Hypersonic aircraft can fly at least five times the speed of sound. They would make for terrifying weapons -- if they are even possible.
Researchers learn a lot from studying office workers' email. But the question remains: do they learn more about the people, or about the medium itself?
According to our columnist, the internet has destabilized many of the informal institutions that underpin our democracy.
Personnel at the U.S. embassy in Havana have reported mysterious sounds and physical symptoms consistent with brain injury. Could it be microwaves?
How users feel about illegal downloading may have a lot to do with privilege.
When our flame wars, insensitive Facebook comments, and rude texts are catalogued online indefinitely, can we still forgive and forget?
The U.S. and most other large militaries have been trying to develop laser weapons for decades. Has China created the first portable laser gun?
Roe v. Wade left Americans with the idea that privacy is something we can expect as citizens. But does the SCOTUS consider privacy a constitutional right?
The internet has played a large role in fostering intense fan communities. But are these high-octane, super-specific interests healthy? Or...interesting?
During the Cold War, America's libraries helped patrons prepare for nuclear war, from stocking reference materials to providing fallout shelters.