Heatwaves often create imbalances in the electrical grid. When electricity demand surges due to intensive use of air conditioning, the grid is put under significant...
That somewhat oppressive sensation of heaviness before a storm mainly comes from the hot, humid, and still air surrounding us. In fact, our body regulates...
Heat spontaneously flows from a hot medium to a colder one: this is the basic rule of heat transfer. In your hot soup, the fast...
When you observe a reflection on the water, what you see is the light bouncing off the surface. The principle is simple: each ray of...
A new book is a complex assembly of organic and chemical materials. The paper used mainly comes from cellulose fibers derived from wood, to which...
Soap is mainly composed of surfactant molecules. These are special molecules with a hydrophilic head (which loves water) and a hydrophobic tail (which repels water...
Ketchup is what is called a non-Newtonian fluid, which simply means it doesn't flow like water or oil. Specifically, its consistency depends on the force...
Beneath the oceans, the Earth's crust is not fixed but divided into immense pieces called tectonic plates. These plates move slowly, sometimes pulling apart and...
Limestone simply comes from the minerals naturally present in the soil, mainly composed of calcium carbonate and sometimes magnesium carbonate. When rainwater passes through the...
Wool is made up of fibers composed mostly of keratin, the same protein found in our hair and nails. These fibers are covered with tiny...
