Occasionally, the EHS department is asked to approve purchases of ductless, filtered fume hoods for use in research labs. We do not recommend ductless fume hoods. We do not believe ductless fume hoods ...

So after being inspired by the countless DIY fume hoods, like this one, he decided to try his hand at it. A sale on an electric leaf blower inspired a Saturday afternoon of hacking. The leaf ...