Even absent any obvious smudges or smears, beer professionals can tell just by looking if a beer has been poured into a dirty glass. The trick is to pay attention to what the bubb ...

Empty the glass after you put the dishes away: An empty glass means dishes are dirty. As long as you remember to pour the glass out, it will work every time.

Volterrex Patented Diffusion Balloon One of the unique elements of the Volterrex 13,000 Lumen Battery-Powered LED Balloon Work Light is its patented inflatable diffusion balloon. Fabricated from a ...

So, how dirty is dirty? Once you know what to look for, it can be hard to ignore when you’re served a beer in a less-than-pristine glass. Keep in mind, though, that clinging bubbles don’t really ...