A new device offers an alternative, communicating with tablets via high-frequency sound and allowing for pressure-sensitive control on touch screens.The JaJa Stylus—designed and built by ...

The plant features a 2612V Vari-Vibe high frequency screen. The two-deck, 1.8 x 3.7 m (6 x 12 ft) screen uses a rotary tensioning system that allows for some of quick screen media changes, allowing ...

Astec PTSC2818VM Portable High Frequency Screen Plant. Astec’s PTSC plant is equipped with an 8-ft. x 18-ft. top deck and an 8-ft. x 12-ft. bottom deck.

After the success of Niagara, Tesla resumed his favorite work—experimentation. Back at his laboratory on Grand Street in New York City, Tesla engrossed himself in the exploration of high ...