How to Remove Soot
Soot may be the result of an outdoor barbecue, perhaps on your pergola or brickwork; it may be from the …
Dr Chemical Posts
An Alternative Shaving Cream
So you need to have a shave but you’re out of shaving cream? What do you do? Well, you have …
Book Extract #12: Toothpastes
Toothpastes are a little like dishwashing detergents in that there is very little difference between brands, and our choice of …
Answers for Dr Karl #1: Plastic Bags and Chicken Juice
Dr Karl is a smart guy. He has an extraordinary broad knowledge of science in general, as well as human …
Read moreAnswers for Dr Karl #1: Plastic Bags and Chicken Juice
Are White Sugar and White Rice Bleached?
I was asked a very interesting question today – are white sugar and white rice white because they have been …
The Great Preen Con
In 1985 I formulated the first Preen Trigger: The brief I was given was that …
On ABC TV This Week
If you haven’t seen The Checkout yet, on ABC TV at 8pm on Thursdays, have a look – it’s a …
Book Extract #9: Oil & Water Chemistry #2
Examples of organic molecules are carbohydrates, proteins, enzymes, oils and fats. These are of course all naturally-occurring molecules (and most are …
Book Extract #8: Oil and Water Chemistry #1
I remember the first time I saw kerosene and water mixed together. We used to have an old kerosene heater …