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The bead or ball itself may additionally be made from coloured glass, acrylic or ceramic, or a gemstone. This is a popular piece of body jewelry because it conveniently allows the wearer to remove the ring by simply removing the captive bead; the bead is held firmly in place so that it will not easily fall out. Additionally, because of their ...
Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, go so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...
Furthermore, because the beads of the chain can drag laterally within the jar across other stationary links, the moving beads of the chain can bounce or jump vertically when they strike the immobile links. [12] [17] This effect contributes to the chain's movement, but is not the primary cause.
Beaded solar eclipses occur during an eclipse when the Sun and Moon have nearly identical apparent sizes. During a beaded eclipse, the rim of the Moon displays Baily's beads at many points all around the Moon and the brightness of the Sun remains from around 2000x to 10x greater than a complete total eclipse (ranging from about magnitude 99.8% ...
Pearling. Pearling or genital beading is a form of body modification, the practice of permanently inserting small beads made of various materials beneath the skin of the genitals—of the labia, or of the shaft or foreskin of the penis.
A variation of the incandescent lamp did not use a hot wire filament, but instead used an arc struck on a spherical bead electrode to produce heat. The electrode then became incandescent, with the arc contributing little to the light produced. Such lamps were used for projection or illumination for scientific instruments such as microscopes.