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Jerome "Jerry" Hal Lemelson (July 18, 1923 – October 1, 1997) was an American engineer, inventor, and patent holder. Several of his inventions relate to warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive. [1]
Earlier versions of depressors were made from balsa, pine, or redwood woods. Tongue depressors made from wood and metal exist from the American Civil War. [2]The most common modern tongue depressors are flat, thin, wooden blades, smoothed and rounded at both ends, [3] but, historically, tongue depressors have been made of a variety of materials. [4]
The switched reluctance motor (SRM) is a type of reluctance motor. Unlike brushed DC motors , power is delivered to windings in the stator (case) rather than the rotor . This simplifies mechanical design because power does not have to be delivered to the moving rotor, which eliminates the need for a commutator .
Ahead, we’ve got 50 tongue twisters for you to try on your own, share with loved ones or with English second-language (ESL) speakers in your inner orbit to hone their tongue-tango talents.
A lamellophone (also lamellaphone or linguaphone) is a member of the family of musical instruments that makes its sound by a thin vibrating plate called a lamella or tongue, which is fixed at one end and has the other end free. When the musician depresses the free end of a plate with a finger or fingernail, and then allows the finger to slip ...
Machine Gun Kelly made a bold statement at the 2021 Billboard Music Awards on Sunday by stepping out to the red carpet with his tongue painted black.The "Bloody Valentine" singer, whose real name ...
A transcutaneous electrical nerve stimulation (TENS or TNS) is a device that produces mild electric current to stimulate the nerves for therapeutic purposes.TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation, but the term is often used with a more restrictive intent, namely, to describe the kind of pulses produced by portable ...
The electronic tongue is an instrument that measures and compares tastes.As per the IUPAC technical report, an “electronic tongue” as analytical instrument including an array of non-selective chemical sensors with partial specificity to different solution components and an appropriate pattern recognition instrument, capable to recognize quantitative and qualitative compositions of simple ...