New ultrasonic speaker prototype lets people hear you whisper from 30 meters away

Jason Hope


New ultrasonic speaker prototype lets people hear you whisper from 30 meters away
http://ift.tt/2qey2mK

Submitted May 13, 2017 at 10:34AM by Portis403
via reddit http://ift.tt/2qDzkem

View original post

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s