Interesting, test speed of light with ping - http://physics.stackexchange.com/questions/357/home-experiments-to-derive-the-speed-of-light

History of color photograph - http://writescience.wordpress.com/2012/11/21/in-living-color/

光電效應：愛因斯坦的諾貝爾 - https://phycat.wordpress.com/2016/11/19/photoelectric-effect-einsteins-nobel/

光速：宇宙高速公路的速度限制 - https://phycat.wordpress.com/2016/12/08/speed-of-light/

What exactly is a photon? Definition, properties, facts - http://www.zmescience.com/science/what-is-photon-definition-04322

Why Gold is yellow in color - http://www.zmescience.com/other/feature-post/gold-color-relativity

https://getpocket.com/explore/item/the-new-science-of-seeing-around-corners

Why is the ocean blue? - https://www.zmescience.com/other/feature-post/why-is-the-ocean-blue/

How do night vision goggles work? - https://www.zmescience.com/science/how-do-night-vision-goggles-work-feature/

Streetlights Are Mysteriously Turning Purple. Here’s Why - https://www.scientificamerican.com/article/streetlights-are-mysteriously-turning-purple-heres-why/