4 ms·
I've not yet understood why projects like the Twibright Ronja haven't become a thing: http://ronja.twibright.com http://ronja.twibright.com With a few cheap p
by mmjaa 9y ago
I've not yet understood why projects like the Twibright Ronja haven't become a thing:
http://ronja.twibright.com http://ronja.twibright.com
With a few cheap parts, we can construct localised telecommunication networks that scale... is it just that radio is simply more efficient and less fuss, than .. lasers?
- snerbles 9y agoExperiments in free-space optics go even further back. In 1963, a group of amateur radio operators established a laser comms link at 190km: http://www.modulatedlight.org/eos/operation_red_line_gallery.html http://www.modulatedlight.org/eos/operation_red_line_gallery...
- mmjaa 9y agoThis was a classic read, thanks for that! "In truth, they scored a scientific record just for the fun of it!" http://www.modulatedlight.org/eos/1963_1c.gif http://www.modulatedlight.org/eos/1963_1c.gif
- elihu 9y agoI think free-space optics tends not to work very well over long-ish distances in bad weather, so it's used mostly for short-distance links (like between two buildings).