Knowing if a HVAC system or fan is working efficiently for your customer is important and can be determined by the airflow it produces. Here are several techniques to measure airflow in an HVAC system ...

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

Physicists have used an old technique to make a new kind of material: a fabric that looks like glass. This material is clear enough to see through, incredibly thin, and snatches dust out of the ...