For its entire existence human species always needed and will forever need 2 essential things for survival: Food and Shelter. The first humans were hunter-gatherers, their only source of food was obtained through hunting and fishing. Then humans learned that food can also be produced, so they became farmers. Sometime about 10,000 years ago, the... Continue Reading →
Why Carbon Nanotubes Could Power the Space Elevator Revolution
The huge success of carbon fiber composite in the second half of the 20th century, inspired engineers to imagine its use on the grandest possible scale, hence they started to ask: is this material strong enough to achieve a longstanding dream, that of building an elevator into space? A Space Elevator promises to replace the... 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 →