That is great you say, but how big is that really? Well you could produce 8,276 of these cards on one postage stamp. Now that is super small! This was an exercise in nano- technology and showing what the capabilities for it can truly be.
Learn Something Fun: Nanotechnology comprises any technological developments on the nanometer scale, usually 0.1 to 100 nm. (One nanometer equals one thousandth of a micrometer or one millionth of a millimeter.) The term has sometimes been applied to any microscopic technology.