Roller skiing
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Roller skiing is an off-snow equivalent to cross-country skiing. Roller skis have wheels on their ends and are used on a hard surface to emulate cross-country skiing. The skiing techniques used are ve
Roller skis
Roller skiing race—Skating technique.
Roller skiing race—Classic technique.
Marwe achieves flex by using a composite frame like a snow ski with aluminum forks bolted on.
Tungsten carbide
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Tungsten carbide is a carbide containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through
Roller skiing
…weather use including Alpina, Botas, and Fischer. Cross-country ski poles are also used, with the basket replaced by a ferrule, essentially a reinforced carbide steel spike molded into strong plastic. Extra protective clothing is recommended: full-finger gloves, helmet, eyewear, and knee and elbow pads. Many ski…
Tungsten carbide inserts
Cemented carbide drill and end mills
A tricone roller cone assembly from a raiseboring reamer, showing the protruding tungsten carbide buttons inset into the rollers
A re-creation of the experiment involved in the 1945 demon core incident. The sphere of plutonium is surrounded by tungsten carbide blocks acting as neutron reflectors.