Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

nov 6, 400 BC - Archytas

Description:

observes pitch relating to movement of vibrating air

Added to timeline:

History of Ultrasound

16 Mar 2024

0

0

160

Date:

nov 6, 400 BC

Now

~ 2428 years ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL