Teamosa brews tea using ultrasound
 

We've seen a handful of tea-brewing gadgets over the years, but none have managed to break into the mainstream. The latest to step into the ring is Teamosa, a startup that's planning to launch its first product on September 13th. Teamosa itself is a...

https://www.engadget.com/2017/09/05/...ound-brew-tea/