Studies increasingly suggest that schools can safely reopen if the right precautions are followed. The NYT published an animation showing how virus particles can move around a classroom if one student ...

A Tesla driver showed how folks can shut off air flow for front passengers, but some say that it doesn’t work on all of the ...

Here is an introduction to the low cost anemometer (wind sensor) from Modern Device (http://moderndevice.com) . This small sensor suitable for electronic experiments ...