Why doesn’t plastic biodegrade?
This question was asked by Millie from Alexandroupoli, Greece. It’s hard not to be aware of the plastics issue. Public…
Category: Technology
How do aeroplanes fly?
For millennia humans have dreamed about being able to fly and this shows in our myths and legends; there’s Icarus,…
How do plasma balls work?
This question was asked by Hollie from Plymouth, UK. Plasma is sometimes known as the fourth state of matter; it…
What is fracking?
Fracking is a nickname for hydraulic fracturing, a controversial process used to obtain reserves of natural gas deep below Earth’s…
How do glasses improve your vision?
Some people wear glasses because they’re long-sighted (hyperopic), which means that they can see distant objects clearly but find it…
Why doesn’t superglue stick to the inside of the tube?
Superglue is a particular type of glue known as a cyano-acrylate, or an acrylic resin. The substance was initially discovered…