You can start a fire with ice
Daniel Marshall2023-03-03T21:01:26+11:00You can actually use some frozen water to start a fire and it's much simpler a process than you might think.
You can trap a laser in water
ulf@obii.mobi2023-03-03T21:03:22+11:00It might surprise you to learn that, for all the power a laser has, it’s actually very easy to trap a laser beam in water.
