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Cymatics (from Ancient Greek: κῦμα, romanized : kŷma, lit. 'wave') is a subset of modal vibrational phenomena. The term was coined by Swiss physician Hans Jenny (1904–1972). Typically the surface of a plate, diaphragm, or membrane is vibrated, and regions of maximum and minimum displacement are made visible in a thin coating of ...
A military-type mobile computer housed in a reinforced case. A portable computer with three LCD screens. A portable computer with one 20.1-inch LCD screen, EATX motherboard. The MIT Suitcase Computer, MIT Digital Systems Laboratory, 1975. A portable computer is a computer designed to be easily moved [1] from one place to another, as opposed to ...
EcoFlow portable power stations can go from zero to an 80% charge in less than an hour. [ 7][ 9] They provide power from 500 watts [ 10] to 3000 watts. [ 11] Their main products include the River series of lightweight portable batteries designed to provide power for outdoors or in emergencies, [ 7][ 9] but also can be used indoors. [ 12][ 13][ 14]
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Life and career. Jenny was born in Basel, Switzerland. After completing a doctorate he taught science at the Rudolph Steiner School in Zürich for four years before beginning medical practice . In 1967, Jenny published the first volume of Cymatics: The Study of Wave Phenomena. The second volume came out in 1972, the year he died.
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The MacBook Airis popular for its thin and light design, and its low price relative to the rest of the Mac lineup. Mac, short for Macintosh(its official name until 1999), is a family of personal computersdesigned and marketed by Apple. The name Macintosh is a reference to a type of apple called McIntosh. The product lineup includes the MacBook ...