This Underwater Machine Sees Ghost Particles

Every 10 seconds a star explodes somewhere in the universe blasting out particles like this guy – the most elusive particle in all of physics! And for the next billion years, it goes in a straight line through stars and planets and walls…without hitting anything. Then one day, it flies all the way through the Earth and it hits a proton… To see what happens and what this massive machine can detect, subscribe! #shorts #space #km3net #neutrinos #physics #science