4 ms·
Those things are still in use, believe it or not. There's a big box retailer where my parents live that has a tube to every register. When the registers have
by gozur88 10y ago
Those things are still in use, believe it or not. There's a big box retailer where my parents live that has a tube to every register. When the registers have too much money the checker puts the excess into a cylinder that whooshes to the central office.
- R_haterade 10y agoI think they were in use in hospitals for a while as well for sending notes around, pre-email.
- nickzoic 10y agoAlso pathology samples, although I believe there's now some interest in robots doing similar things.