The Shinkansen N700A Series Set G13 high speed train travelling at approximately 300 km/h through Himeji Station, Japan

Will the U.S. Ever Catch a High-Speed Train?

Over 20 countries have high-speed train travel, carrying 1.6 billion passengers a year. The United States is lagging behind.
The shadow of an airplane on a field

Will You Ever Fly in a Plane Propelled by Plants and Seeds?

Airlines have already flown planes fueled with biofuel-petroleum mixes, and more are coming.
A wall of security cameras in Toronto, Canada

Are Smart Cities a Wise Idea?

When Google runs a smart city, who owns the data?
Courtesy SeaDream

A Century After They First Appeared, Electric Boats Are Making a Comeback

In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.
A rig in the ocean with smoke and fire protruding from top

How Natural Gas Helped Make our Industrial World

Gas was in fact one of the first readily available fuels, and shaped spaces and politics in Regency-era London.
Suprematist Painting (with Black Trapezium and Red Square) by Kazimir Malevich

Dreaming of Spaceflight in 1920s Russia

Early in the 20th century, Cosmism was all the rage in Russia, inspiring a utopian and mystical view of interstellar travel.
The Leader of the Luddites

Why Luddites Are Fashionable Again

Today we call anyone with a flip phone a Luddite. But the term has radical origins.
A person's hands holding an iPhone

It’s Time to Break Up the Apple App Store

Apple's stranglehold on the App Store is problematic. Our technology columnist explains why.
This infographic details the locations of the participating telescopes of the Event Horizon Telescope (EHT) and the Global mm-VLBI Array (GMVA).

Seeing Black Holes

Two of the scientists on the huge team that eventually captured the world's first image of a black hole discuss the particular challenges of the task.
A power button filled with green leaves in front of a dark background.

The 4 Questions to Ask before You Unplug

If you're concerned about the internet's effects on the world and on yourself, unplugging might not be the answer.