Talk:1670: Laws of Physics
Revision as of 16:06, 20 April 2016 by 198.41.242.240 (talk)
This was demonstrated nicely by Neil deGrasse Tyson in episode six of the new Cosmos. [1] .42 (talk) 15:18, 20 April 2016 (UTC)
- Another demonstration: [2] ;) --198.41.242.240 16:06, 20 April 2016 (UTC)