EARTH – Why Are Clouds Mostly White? Understanding Their Appearance

Clouds are often a presence on the sky. We all see them from the ground, yet the best view we can get on them is always from above. Observing the clouds from above we can understand well enough that they are clearly the reason why we have different weather condition on the ground, and why... Continue Reading →

What Are Liquid Crystals? Insights into a Unique State of Matter.

Usually, matter is viewed as existing in one of the 4 main state forms — solid, liquid, gas, or plasma—depending on the conditions under which it is studied. In the solid state, substances are very orderly, with their particles (molecules, atoms, or ions) arranged in highly organized ways. Therefore in a solid, the atoms or... Continue Reading →

Understanding Liquid Properties: Viscosity, Surface Tension, and More

A liquid lacks both the strong spatial order of a solid, though it can have the high density of solids (a liquid has volume but doesn't have shape) and the absence of total disorder of a gas that results from the low density of gases i.e., gas molecules are relatively free of each other’s influence... Continue Reading →

The Science of Swimming: Floatation and Cold Water Challenges

When we talk about how humans behave in relation with water, there are 2 categories of people: Those who love water, therefore they love to swim Those who are afraid of water, therefore in most cases they don’t know how to swim. Myself I am a swimmer since I was 9 year old. And by... Continue Reading →

For How Long Can We Survive Without Water?

Although water molecules are simple have a simple structure, technically such a molecule is made of 2 atoms of Hydrogen and 1 of Oxygen, the outcome being a substance noted as H2O, the physical and chemical properties of water are extraordinarily complicated. It’s not a secret for anyone that without water you won’t live long.... Continue Reading →

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