The devastating defeat of the Hungarians in the battle against the Mongolians was the result of several bad decisions.
Used in the production of beryllium and as a catalyst.
Napoleon Bonaparte´s Grande Armée was considered invincible.
Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.
Ammonia is a colourless gas with a characteristic pungent smell. Its solution in water is called ammonium hydroxide or household ammonia.
A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.
The polymath thought that if a screw-like structure can rotate fast enough, it will 'drill' into the air and fly.
The mechanical wing is one of the masterpieces among Leonardo's sketches related to aviation.
Leonardo's creative legacy also includes several projects related to bridges. This unusual swing bridge allowed for undisturbed water traffic.
Leonardo was not only a master artist, but also an accomplished military engineer.
A white, crystalline compound that breaks down when affected by light.
The sum of the volume of the ´tetrahedrons´ gives an approximation of the volume of the sphere.
The design for the armoured car features the most important military requirements: reliability, portability and great firepower.
Pick the shape that is shown in different views below.
Not all nets consisting of 6 congruent squares are foldable into cubes.
The animation helps to develop space perception and navigation in space using space coordinates.
Edges, diagonals and faces of a cuboid can be identified by its vertices.
Leonardo based the design of the flapping wing on birds' wings and a faulty hypothesis.
A heterocyclic organic compound.
A polymorphic compound, mostly found in the form of quartz.