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Supercharging by Towing

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https://youtu.be/nILM_DEdBqM

Israel and Britain offer lessons

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https://www.scmp.com/week-asia/health-environment/article/3139223/delta-covid-19-variant-keeps-hong-kong-australia-and As Delta Covid-19 variant keeps Hong Kong, Australia and New Zealand on edge, could Israel and Britain offer lessons? The rapid spread of a more contagious virus variant is a stark reminder to zero-Covid places that border and movement restrictions are no substitute for mass immunisation Britain and Israel, which are leading global vaccination rates, have seen outbreaks but fewer deaths and hospitalisations John Power + FOLLOW Published: 9:00am, 30 Jun, 2021 Updated: 10:27pm, 30 Jun, 2021 Why you can trust SCMP knowledge Coronavirus Vaccine Q: Should parents be worried about adverse side effects for children from the BioNTech vaccine? What you need to know about Hong Kong’s quarantine rules Why is India facing a vaccine crunch and can it...

Install OpenFOAM in Windows 10 and Mac OSX

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  https://www.openfoam.com/download/openfoam-installation-on-windows-10   Be careful. There is another version from openform.org at  https://openfoam.org/version/8/   I have installed the openform.com version, also for Mac OSX. https://www.openfoam.com/download/openfoam-installation-on-mac-using-docker The link below shows the discssions on their differences. https://www.cfd-online.com/Forums/openfoam/197150-openfoam-com-versus-openfoam-org-version-use.html One problem with Simflow iis that the free version restricts the mesh to just 200,000 so it cannot even run a simulation on a cube using the mesh setup used in the car tutorial, in a non-symmetrical way. Need to use symmetry to reduce the number of meshes. Unfortunately, the symmetry halves the Coefficient of Drag values. You can use the instructions in the above link but it does not tell you how to install Ubuntu in Windows 10. You need to enable linux in Windows in the Windows Features setting first, before inst...