Scientists are now confident that COVID-19 is primarily an Airborne Aerosol Threat responsible for super-spreading events. They used a particle flow simulation of a restaurant that had a super-spread event in January 2020. The paper is titled: Aerosol transmission of SARS-CoV-2 Many examples of Aerosol super-spread events like the Restaurant…

We all know that N95 Masks are reserved for front line healthcare workers and ordinary people can’t buy them. The next best thing is KN95 masks that have almost identical performance and these can be purchased by the public. …

Great Low Light Performance — I got the Fuji X-T3 camera last Thanksgiving and using its metal kit lens 18–55 F/2.8 to F/4 has been a blast, but I’m missing a fast lens especially at the longer focal lengths. …

TP-Link AV1000 Powerline Network iPerf Benchmarks I recently bought the TP-Link AV1000 Powerline Network kit for $45 on Amazon for my mother’s house. It comes with two adapters that allow you to network bridge two locations in a home with a relatively fast and reliable Ethernet link. This is a…

Keith Parsons at WLANPros posted this article on Wi-Fi Client Device Sensitivity i.e., how well an 802.11 Wi-Fi radio on a typical device like an iPhone can pick up a Wi-Fi signal. Keith asserts that various client devices have very volatile sensitivities and will see a Wi-Fi Access Point fluctuate…

UPDATE 4/7/2017 — I finally got the SDI camera board after a month shipping. Unfortunately there is no ePacket shipping option. But the wait was worth it because it is as good as I hoped. The image quality looks as good as a super high end Digital Microscope costing thousands…

By George Ou, 2/26/2017 The fouetté is technique that a ballerina must master if they wish to perform solo roles. It is technically challenging but it can be mastered by dancers who are not good turners if the correct technique is applied. This article will breakdown that technique to help…