Normally when you take a great shot, you want to print it nice and large. Not the nanotechnologists at Swiss university ETH Zurich, though: They just set the record for smallest inkjet-printed color image in the world. At about 80-by-115 micrometers, the picture — of clownfishes loitering around a sea anemone — would comfortably fit on a cross-section of a human hair.
But the researchers didn’t use ordinary ink; this image is printed with “quantum dots,” tiny particles that emit light of different colors depending on their size. Smaller dots are blue, large ones are red, and those in-between are green or…
- Who Will Be TIME's Person of the Year 2023?
- Why Cell Phone Reception Is Getting Worse
- The Dirty Secrets of Alternative Plastics
- Column: It's Time to Scrap the Abraham Accords
- Israeli Family Celebrates Release of Hostage Grandmother
- In a New Movie, Beyoncé Finds Freedom
- The Top 100 Photos of 2023
- Want Weekly Recs on What to Watch, Read, and More? Sign Up for Worth Your Time