| OTD: 9 July 1856 - Nikola Tesla born (except he is recorded as born on 10th) Posted by Chris from Nailsea at 23:48, 9th July 2026 |     |
Nikola Tesla was born on July 10, 1856, in the village of Smiljan (part of the Austrian Empire at the time, which is located in modern-day Croatia). Because he was born during a severe lightning storm on the night between July 9 and July 10, his family often celebrated his birth on the 10th, which became his officially recorded birth date.
Nikola Tesla (10 July 1856 – 7 January 1943) was a Serbian-American engineer, futurist, and inventor. He is known for his contributions to the design of the modern alternating current (AC) electricity supply system.
For further details, see Wikipedia.
| Re: OTD: 9 July 1856 - Nikola Tesla born (except he is recorded as born on 10th) Posted by Electric train at 06:51, 10th July 2026 | |
With the SI unit for magnetic flux density (or magnetic field strength)named after him, the Tesla (symbol: \(T\). It is defined as one Weber per square metre, the Weber (Wb) is the standard SI unit of magnetic flux.
The 'war of the currents' of the 1880's is a fascinating story
| Re: OTD: 9 July 1856 - Nikola Tesla born (except he is recorded as born on 10th) Posted by Oxonhutch at 07:13, 10th July 2026 | |
... the Weber (Wb) is the standard SI unit of magnetic flux.
.. and also the calorific values of barbeques !
