Nuclear fusion research using "boron powder" is safer and more efficient

Nuclear fusion research using "boron powder" is safer and more efficient

Tokamak (tokamaks device) is a ring-shaped atomic fusion device. Still, this device has a significant problem: to ensure that the plasma used for nuclear fusion reaction is not affected by impurities, so as not to reduce the reaction efficie...
<font color='#FF0000'>The Introduction of Roller Bearings</font>

The Introduction of Roller Bearings

Roller Bearings The roller bearing is a kind of rolling bearing, which is widely used in modern machinery. It relies on rolling contact between the main components to support the rotating parts. Roller bearings are now mostly standardized....
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