Crookes Cathode Ray Tube is composed of a glass shell, a baffle plate, a bracket, a cathode, an anode and the base;Bezel diameter is not less than 80 mm and the length is not less than 235mm.Baffle plate is made by a thickness of not less than 0.8 mm, the length of not less than 45mm cross type aluminum plate, flexible and flip to upright on the bracket. Tube vacuum range of 0.13 PA (1 x 10-3 torr) ~ 0.07 PA (5 x 10-4 torr), the cathode ray tube electrode is made of pure aluminum with no less than 99.7%.
Read MoreSend InquiryOnce cathode rays contact with one of the turbine's veins, the rays heat precision mica surface and and force it along the track. Cathode Ray Tube functions just as a solar radiometer but with electricity...just as out Classic radiometer Tube.
Read MoreSend InquiryUSB Small Plasma Lamp—11 x 8 x 15 cm /4.3x3x6 inch (Bottom Dia x Ball Dia x Height),touch sensitive and high quality. Easy to Use—To operate this device is very easy, by inserting the power cable to the base and the USB in the power adapter, computer etc.All you need to do in order to start using it is to plug the usb.
Read MoreSend InquiryThis Plasma Ball Light may be filled with plasma filaments that will dance inside of the sphere, but it is also filled with scientific knowledge and exciting intrigue for you and your children. Turn on this device and experience static electricity and let the fun begin as you spend hours just watching these colorful rays flicker and bounce around. Dimensions: 6.9" x 6.9" x 12.8" in., Globe approx. 6 inches diameter *Disclaimer: Our plasma ball features a sound activated function but will only work with loud sounds or speakers. Sound sensor is underneath the base of this lamp.
Read MoreSend InquiryLinear Air Track Kit is also used to study collisions, both elastic and inelastic. Since there is very little energy lost through friction it is easy to demonstrate how momentum is conserved before and after a collision. The track can be used to calculate the force of gravity when placed at an angle.
Read MoreSend InquiryLinear Air Track is a teaching experimental instrument of physical mechanics, used with digital timer and small air source. It can be used for classroom demonstration experiment and student independent experiment.
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