jackreczynski's channel

With an empty airstrip and eleven of the best driver's cars in the world, we put on the world's greatest drag race.

Read the entire 2011 Best Driv...

This may just be the ultimate car shootout as the folks over at Motor Trend have found a great line up of super and halo cars to run down an empty ...

Lyric:

I dont need no love all i need is the DJ (2X)

(Baby Bash)

It was midnight, I got the bootie call, She said I'm at the club, So I threw on m...

Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.

Chromosomal basis for gender. Sex-linked traits.

Life and photosynthesis start to thrive in the Archean Eon

Light and electromagnetic radiation

The Paleolithic and Neolithic eras of the Stone Age.

Correcting the time difference calculation by taking into account that there is no year 0

Difference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well.

From the extinction of the dinosaurs to humanity

More reasons why we haven't detected anything yet.

Taking a shot at estimating the number of detectable civilizations

Reconciling with the traditional Drake Equation

Why do we even care about the Drake Equation. Thinking about the fraction of a planet's life when a civilization might be detectable.

A framework for thinking about how many detectable civilizations are out there.

S-waves and P-waves

(Correction) Radius of Observable Universe

Radius of Observable Universe

Hubble Image of Galaxies

Intergalactic Scale

Scale of the Galaxy

Scale of Distance to Closest Stars

Scale of Solar System

Scale of Earth and Sun

Extending the path counting to three dimensions

Counting paths in a square

The perfect logicians are at it again.

Do not watch before Blue Forehead Room. THIS IS THE SOLUTION!

Saving Earth from becoming a mushroom farm.

Separating the truthteller from the togglers!

How to get correct advice when you can only ask one question from either a liar or a truthteller (when you don't know who is what)

China keeps peg but diversifies holdings

How the Chinese buying of American debt leads to lower interest rates

Chinese Central Bank Buying Treasuries

Currency Effect on Trade Review

Currency Effect on Trade

Introduction to how exchange rates can fluctuate

The argument that evolution speaks to being the most "intelligent design"

Introduction to evolution, variation in a population and natural selection

Ape Clarification - that they have no tails

Adding 2-digit numbers

Introduction to addition. Multiple visual ways to represent addition.