All objects fall at the same speed
ulf@obii.mobi2023-03-03T21:02:40+11:00If you dropped a bowling ball and a feather from the top of a tall building, which do you think would hit the ground first?
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.
Bananas are radioactive and can walk
ulf@obii.mobi2023-03-03T21:04:29+11:00Every time you eat a delicious banana, you’re exposing yourself to radiation, but don't panic.
Moonmoons are the moons of moons
ulf@obii.mobi2023-03-03T21:03:58+11:00We know that planets orbit stars and moons orbit planets, but did you also know that a moon can have an orbiting moon of its own?
We have more than five senses
ulf@obii.mobi2023-03-03T21:04:57+11:00We all know the traditional five senses: touch, sight, taste, hearing and smell. But these five are just the beginning.
