Facebook laser device universal Internet access plan to make new progress
The Connectivity Lab, a division of Facebook, plans to develop fast, cheap Internet access for people in remote and underdeveloped areas by developing lasers that introduce new breakthroughs. Internet Lab has developed a new laser communication detection device. By means of OFDM (Orthogonal Frequency Division Multiplexing), this light bulb-shaped detection device can be used with existing wireless network devices to achieve 2Gbps network Transmission rate. Tobias Tiecke of Interconnect Lab said, "There are still many people who lack access to Internet because of the lack of wireless infrastructure and are concentrated in remote areas of the world. We are developing a wireless communication technology that will bring hope to these areas, Can help them connect with each other. "The research paper has been published in the journal Optical Journal. The Milling Machine was originally a horizontal milling machine created by American E. Whitney in 1818.In order to mill the spiral groove of the twist drill, American J.R. Brown created the first universal milling machine in 1862, which is the prototype of the milling machine for the lifting platform.The portal milling machine appeared around 1884.Semi-automatic milling machines appeared in the 1920s, and the workbench used the stops to perform automatic conversion of [feed-fast" or [fast-feed".After 1950, milling machines developed rapidly in control systems, and the application of digital control greatly improved the automation of milling machines.Especially after the 1970s, the digital control system and automatic tool change system of the microprocessor were applied on the milling machine, which expanded the processing range of the milling machine and improved the machining accuracy and efficiency.As the mechanization process intensified, CNC programming began to be widely used in machine tool operations, which greatly released the labor force.CNC programming milling machines will gradually replace manual operations.The requirements for employees will also be higher and higher, and of course the efficiency will be higher and higher. Tool Milling,Tool Milling Machine,Milling Machine,Milling Machine Price Jiangsu Hoston Machine Tools Co., Ltd. , https://www.haostonmachinetools.com