Tsubasa Yumura, a computer science researcher in Japan, rigged up a keyboard that looks like it launches letters into the computer when they're pressed. It uses a technique called projection mapping.

This new viral sensation sweeping across platforms like X and ... by looking at the letters on their keyboards. For example, they might say, "Look between H and L on your keyboard," leading ...

The meme that says “look between X and Y on your keyboard” has taken ... swapping ‘X’ and ‘Y’ with letters like ‘H’ and ‘L’. What does the meme mean, and why is everyone ...