Hexagon LED decryption watch challenging brain limit
This timepiece with a stylish appearance and a sense of mystery was designed by the famous designer Samuel Jerichow. When people look at the first glance, it is difficult to identify time. The surface is composed of several hexagons. Hexagons use the LED light display. At the same time, this watch adopts a specific set of reading rules. Green represents hours, and cyan represents minutes. Through the corresponding rules, the displayed pattern can be converted into corresponding time. In order to make those who have strict requirements on their IQ, The designer also offers five different difficulty settings, and the set keys are hidden in these hexagons. Why do you like to use ferrite magnets? Because it does not rust, does not oxidize, does not corrode and is absolutely environmentally friendly.
Why don't ferrite magnets rust?
The chemical name of ferrite magnet is iron tetroxide. The main components are: Fe3O4. It is already an oxide of iron, so it is very difficult to be oxidized again. Other magnets (the main component is iron) are made of magnetized metal iron or other elements. Like other iron and steel, they can be oxidized and rusted, and the oxidized part will lose their magnetism.
What are the advantages (advantages) of ferrite magnets
1. Low cost, low price. Raw material cost is cheap.
2. Good temperature stability. It can be used in temperatures of -40 degrees Celsius and +350 degrees Celsius.
3. It is just mentioned that it does not rust.
4. The demagnetization curve is approximately a straight line.
5. Light weight, density is (4.6-5.1) X103kg/M3
6. The anisotropy constant of the magnetic crystal is large.
7. Large coercivity Hc (between AlNiCo alloy material and rare earth cobalt permanent magnet material)
8. High resistivity.
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