World's Smallest Christmas Card 2022
Sometimes festive greetings come in small packages. The world's smallest christmas card has been created by nanotechnologists at the university of glasgow. How small is the world's smallest christmas card? Scientists have created the world’s smallest christmas card that could fit over 200 million cards in a single postage stamp.
The greetings card is so small that when an electron microscope was used to photograph the card, it pinged off the stand. Scientists have created the world’s smallest christmas card that could fit over 200 million cards in a single postage stamp. Scientists have created the world’s smallest christmas card — measuring just 15 micrometres wide — that could fit over 200 million cards in a single postage stamp. These cards are so small they are measured in microns, or millionths of a meter, which makes them invisible to the naked eye.