A substance is said to exhibit thermochromism if it changes colour according to temperature. The most popular example of this is mood rings, the hot fashion item of the 70s. These pieces of jewelry...
Do you ever wonder what happens to your garbage after you throw it out? While we hope that the recyclable materials we painstakingly sort out ends up being recycled, the garbage usually piles up in...
A New York Times鈥� study of 500,000 race times, set wearing聽Vaporflys and other shoes, confirmed Nike鈥檚 claims. They found that Vaporflys allowed a runner to run 1% faster than the next-fastest shoe...
Given that I鈥檓 not someone who is overly fond of new gadgets, the arrival of the new聽Apple Watch 3聽didn鈥檛 really make that much of an impression on me. But a new feature of this latest Apple Watch...
We are living in the future. We have robotic personal assistants, watches that replace credit cards, phones that recognize our faces, and self driving cars are just around the corner. But for all...
All fireworks rely on a combustion process that has three basic requirements: some sort of fuel to burn, a supply of oxygen, and a source of energy to initiate the reaction between the fuel and the...
The thick liquid used to be called "oil of vitriol," since it was originally made by the distillation of "green vitriol," or iron sulfate as we know it today.聽 It was so corrosive and nasty that...
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