When you take a picture with flash, the intense light quickly travels through your eye to the back, reaching a layer called the retina. This...
White instinctively evokes an impression of purity, hygiene, and visual tranquility. When a room has a white ceiling, it immediately feels clean and well-maintained. It's...
In a classic battery, there are two essential parts: the positive terminal (called the cathode) and the negative terminal (called the anode). These terminals, usually...
Some materials are naturally sensitive to magnets, but not all of them, far from it! This attraction mainly depends on their ability to become small...
Matter is made up of atoms, which contain positive particles (protons) and negative particles (electrons). Electrons move easily from one material to another. When two...
Gravity does not only act on objects; it also directly influences time itself. The stronger a gravitational field, the more slowly time passes. On Earth, this phenomenon...
When an airplane flies, its wings separate the air into two flows: one above and one below. The particular shape of the wing causes the...
Once picked, the tomato continues to ripen by mobilizing several processes that gradually change its color, texture, and taste. Most importantly, it increases its production...
Rubber is a polymer, a kind of long chain made up of thousands of smaller units called monomers. In the specific case of natural rubber, these units...
Metal conducts heat very well because inside, the atoms and their free electrons move easily. When you heat a metal spoon, for example, the heat...