Neutrino lasers: It’s an idea that many physicists didn’t see coming. At first glance, physics suggests that it would be impossible to make a laser of neutrinos, famously elusive subatomic particles.

Like robots, 3D-printing, space, and a handful of others, laser beams are undoubtedly classified under the “cool” side of science/technology. In the latest laser-beam related findings, Physicists from ...