Space
29 articles
This Is Why Americans Are Irrationally Anxious About Terrorism
Many of terrorism’s most profound consequences are felt from a distance.

Here’s What We’ll Do in Space by 2116
In a mere 60 years, we of Earth have gone from launching our first spacecraft, to exploring every planet and major moon in our solar system, to establishing an international, longlived fleet of robotic spacecraft at the Moon and Mars. What will we do in the next 100 years? With such rapid expansion of capability, […]

Why Our Universe Doesn’t Have a Birthday
The main elements of the Big Bang model are “easily listed,” says Jim Peebles, the Albert Einstein Professor Emeritus of Science at Princeton. The model holds that the largescale structure of the cosmos is expanding faster and faster and that, on average, the universe looks close to the same no matter where you look. The […]

Why the Teenage Brain Isn’t Built for Solitary Confinement
Johnny Perez was 16years old when he was arrested for gun possession and admitted to Riker’s Island. Within months, he did his first round of solitary confinement: 60 days in a 60 squarefoot cell. The punishment was for fighting to use the telephone.Between the pushups, the jumping jacks, and the officers taunting him, the narrative […]

How a Mathematical Superstition Stultified Algebra for Over a Thousand Years
Like most people, my highschool training in mathematics involved nexttono history, barely touching on the names of a few mathematicians, like Pythagoras, and their theorems. I graduated only vaguely aware that geometry came from ancient Greece and algebra came from the Babylonians.A decade later, as a graduate researcher of chemical engineering at the University of […]

How Where You Are or What You’re Doing Alters Your Sense of Time
maradon 333/Shutterstock How we think of time can lead to some odd results. For example, imagine your coworker says next Wednesday’s meeting has been moved forward two days. When is the meeting going to be held? Your response can be predicted by how you see your relationship to time. If you see time flowing toward […]