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This animation demonstrates the type of engine most commonly used in cars.
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
A demonstration of nearby planets, stars and galaxies.
Evaporating surface water forms clouds of various shapes from which water falls back to...
This animation explains transparency and opacity, the principle of radiography, and the...
This animation introduces the studies of astronomers and physicists whose works...
The Rutherford Experiment proved the existence of positively charged atomic nuclei. The...
One of the most modern means of transportation is the Maglev, capable of traveling at...
This animation demonstrates the structure of nitrogen molecules, with one sigma and two...
A phase transition is the transformation of a substance from one state of matter to another.
This animation shows the electron configuration of the calcium atom.
The three important laws describing planetary motion were formulated by Johannes Kepler.
Lunar eclipses occur when the Moon passes through the shadow cone of Earth
The steam engine, perfected by the Scottish engineer James Watt, revolutionized technology.
Energy released during nuclear fission can be used for civilian or military purposes.
Major phases in the history of theories and views about the structure of the atom.
In benzene there are sigma bonds and delocalized pi bonds between carbon atoms.
Bats use ultrasound to navigate and hunt for prey.
Mechanical bell that functions by means of an electromagnet.
Matter is made up by quarks and leptons, while interactions are carried by bosons.