Tagged: physics

How to slow down time

Does time really fly when you’re having fun or is that just another senseless saying? Well, it turns out there’s actual science behind the idea! Laci shows us how our perception of time changes… and how to slow it down.

World’s longest running science experiment

Sometimes scientific discoveries happen quickly, and other times, it takes a while… a looooong while. Trace talks about the world’s longest running laboratory experiment, and shows us some others that have been going on for longer than you’ve been alive!

The unknown genius of Nikola Tesla

Nikola Tesla (10 July 1856 — 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist best known for his contributions to the design of the modern alternating current (AC) electrical supply system.

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.

Bonding Models and Lewis Structures

Models are great, except they’re also usually inaccurate. In this episode of Crash Course Chemistry, Hank discusses why we need models in the world and how we can learn from them… even when they’re almost completely wrong. Plus, Lewis Structures!

Do we expand with the universe?

For thousands of years, astronomers wrestled with basic questions about the size and age of the universe. Does the universe go on forever, or does it have an edge somewhere? Has it always existed, or did it come to being some time in the past? In 1929, Edwin Hubble, an astronomer at Caltech, made a critical discovery that soon led to scientific answers for these questions: he discovered that the universe is expanding.