Three years ago, a detector sitting on the floor of the Mediterranean Sea recorded a single subatomic particle carrying more energy than anything of its kind ever seen before. Where it came from has been a mystery ever since. Now, scientists working with the …
Imagine catching a single raindrop and realising it fell from a storm on the other side of the universe. That's roughly the scale of what happened on 13 February 2023, when a detector submerged in th… [+3718 chars]
