Hackaday reports
Digging though a carpet or dirty shop floor [for a dropped part] usually results in frustration.
[...]The idea here is to suck up and contain the part without having it making [its] way into the vacuum. To do this there would have to be an intermediate chamber. For this, [Frank] used a multi-pack CD container. This was a great choice because it is clear, allowing him to see what enters the container, and it unscrews quickly making it easy to retrieve the tiny part.
The inlet and outlet connectors are made from PVC and are attached to the CD container's base with adhesive. To keep the debris from getting past the CD container, an old kitchen strainer was cut up and the screen material was used to only let air pass.
(Score: 3, Informative) by frojack on Sunday June 14 2015, @04:56AM
Most upright vacuums these days have the exact same thing built into the device. Just empty and rinse the dust bin before you vacuum the floor. Or you know, the standard dust devil hand vac separates the dust well before it gets to the impeller. Just about all vacs work this way.
In short, unless you are too lazy to empty the shop vac before you suck up the floor, you are probably too lazy to build this either.
No, you are mistaken. I've always had this sig.
(Score: 4, Funny) by maxwell demon on Sunday June 14 2015, @04:44PM
You are supposed to only suck up the dirt. The floor should remain where it is.
The Tao of math: The numbers you can count are not the real numbers.