Water is simply composed of pure water molecules (H₂O), while soda is a much more complex liquid: it mainly contains water, but also sugars, carbon...
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...
Ballpoint pen ink is a mixture mainly composed of dyes or pigments, mixed with an oily or viscous solvent. This viscosity, in other words the...
The cut of the diamond is truly THE key criterion that determines how the stone will sparkle. If it is well cut, light enters the...
During a lucid dream, the brain exhibits a particular activity, notably in the prefrontal cortex, an area involved in decision-making, self-criticism, and self-awareness. Normally, during...
The Moon rotates on its axis at exactly the same rate that it orbits the Earth. This is called synchronous rotation. Basically, it takes about...
