22:00

All The Ghosts You Will Be

1:29

The Bezold Effect

1:21

Does Hand-Fanning Actually Work?

3:00

The 13 Trick

1:26

Mnemonics

1:14

The Helix Puzzle

1:51

Craters Of Eternal Darkness

1:59

Decadal Antimetabole

1:33

Galinstan vs. Metal Alloy Bricks

1:23

The Fastest Way To Lose

0:23

POV we fell in love in 2003

1:36

Euler's Disk

1:29

How Many Times Should You Flip?

1:45

How To Destroy The Sun

1:26

How Long Could You Live In The ISS If Earth Was Destroyed?

1:04

There Are Cathedrals Everywhere

1:18

Screwball Scramble!

1:49

Building Kepler's Obsession

1:38

Eggbeater Jesus

2:29

The Experiment We Didn't Show

3:00

The Best Sundial

2:24

I Built An Emordnilap Machine

2:08

The Man Who Saved The World

0:57

Walt Disney's Hands

1:01

The Legacy Box

1:01

Why Did Yankee Doodle Call This Macaroni??

1:01

Making Thick Urine

1:01

History Is Accumulating

1:01

Geography They Didn't Teach You In School

1:01

Unusual Gears

1:01

Abraham Lincoln Simulator

1:01

My Favorite Mathematical Limericks!

0:56

Logorrhea

1:01

What's Inside A Flame?

1:01

The Last Photograph We Took Of Earth

1:01

Anagram Land

1:01

A Funeral For A Species

1:01

What If You Were 620 Miles Long?

0:43

Can You Solve This Word Puzzle?

1:00

The Forsaken Card

0:59

The Body Deck

0:58

Thin Film Interference

1:01

THEY'RE HERE!

0:59

The Most Dangerous Thing In My Office

1:01

The Assassin's Water Bottle

0:59

Cooking An Egg In My Hot Car

1:00

If Uranus Was This Big...

1:01

How To Be Prepared Like No One Else

1:01

The Fastest Way To Find Waldo

1:00

The Last Person To Know The World Before Photography

1:01

I Finally Found One!

0:58

More Words Of Wisdom

0:48

A Trick With TWO Cuts

0:57

The Fold And Cut Theorem

1:01

This Book Has No Words

1:01

Every 2-Letter Scrabble Word

1:01

there is no music out there

1:01

Tangram Paradoxes

1:01

3D Photographs Of Things We Have Lost

1:00

I Made A Solenoid Engine!

0:50

Is Neon Brown Possible?

1:01

That Time I Said Prime Numbers For 3 Hours

0:57

Who Voted For "Me"?

1:00

This Is A Light-Nanosecond!

0:59

Our DARKEST Day

1:00

Why Does Earth Look 'Drippy'?

1:00

What's Inside The Forbidden Pentagon?

1:01

Have We Ever All BLINKED At The Same Time?

1:01

Some Surprising Eponyms

1:01

The Worst Book I've Read So Far This Year

1:01

Macaroni Universe

1:01

The Sizes Of History

1:01

The Only Dog Still Alive From The 90s

1:01

The Contradiction In The U.S. Constitution

1:01

Rotational Recomposition

0:57

What Does Mars FEEL Like?

1:01

Bubble Gum Color Science

1:00

Is A 2-Sided Polygon Possible?

1:01

My First Screen-Acting Role. 2003

1:00

These Faces Are The Same Color!

0:52

How Will Humans Run In The Future?

1:01

Constructing Numbers From Nothing

1:01

The Shadow Alphabet Puzzle

1:01

I Got The Terrible Maps Book

1:01

The Puzzle I Was Never Able To Solve

0:58

Leaving On Halley's Comet

1:01

Hexagonal Pythagoras

1:01

Funny Epigrams

1:01

Etch-A-Sketch Theory

1:01

Dr. Seuss's First Book

1:01

How To Make Galinstan

1:01

Words That Look Similar ON YOUR LIPS

1:00

A Book That Didn't Age Well

0:57

... and why!

1:01

A trick that always works...

1:01

The Oldest Photograph

1:01

Fibonnaci on a Marble-Powered Computer

0:55

Stop Wearing Shirts

1:01

Phrases That Sound Alike

0:48

Spin Blow