LAB Medicine - file 02: Men's Nipples, What are you doing?

LAB Medicine - file 02

Men's Nipples, What are you doing?

In biology, in theory, evolution should properly work for the “survival of the fittest” (Herbert Spencer) as evolutionary optimization. The invisible hands of nature should be flawless. And we humans have some vestigial organs, such as the Coccyx (tailbone), for the evidence.

LAB Physics - file 03: Light slows down

LAB Physics - file 03

Light slows down

In my previous post, we examined the speed of light to see how fast light is! And in consequence, the speed of light is formidable compared to any human technology.

But in fact, light can be slowed down by the medium it’s traveling through.