Why Do Helium Balloons go Flat so Quickly?
When we blow up a balloon normally, they can stay inflated for a couple of days. But we all know …
Fun Stuff
Kettle vs Microwave
Which is more efficient for heating water – a kettle or a microwave? Suppose you are going to make pasta, …
Cyclone?
There was no blog posting yesterday as we lost power. Back on today I think. Quick question though – why …
Washing Dishes Without Detergent.
Incredible but true! in fact it works so well that you don’t even need to use a scourer. Here’s how …
Carbohydrates and Sulphuric Acid (or How to Dehydrate Carbohydrates)
One of the more spectacular chemical demonstrations getting around is sulphuric added to sugar. What on earth happened? Suddenly out …
Read moreCarbohydrates and Sulphuric Acid (or How to Dehydrate Carbohydrates)
Homemade Rat Poison
Got rats? Then do I have the solution for you??!! this topic came up as a result of a news …
An Elevator to Space?
On the 4 June 1783 the Montgolfier brothers were the first humans to break the surly bonds of Earth in …
A Neat Chemical Practical Joke
Everyone enjoys a good practical joke. And the best practical joke I’ve ever seen is a neat trick which utilises …
Alternative Flysprays
You see a cockroach scuttling across the floor and you don’t have a flyspray handy. What do you do? Well …