Google earlier this month released a new virtual reality app, GoogleBlocks, to allow users to easily create 3D objects using OculusRift and HTCViveVR headsets. As a free application, it is already on the OculusStore and Steam platforms. From the use of experience, "Blocks" and Google's popular "TiltBrush" 3D drawing tools are somewhat similar. You can create squares and low polygons in it, and then export or share them to the web.
The biggest feature of the software is that even if you do not have any modeling basis, you can still create very powerful works. Today, the mysterious old driver D.ace will teach you how to use GoogleBlocks.
GoogleBlocks tutorial
LAN WDM - LAN Wavelength Division Multiplex
LWDM is a wavelength division multiplexing Lan-WDM technology based on Ethernet channels. Its channel interval is 200~800GHz, this range is between DWDM (100GHz, 50GHz) and CWDM (about 3THz). LWDM uses 12 wavelengths in the O-band (1260nm~1360nm) range from 1269nm to 1332nm, with a wavelength interval of 4nm (1269.23, 1273.54, 1277.89, 1282.26, 1286.66, 1291.1, 1295.56, 1300.05, 1304.58, 1309.14, 1313.73 , 1318.35nm).
The characteristic of LWDM working wavelength is that it is located near zero dispersion, with small dispersion and good stability. At the same time, LWDM can support 12-wave 25G, the capacity is increased, and the optical fiber can be further saved.
Channel 1: Wavelength 1313.73nm, reuse the DML-1310 wavelength in 100G CWDM applications. Starting from this wavelength, the channel spacing of the wavelengths is about 4.5nm;
Channel 2: Wavelength 1309.14nm, which reuses the DML wavelength in 100G LanWDM applications;
Channel 3: Wavelength 1304.58nm, reuse the DML wavelength in 100G LanWDM application;
Channel 4: Wavelength 1300.05nm, reuse the DML wavelength in 100G LanWDM applications;
Channel 5: Wavelength 1295.56nm, which reuses the DML wavelength in 100G LanWDM applications;
Channel 6: Wavelength 1291.10nm, reuse the DML-1290 wavelength in 100G CWDM applications;
Channel 7: wavelength 1286.66nm, reuse the EML wavelength in 400G LanWDM applications;
Channel 8: wavelength 1282.26nm, reuse the EML wavelength in 400G LanWDM applications;
Channel 9: The wavelength is 1277.89nm, which reuses the EML wavelength in 400G LanWDM applications;
Channel 10: wavelength 1273.54nm, reuse the EML wavelength in 400G LanWDM applications;
Channel 11: The wavelength is 1269.23nm, which reuses the DML-1270 wavelength in 100G CWDM applications.
LWDM Splitter, LAN WDM Splitter, LAN WDM
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