Electrostatic actuators are simple and lightweight devices that emulate human muscles. However, their usage has primarily been restricted to moving small devices since they need high voltages to ...

Quad returns with the ESL 2812X and 2912X next-gen electrostatic loudspeakers made in the UK. High-end sound, bold design, and prices that spark debate. When you bring up electrostatic loudspeakers in ...

Electrostatic precipitators (ESPs) offer a tried-and-true technology for particulate matter control. However, existing ESPs can be challenged to meet the latest regulatory requirements. Retrofitting ...

A plotter that uses an electrostatic method of printing. Liquid toner models use a positively charged toner that is attracted to paper which is negatively charged by passing by a line of electrodes ...

A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why engineers at the University of Colorado Boulder are building what sounds ...

An electrostatic loudspeaker uses a thin plastic diaphragm residing between two perforated metal sheets (the grids or stator plates). The audio signal is applied to the grids out of phase. While one ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...