What If? chapters
- For other instances of this title, see What If (disambiguation).
This explanation may be incomplete or incorrect: Some articles are missing. Remove this notice after making sure all articles are in the table. If you can address this issue, please edit the page! Thanks. |
This is a list of all articles featured in Randall Munroe's what if? blog and book series. If the title of a blog article differs from the title in the book, the book's title will be listed next to the original. A similar list can also be found in the archive section of the blog.
Article title | Title in the book | Blog number | What If? chapter | What If? 2 chapter |
---|---|---|---|---|
Relativistic Baseball | 1 | 2 | ||
SAT Guessing | 2 | 66 | ||
Yoda | 3 | 32 | ||
Mole of Moles | 4 | 10 | ||
Robot Apocalypse | 5 | |||
Glass Half Empty | 6 | 26 | ||
Everybody Out | 7 | 35 | ||
Everybody Jump | 8 | 9 | ||
Soul Mates | 9 | 6 | ||
Cassini | 10 | |||
Droppings | 11 | |||
Raindrop | 12 | 65 | ||
Laser Pointer | 13 | 7 | ||
Short Answer Section | 14 | |||
Mariana Trench Explosion | 15 | |||
Today’s topic: Lightning | Lightning | 16 | 19 | |
Green Cows | 17 | |||
BB Gun | 18 | |||
Tie Vote | 19 | |||
Diamond | 20 | |||
Machine-Gun Jetpack | 21 | 14 | ||
Cost of Pennies | 22 | |||
Short Answer Section II | Short-Answer Section | 23 | 18 | |
Model Rockets | 24 | |||
Three Wise Men | 25 | |||
Leap Seconds | 26 | |||
Death Rates | 27 | |||
Steak Drop | 28 | 23 | ||
Spent Fuel Pool | 29 | 3 | ||
Interplanetary Cessna | 30 | 30 | ||
FedEx Bandwidth | 31 | 44 | ||
Hubble | 32 | |||
Ships | 33 | |||
34 | 50 | |||
Hair Dryer | 35 | 11 | ||
Cornstarch | 36 | |||
Supersonic Stereo | 37 | |||
Voyager | 38 | |||
Hockey Puck | 39 | 24 | ||
Pressure Cooker | 40 | |||
Go West | 41 | |||
Longest Sunset | 42 | 52 | ||
Train Loop | 43 | |||
High Throw | 44 | 38 | ||
ISS Music Video | 45 | |||
Bowling Ball | 46 | |||
Alien Astronomers | 47 | 28 | ||
Sunset on the British Empire | 48 | 60 | ||
Sunless Earth | 49 | 57 | ||
Extreme Boating | 50 | |||
Free Fall | 51 | 45 | ||
Bouncy Balls | 52 | |||
Drain the Oceans | 53 | 48 | ||
Drain the Oceans: Part II | 54 | 49 | ||
Random Sneeze Call | 55 | 53 | ||
Restraining an Airplane | 56 | |||
Dropping a Mountain | 57 | |||
Orbital Speed | 58 | 43 | ||
Updating a Printed Wikipedia | 59 | 58 | ||
Signs of Life | 60 | |||
Speed Bump | 61 | 41 | ||
Falling with Helium | 62 | 34 | ||
Google’s Datacenters on Punch Cards | 63 | |||
Rising Steadily | 64 | 15 | ||
Twitter Timeline Height | 65 | |||
500 MPH | 66 | |||
Expanding Earth | 67 | 55 | ||
Human Computer | 68 | 21 | ||
Facebook of the Dead | 69 | 59 | ||
The Constant Groundskeeper | 70 | |||
Stirring Tea | 71 | 61 | ||
Loneliest Human | 72 | 63 | ||
Lethal Neutrinos | 73 | 39 | ||
Soda Planet | 74 | |||
Phone Keypad | 75 | |||
Reading Every Book | 76 | 10 | ||
Growth Rate | 77 | |||
T-rex Calories | 78 | 7 | ||
Lake Tea | 79 | |||
Pile of Viruses | 80 | |||
Catch! | 81 | 12 | ||
Hitting a comet | 82 | |||
Star Sand | 83 | 16 | ||
Paint the Earth | 84 | 14 | ||
Rocket Golf | 85 | |||
Far-Traveling Objects | 86 | |||
Enforced by Radar | 87 | |||
Soda Sequestration | 88 | |||
Tungsten Countertop | 89 | |||
Great Tree, Great Axe | 90 | |||
Faucet Power | 91 | |||
One-Second Day | 92 | 21 | ||
Windshield Raindrops | 93 | |||
Billion-Story Building | 94 | 22 | ||
Pyramid Energy | 95 | |||
$2 Undecillion Lawsuit | 96 | 23 | ||
Burning Pollen | 97 | |||
Blood Alcohol | 98 | 42 | ||
Starlings | 99 | |||
WWII Films | 100 | |||
Plastic Dinosaurs | 101 | 26 | ||
Keyboard Power | 102 | |||
Vanishing Water | 103 | |||
Global Snow | 104 | 59 | ||
Cannibalism | 105 | |||
Ink Molecules | 106 | |||
Letter to Mom | 107 | |||
Expensive Shoebox | 108 | |||
Into the Blue | 109 | |||
Walking New York | 110 | |||
All the Money | 111 | |||
Balloon Car | 112 | |||
Visit Every State | 113 | |||
Antimatter | 114 | |||
Into the Sun | 115 | 61 | ||
No-Rules NASCAR | 116 | 35 | ||
Distant Death | 117 | |||
Physical Salary | 118 | |||
Laser Umbrella | 119 | |||
Alternate Universe What Ifs | 120 | |||
Frozen Rivers | 121 | |||
Lava Lamp | 122 | 40 | ||
Fairy Demographics | 123 | |||
Lunar Swimming | 124 | |||
Bowling Ball | 125 | |||
Stairs | 126 | |||
Tug of War | 127 | |||
Zippo Phone | 128 | |||
Black Hole Moon | 129 | |||
Snow Removal | 130 | |||
Microwaves | 131 | |||
Hotter than Average | 132 | |||
Flagpole | 133 | |||
Space Burial | 134 | |||
Digging Downward | 135 | |||
Spiders vs. the Sun | 136 | 44 | ||
New Horizons | 137 | |||
Jupiter Submarine | 138 | |||
Jupiter Descending | 139 | |||
Proton Earth, Electron Moon | 140 | 48 | ||
Sunbeam | 141 | |||
Space Jetta | 142 | |||
Europa Water Siphon | 143 | |||
Saliva Pool | 144 | 53 | ||
Fire from Moonlight | 145 | 51 | ||
Stop Jupiter | 146 | |||
Niagara Straw | 147 | 55 | ||
Eat the Sun | 148 | |||
Pizza Bird | 149 | |||
Tattooine Rainbow | 150 | |||
Sun Bug | 151 | |||
Flood Death Valley | 152 | |||
Hide the Atmosphere | 153 | |||
Coast-to-Coast Coasting | 154 | |||
Toaster vs. Freezer | 155 | |||
Electrofishing for Whales | 156 | |||
Earth-Moon Fire Pole | 157 | 58 | ||
Global Windstorm | 1 | |||
Weird (and Worrying) Questions from the What If? Inbox, #1 | 4 | |||
New York–Style Time Machine | 5 | |||
Periodic Wall of the Elements | 8 | |||
Weird (and Worrying) Questions from the What If? Inbox, #2 | 12 | |||
The Last Human Light | 13 | |||
Weird (and Worrying) Questions from the What If? Inbox, #3 | 16 | |||
Orbital Submarine | 17 | |||
Weird (and Worrying) Questions from the What If? Inbox, #4 | 20 | |||
Little Planet | 22 | |||
Common Cold | 25 | |||
Weird (and Worrying) Questions from the What If? Inbox, #5 | 27 | |||
No More DNA | 29 | |||
Weird (and Worrying) Questions from the What If? Inbox, #6 | 31 | |||
Flyover States | 33 | |||
Weird (and Worrying) Questions from the What If? Inbox, #7 | 36 | |||
Self-Fertilization | 37 | |||
Weird (and Worrying) Questions from the What If? Inbox, #8 | 40 | |||
Lost Immortals | 42 | |||
Weird (and Worrying) Questions from the What If? Inbox, #9 | 46 | |||
Sparta | 47 | |||
Lego Bridge | 51 | |||
Weird (and Worrying) Questions from the What If? Inbox, #10 | 54 | |||
Weightless Arrow | 56 | |||
Stirring Tea | 62 | |||
Weird (and Worrying) Questions from the What If? Inbox, #11 | 64 | |||
Neutron Bullet | 67 | |||
Weird (and Worrying) Questions from the What If? Inbox, #12 | 68 | |||
Richter 15 | 69 | |||
Soupiter | 1 | |||
Helicopter Ride | 2 | |||
Dangerously Cold | 3 | |||
Ironic Vaporization | 4 | |||
Cosmic Road Trip | 5 | |||
Pigeon Chair | 6 | |||
Short Answers #1 | Unnumbered (between 6 and 7) | |||
Geyser | 8 | |||
Pew, Pew, Pew | 9 | |||
Weird & Worrying #1 | Unnumbered (between 10 and 11) | |||
Banana Church | 11 | |||
Lose Weight the Slow and Incredibly Difficult Way | 13 | |||
Jupiter Comes to Town | 15 | |||
Swing Set | 17 | |||
Airliner Catapult | 18 | |||
Short Answers #2 | Unnumbered (between 18 and 19) | |||
Slow Dinosaur Apocalypse | 19 | |||
Elemental Worlds | 20 | |||
Star Ownership | 24 | |||
Tire Rubber | 25 | |||
Short Answers #3 | Unnumbered (between 26 and 27) | |||
Suction Aquarium | 27 | |||
Earth Eye | 28 | |||
Build Rome in a Day | 29 | |||
Mariana Trench Tube | 30 | |||
Expensive Shoebox | 31 | |||
MRI Compass | 32 | |||
Ancestor Fraction | 33 | |||
Bird Car | 34 | |||
Weird & Worrying #2 | Unnumbered (between 35 and 36) | |||
Vacuum Tube Smartphone | 36 | |||
Laser Umbrella | 37 | |||
Eat a Cloud | 38 | |||
Tall Sunsets | 39 | |||
Sisyphean Refrigerators | 41 | |||
Basketball Earth | 43 | |||
Inhale a Person | 45 | |||
Candy Crush Lightning | 46 | |||
Short Answers #4 | Unnumbered (between 46 and 47) | |||
Toasty Warm | 47 | |||
Eyeball | 49 | |||
Japan Runs an Errand | 50 | |||
Read All the Laws | 52 | |||
Weird & Worrying #3 | Unnumbered (between 52 and 53) | |||
Snowball | 54 | |||
Walking Backward in Time | 56 | |||
Ammonia Tube | 57 | |||
Short Answers #5 | Unnumbered (between 58 and 59) | |||
Dog Overload | 60 | |||
Sunscreen | 62 | |||
Walking on the Sun | 63 | |||
Lemon Drops and Gumdrops | 64 |