Lift is the aerodynamic force that keeps an aircraft in the air. It is generated by the pressure difference between the intrados (lower surface of...
Yeast is a unicellular microorganism that has been used for millennia to leaven bread dough. When rehydrated and fed with sugars present in the flour, yeast starts...
Traffic lights use a visual signaling system to regulate road traffic. These systems control the flow of vehicles in an orderly and safe manner, thus...
Atmospheric disturbance can play an important role in the flickering of hot objects observed from a distance. When light from these objects passes through different...
When incident light comes into contact with a material, it interacts with the electrons present in the material. The polarization of electrons is a phenomenon...
Scientific research has shown that handedness, that is being right-handed or left-handed, is partly influenced by genetic factors. Studies conducted on twins have shown a...
The magnetic North Pole and the geographic North Pole are not located in the same place on our planet. The geographic North Pole is the...
Honey is sweet due to its particular chemical composition which contains a large amount of sugars, mainly glucose and fructose. These two simple sugars are...
Photosynthetic pigments are compounds found in plants and other photosynthetic organisms that capture the light energy needed for photosynthesis. The main photosynthetic pigments in plants...
The speed performance of an aircraft largely depends on the power of its engines. The power of an aircraft's engines is essential to provide the...