I present the concept of a laser pumped with electron beams from carbon nanotubes in the process of field emission of electrons. Today, commercial lasers are mainly pumped optically, for example, by coupling to laser diodes or by applying an electrical voltage, such as in laser diodes.
A monitoring system to allow early detection of damage to high tension power lines. Using Acoustical Emission (AE) techniques on high tension power lines for early detection of internal damage or fraying before the cable breaks.
Cable "Galloping" (low frequency, large amplitude, vibration caused by high winds),
We can do somethings to mitigate and contain the spread of infectious diseases. The first thing is always to understand what they'ree, how they're transmitted and how they affect ourselves. A clear example is the SARS-COV2 coronavirus.
To avoid this issue,
The current enclosure of the prototype antenna is somewhat brittle. Replacing the "tube" with Ultra High Molecular Weight Polyethylene would make for a much stronger and more reliable enclosure. According to US Plastics of Lima, Ohio, USA; as long as you use virgin UHMW PE,
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