Capillarity

Capillarity – this phenomenon has been known to physicists for hundreds of years, but only nature could make use of this phenomenon. In a way, we talked about, but also to… crystallization of water-soluble substances. Crystallization from solutions with the use of …

Crystallization device

Crystallization device.

However, when we want to get really beautiful crystals at home, and it is made of materials that are difficult to dissolve in water, we can use another way, although also included among the methods of crystallization from solutions. For this purpose …

Strength

High-quality steel has equal strength 1 000 MPa. Meanwhile, already in 1923 years were calculated, that the crystal strength of ordinary table salt should be 5000 MPa, so five times more. By the same calculation, pure iron …

Crystals

Anyone can grow a crystal. Each, who only wants to, and without any special devices, chemicals or laboratory equipment. All you need is willingness and patience. Before that, however, I propose to inspect the crystals. The most beautiful crystals can be found …

X-rays of X-rays

Random discoveries also happen to us, contemporary. W 1895 year completely by accident, by studying completely different physical phenomena, German physicist Wilhelm Roentgen discovered previously unknown radiation he called X-rays (as well as the unknown …

Coral

One of the characteristic and important elements of the folk costume from the vicinity of Krakow were ornaments made of natural coral. It was placed in rings, crosses, earrings and were used to decorate bonnets. The beads strung on a string were hung on …