"Researchers there have built what they say is the world's smallest untethered, controllable robot. When placed on a penny, it looks like a mole on the side of Lincoln's chin, measuring a hundredth of an inch by one four-hundredth of an inch."
"Researchers there have built what they say is the world's smallest untethered, controllable robot. When placed on a penny, it looks like a mole on the side of Lincoln's chin, measuring a hundredth of an inch by one four-hundredth of an inch."
