Study of LIGHT began at JOG.275.
How have the Homo’s used light ????
Continued from JOG.279.
A&Q ][ Q&A:
1. In the last JOG we made it through oil lamps !!!!
2. We will not attempt to JOG every lamp fuel or every lamp type !!!!
3. So we move on with gas light !!!!
4. Wood gas lamp was patented in 1799 !!!!
5. Coal gas lamp was patented in 1804 !!!!
6. Indians of North America were lighting seeping natural gas in 1626 !!!!
7. In 1821 the first successful natural gas well was dug in New York State !!!!
8. Distilled gas from coal gave a brighter light than natural gas !!!!
9. Natural has did not start to come into use until late 1800s !!!!
10. Coal has was used in Europe until the 1970s !!!!
11. The first electric light bulb was used on 31-Dec-1879 !!!!
12. Electric light became common in the early 1900s !!!!
13. The electron particle was uncovered in 1897 !!!!
14. And in 1905 Albert the Einstein brought us the photon particle !!!!
15. Now we must digress, for common man often makes use of a thing before science understands the thing !!!!
16. In the next JOG we will look at sciences understanding of light !!!!