Exploring amazing concepts like Shadow Kissing and Shadow Blistering, he triggers many “ah-ha” concepts that we actually see quite frequently.
— Guy Larsen (@guylar) July 23, 2014
The video becomes more interesting as he explores such concepts of how shadows are faster than light, and explaining Shadows & Light Spots as well.
The video uses intellectual models (explained in a very understandable way, as usual) of projecting light and shadows onto the moon from earth. He ties these concepts in with things we commonly see everyday, but often take for granted, like our commonly experienced sunsets and earth’s shadow producing atmospheric phenomenon like the Belt of Venus.
Never failing to break things down to the level of physics, Mike touches on Constructive and Destructive Wave Interference, along with their Superposition behavior that leads into The Path Difference; when waves from one source meet up with waves from another source.
Superposition of Waves
What does this all have to do with the speed of darkness? We learn that Destructive Wave Interference is yet another way of creating darkness, and all these concepts creatively lead into the intriguing topic of the speed of ignorance.
As he explains the extremely interesting Dunning–Kruger effect, he subtly brings attention to how our expansion of ignorance is symbolically tied into how in-the-dark we can be and how many shadowy things there are left to illuminate (clever).
There is no question this is definitely worth a watch – I hope you enjoy as much as I did!