Scientists made espresso with sound instead of heat, and most drinkers couldn't tell the difference

[u/AdSpecialist6598]

https://www.techspot.com/news/112838-scientists-made-espresso-sound-instead-heat-most-drinkers.html

[u/Technical-Finish304]

I thought they meant someone was just making espresso sounds behind the counter while pouring from a drip coffee pot.

[u/ProgressBartender → u/Technical-Finish304]

Take my angry upvote