The recommended method for using them involves first pouring boiling water down the drain, followed by a cup of soda crystals into the plughole, topped with another cup of hot water. After waiting ...

LUXURY hotels always look immaculate, but the secret to keeping them spotless isn’t expensive cleaning products or high-end ...

When the water in the bowl has turned a vibrant ... Note its colour change. Put a teaspoon of bicarbonate of soda into the second cup. Is there a colour change? Compare it to the control.

WITH the official arrival of spring this weekend, many people will be thinking about sprucing up their garden. And after months of rain and damp weather you may notice unsightly algae, moss, and ...

[Hales] has been on a mission for a while to make his own diodes and put them to use and now he’s succeeded with diodes made of sodium bicarbonate and water, aluminum tape and soldered copper.

The simple recipe involves boiling sugar and syrup in water until it caramelises into a light amber colour. Then, you add a ...