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Simple harmonic motion can be considered to be the one-dimensional projection of uniform circular motion.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
This animation presents animals commonly kept as livestock and the primal cuts of their meat.
This animation demonstrates how electric steam irons work.
Competing with each other in the 19th and 20th centuries, the world´s most powerful nations made great efforts to develop effective firearms.
This animation demonstrates the use of modern technology in agriculture.
The most important types of local winds are the sea-land breeze, the mountain-valley breeze as well as the downslope winds.
The tower situated in the capital city of the Kazakh Republic symbolises the tree of life holding a golden egg.
The wearer of the armour found at the archaeological dig of the Issyk Kurgan in Kazakhstan was named the 'Golden man'.
A medieval glider constructed by Abbas Ibn Firnas.
The ingenius water pump designed by Al-Jazari is a great example of the creativity of Medieval Arab engineers.
The medieval Arab inventor, Hassan Al Rammah designed the world's first operating torpedo.
Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.
Alkanes are saturated hydrocarbons which can be organised into a homologous series.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.
Change of light conditions in different seasons. Calculating height using shadows.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.
An orthopaedic disease of the foot, in which the longitudinal arch of the foot, formed by the tarsal bones, collapses.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.
By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.