An airplane flies mainly thanks to the phenomenon called lift. This force occurs because of the specific shape of its wings, curved on top and...
Yeast is primarily a small, living fungus. When it receives warm water and something to eat (flour, sugars), it comes into action. It consumes these...
First, the choice of red to indicate stop comes from the railway domain, long before the existence of cars. In the era of steam railways, a clear...
When observing a hot object from a distance, the air around it becomes a kind of turbulent lens. Why? Because hot air and cold air...
Light, basically, is an electromagnetic wave, so energy that moves by vibrating. When it hits a material, its photons will tickle the electrons present in...
Being left-handed is partly due to our genes. No specific "left-handed gene" has been identified yet, but scientists have pinpointed a set of genes that...
The geographic North is simply where all our meridians meet: right at the top of the Earth, on the axis of rotation of our planet. The magnetic...
Honey is mainly made up of water and a lot of sugars. In general, it consists of about 80% various sugars and around 20% water. Among these...
Plants use light during photosynthesis to convert light energy into usable chemical energy. Leaves primarily capture light through their green pigment, chlorophyll. When light rays...
To put it simply, the more thrust or power you have in an engine, the faster your airplane will go. Propeller planes perform well at...