across the world emptied their stockings Christmas morning to a host of treats and trinkets, undoubtedly including the newly popular fidget spinner: a simple gadget made of flat plastic spinning on a ball bearing.

Well, Oak Ridge National Laboratory scientists have created their own version, but don't expect to see kids playing with them at the New Year's party this year. In fact, don't expect to see one at all, unless you happen to have an electron microscope.

ORNL scientists have created possibly the world's smallest fidget spinner, which measures just 100 micron...