Engineering
Cantilever fans move air through a flapping action, similar to hand-fans. Commercially available, they are combined with a piezoelectric bender, which provides their motive force. These fans are low noise, low power and have ...
Engineering
In recent years, teams of engineers worldwide have been trying to develop acoustic devices based on piezoelectrics (i.e., materials that can produce electricity when mechanical stress is applied to them) integrated with conventional ...
Engineering
With more people getting on track for sustainable high-speed rail, reducing noise pollution and sophisticated traffic management will boost adoption.
Aug 26, 2022
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Engineering
Most common devices are driven and controlled by electric power. Signals and power can be sent by transferring electricity through an electric circuit made up of conductors that conduct electrical current. However, interactions ...
Nov 13, 2019
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