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Headless Portraits From the 19th Century (15 pictures)

Trick photography has been around for centuries, and even though the folks in Victorian times weren’t nearly as concerned with artificially slimming down, they did like to have some photographic fun once in a while. This set of headless photographs from the 19th century is a great example of the kind of ‘fun’ we’re talking about.

Colors of Mercury

This colorful view of Mercury, the innermost Planet, was produced by using images from the color base map imaging campaign during MESSENGER’s primary mission. These colors are not what Mercury would look like to the...

Calorimetry

Today’s episode dives into the HOW of enthalpy. How we calculate it, and how we determine it experimentally…even if our determinations here at Crash Course Chemistry are somewhat shoddy.

Orbitals

In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds.