Tim Urban

Tim Urban @waitbutwhy

Every citrus fruit you eat is the product of a long line of human experimentation and cross-breeding. They share th… https://t.co/ewJwH51Ddc

Tim Urban @waitbutwhy

Betelgeuse is 642 light years away and we can easily see it with our naked eye. Which means it’s at the center of a… https://t.co/vY4ilTotrN

Tim Urban @waitbutwhy

Space is big https://t.co/E9MbTIPbkO

Tim Urban @waitbutwhy

Space is big https://t.co/E9MbTIPbkO

Tim Urban @waitbutwhy

Creatures captured by photographer David Liittschwager in a small scoop of seawater. Something I’ll be thinking abo… https://t.co/XDdHaVzjc6

Tim Urban @waitbutwhy

In 2009, the Institute for Highway Safety staged a head on crash between a 2009 Chevy Malibu and a 1959 Bel Air. Th… https://t.co/U0AAVuT6Sn

Tim Urban @waitbutwhy

It’s funny that after the Big Bang, there were all these hydrogen atoms everywhere and 13.8 billion years later som… https://t.co/iMkyoX8uzV

Tim Urban @waitbutwhy

In a Pythagorean tree, every color is equally represented, because a² + b² = c² https://t.co/NimaAa1rKF

Tim Urban @waitbutwhy

Five cities, then and now. Somewhere today there's a quiet fishing village that will be a 2100 megalopolis. Hong K… https://t.co/r2hflo5byU

Tim Urban @waitbutwhy

In case we're ever in a bind, I figured it out and all humans can fit snugly inside New York City, all standing on… https://t.co/FX633Dagdk

Tim Urban @waitbutwhy

The size of the asteroid that killed the dinosaurs. Kind of unimpressed with the dinosaurs. https://t.co/LX9vWZVmS2

Tim Urban @waitbutwhy

Hidreley Diao uses AI to capture what historical figures would look like if they were modern people. George Washi… https://t.co/9WKrZtDqVX

Tim Urban @waitbutwhy

It would be weird if I could flip through a phone and watch videos of my parents at any given month of their lives.… https://t.co/T8XmQ6IE0h

Tim Urban @waitbutwhy

The Cosmic Cliffs are unfathomably huge. The tallest peaks in this image are 7 light years high - the height of 5 b… https://t.co/1yAPe3WGfe

Tim Urban @waitbutwhy

Whales evolved from a bizarre, vaguely whale-looking land animal called the Pakicetus that lived in Pakistan 50 mil… https://t.co/qBG4b8DvvF

Tim Urban @waitbutwhy

Population density thread because you and I both know you have nothing better to do. Let's start with this cool wa… https://t.co/C3WYEtcQ5m

Tim Urban @waitbutwhy

Imagine dropping a single microbe onto a lifeless alien planet, then coming back a few billion years later and seei… https://t.co/NSbXI9A4fX

Tim Urban @waitbutwhy

The lifespans of some of the most well-known people of the past 600 years https://t.co/ZFvChmHLKE

Tim Urban @waitbutwhy

You’d have to compress Earth to this size (9 mm) to form a black hole. You’d have to compress the sun to 3 km and t… https://t.co/AWOk4ALVQ7

Tim Urban @waitbutwhy

A 5 megabyte hard drive in 1956 vs. 1 terabyte today. A terabyte hard drive in 1956 would be the size of a 40-story… https://t.co/xliW4ww58G

Tim Urban @waitbutwhy

In a Pythagorean tree, every color is equally represented, because a² + b² = c² https://t.co/NimaAa1rKF

Tim Urban @waitbutwhy

Five cities, then and now. Somewhere today there's a quiet fishing village that will be a 2100 megalopolis. Hong K… https://t.co/r2hflo5byU

Tim Urban @waitbutwhy

In case we're ever in a bind, I figured it out and all humans can fit snugly inside New York City, all standing on… https://t.co/FX633Dagdk

Tim Urban @waitbutwhy

Betelgeuse is 642 light years away and we can easily see it with our naked eye. Which means it’s at the center of a… https://t.co/vY4ilTotrN

Tim Urban @waitbutwhy

The size of the asteroid that killed the dinosaurs. Kind of unimpressed with the dinosaurs. https://t.co/LX9vWZVmS2

Tim Urban @waitbutwhy

It would be weird if I could flip through a phone and watch videos of my parents at any given month of their lives.… https://t.co/T8XmQ6IE0h

Tim Urban @waitbutwhy

The Cosmic Cliffs are unfathomably huge. The tallest peaks in this image are 7 light years high - the height of 5 b… https://t.co/1yAPe3WGfe

Tim Urban @waitbutwhy

Whales evolved from a bizarre, vaguely whale-looking land animal called the Pakicetus that lived in Pakistan 50 mil… https://t.co/qBG4b8DvvF

Tim Urban @waitbutwhy

Population density thread because you and I both know you have nothing better to do. Let's start with this cool wa… https://t.co/C3WYEtcQ5m