博文

目前显示的是 二月, 2022的博文

The History of 3D Printing

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  In the early 1980s, S. Scott Crump submitted a patent for Fused Deposition Modeling (FDM), a new process for manufacturing objects by adding layers of thermoplastic material. After his patent was approved, he and his wife started a company called Stratasys. This new industry grew rapidly, and fought for contracts in industrial prototyping with mass-market manufacturers. In 1987, three companies released their first commercial FDM printers and three more followed soon after. The first patents related to 3D printing were issued in 1954 by Raymond F. Jones. He described it as a "molecular spray." In 1953, Johannes F Gottwald patented a machine known as the Liquid Metal Recorder. This machine used a liquid metal to form a reusable surface for fabrication. The resulting object can then be salvaged and printed again. The Liquid Metal Recorder appears to be the first patent describing 3D printing. Stereolithography was introduced in 1981 by Hideo Kodama, who developed a techniq...

What to Look For in Wireless Sport Earbuds

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Wireless sport earbuds are becoming increasingly popular these days, and we're here to tell you what you should look for in a pair. If you're looking for headphones that provide hands-free convenience and superior stereo sound, then consider purchasing an Aluratek Bluetooth pair. The ABH03F model features advanced acoustic technology, producing deep, rich sound with enhanced bass. These headphones also help reduce background noise and stream audio directly from your phone. If you need to call a friend, the earbuds' integrated microphone helps you switch between calls. Designed for running and other active pursuits, the Deco Gear Magnetic Wireless Sport Earbuds are compatible with most smartphones. The magnetic wireless earbuds feature a water-tight charging case and offer a strong signal over up to 15 meters. The buds also have an IPX4 water resistance rating, which makes them ideal for active individuals. If you need a pair of wireless sport earbuds that is waterproof, y...