A recent study by researchers from Spain, Finland, and Canada uncovered the way in which ultrasonic waves transport ...

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space, they split ...

The image below shows the Arduino circuit diagram for building a smart bin. As you can see it is very simple, it just has an ultrasonic sensor and a servo motor connected to the Arduino UNO, and the ...

EARLIER: The devastating Eaton fire is now taking aim at Mt. Wilson, threatening the antenna farm and broadcasting transmitters located up there, as well as the historic Mt. Wilson observatory.

Other local TV and radio stations have transmitters in other locations, including many within a relatively short distance of the core collection of towers. As of the evening of Jan. 9, 2025 ...

Live Video: Los Angeles TV broadcasters cover Southern California wildfires The site is the location of television transmitters used by nearly all radio and television stations in the Los Angeles area ...

Not so, if you use a pair of specialised ultrasonic transducer arrays to move the air instead! (Video, embedded below) Three banks of thrusters provide a 180 degree steerable net force Details are ...

Developed by Charles Page in 1838, the interrupter used rocking or rotational motion to dip a wire into a mercury bath periodically breaking a circuit to produce a simple oscillation. As we ...