9I制作厂免费

Subscribe to the OSS Weekly Newsletter!

What makes a stink bomb stink?

20 Mar 2017

The classic stench of rotten eggs produced by a stink bomb聽is produced when the ammonium sulphide in the stink bomb breaks down to hydrogen sulphide and ammonia. Commercially, this ammonium...

What are Urinal Cakes?

20 Mar 2017

They may be a mystery to the ladies, but they鈥檙e very familiar to gentlemen. They鈥檙e called 鈥渦rinal cakes鈥 and are commonly seen at the bottom of urinals. Their purpose?

Chemistry lesson for The Food Babe鈥 and everyone else #21: There is no such thing as "chemical free!"

17 Mar 2017

If you buy a chemical-free product, you鈥檙e not getting a good deal. You鈥檙e buying nothing. A vacuum. What鈥檚 a vacuum? A space empty of all matter. And what is matter? Anything that has mass and...

Why do we kiss?

22 Feb 2017

What makes us exchange saliva, sebum, bits of food and millions of bacteria with each other?聽In other words, why do we kiss?聽This is not an innate activity.聽South Pacific islanders, for example,...

Lightbulbs Discolour With Age

21 Feb 2017

Have you ever wondered why tungsten light bulbs develop a black deposit as they age?聽This deposit is metallic tungsten, the same stuff that the filament is made of.聽A lightbulb produces heat and...

Lipstick Ingredients

20 Feb 2017

Lipsticks, (the waxy kind that come聽in the traditional tube), contain a variety of natural waxes, such as beeswax, carnauba wax, ozokerite, ceresin, or microcrystalline wax, which is聽derived from...

Why do onions make you cry when you cut them? And why are they sweet when you fry them?

20 Feb 2017

Onion chemistry is extremely fascinating and extremely complex! We鈥檝e been intrigued by this vegetable ever since our prehistoric ancestors gathered and cooked wild onions. By the time of the First...

Chemistry lesson for The Food Babe鈥 and everyone else #17: The Carnation Tragedy of the '30s

17 Feb 2017

Back in the 1930s a flower merchant with a greenhouse full of carnations got worried when the weather forecast called for extremely cold temperatures. So he placed a kerosene burner in the...

Chemistry lesson for The Food Babe鈥 and everyone else #11: Randomized, controlled, and double-blind studies

15 Feb 2017

The gold standard in science is the randomized, controlled, double-blind trial. If you want to know whether Garcinia cambogia causes weight loss, or whether glucosamine helps with arthritic pain,...

Pages

Back to top