When cream is whipped, the agitation generates mechanical forces that mix the molecules of fat and water. These forces lead to the incorporation of air...
When ice cubes are added to a room temperature drink, they will absorb heat from the drink in order to reach their own melting temperature...
Glass resists scratches thanks to its chemical composition. The main ingredients: silica (sand), sodium oxide (soda), and calcium oxide (lime). More resistant glasses, like those...
Flint is a siliceous rock primarily composed of quartz. It is one of the forms of silica (SiO2), and it is created by the fossilization...
The thermochromic effect occurs when certain materials change color in response to a temperature variation. It's like the magic of cups that change color when...
When a crystal changes color due to light, it is often because of the way the atoms inside absorb and emit that light. The atoms...