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Photoblog http://hirophysics.com/PHP/b2evolution/blog4.php en-US http://blogs.law.harvard.edu/tech/rss 60 Traffic lights, blue, yellow and red... http://hirophysics.com/PHP/b2evolution/blog4.php/traffic-lights-blue-yellow-and Sun, 18 Dec 2016 01:14:00 +0000 Hiro Science physics 86@http://hirophysics.com/PHP/b2evolution/
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<div><div><a href="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/p1010204.jpg?mtime=1482044983" rel="lightbox[p86]" id="link_102"><img alt="Traffic lights, blue, yellow and red..." src="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/.evocache/p1010204.jpg/fit-320x320.jpg?mtime=1482044983" width="320" height="240" class="loadimg" /></a></div><div><a href="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/p1010202.jpg?mtime=1482044984" rel="lightbox[p86]" id="link_103"><img alt="Traffic lights, blue, yellow and red..." src="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/.evocache/p1010202.jpg/fit-320x320.jpg?mtime=1482044984" width="320" height="240" class="loadimg" /></a></div><div><a href="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/p1010198.jpg?mtime=1482044984" rel="lightbox[p86]" id="link_104"><img alt="Traffic lights, blue, yellow and red..." src="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/.evocache/p1010198.jpg/fit-320x320.jpg?mtime=1482044984" width="320" height="240" class="loadimg" /></a></div><div><a href="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/p1010206.jpg?mtime=1482044985" rel="lightbox[p86]" id="link_105"><img alt="Traffic lights, blue, yellow and red..." src="http://hirophysics.com/PHP/b2evolution/media/blogs/photos/quick-uploads/p86/.evocache/p1010206.jpg/fit-320x320.jpg?mtime=1482044985" width="320" height="240" class="loadimg" /></a></div></div><p>Blue has a shorter wavelength. Red has a longer wavelength. That's why we can see the red light better from a distant place. Yellow has the between.</p> <p><a href="https://www.facebook.com/HirosPhysics" target="_blank">Hiro's Physics</a></p><a href="http://hirophysics.com/PHP/b2evolution/blog4.php/traffic-lights-blue-yellow-and#more86">Full story &raquo;</a><div class="item_footer"><p><small><a href="http://hirophysics.com/PHP/b2evolution/blog4.php/traffic-lights-blue-yellow-and">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>
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Traffic lights, blue, yellow and red...
Traffic lights, blue, yellow and red...
Traffic lights, blue, yellow and red...
Traffic lights, blue, yellow and red...

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