[ Ссылка ]
A powerful green laser helps visualize the aerosol plumes from a toilet while it’s being flushed.
Credit: John Crimaldi
![](https://i.ytimg.com/vi/nOVTU8lw4bw/maxresdefault.jpg)
[ Ссылка ]
A powerful green laser helps visualize the aerosol plumes from a toilet while it’s being flushed.
Credit: John Crimaldi