6:55
Should Sending Cash Be As Easy As Sending E-mail?
In this episode of App Chat, Ellis Hamburger debates the pros and cons of Square Cash.
A Butterfly’s-Eye View: Aloft in a Balloon
Camille Flammarion’s balloon excursions afforded a new perspective on the world.
Turmoil at Twitter: A CEO’s Ouster
Evan Williams was forced out of the company in a boardroom coup carried out by the people he had hired.
What You Didn’t Know About Einstein
When you find yourself wanting to re-read a book that you just finished, you gotta recommend it to others.
37:05
Biosecurity for the Age of Redesigned Life
Bioethicists—and the FBI—are rethinking biosecurity for the synthetic biology revolution.
30:01
Hurricane Sandy Recovery, One Year Later
A year after Hurricane Sandy, differing visions for the coastline of tomorrow.
16:57
To Learn How Your Camera Works, Try Building One
The Bigshot Do-It-Yourself Digital Camera kit gives tinkerers a view of a camera’s anatomy.
16:51
Einstein’s Real Breakthrough? Quantum Theory
Einstein is best known for relativity, but was his quantum theory more revolutionary?
Einstein’s Monster
An excerpt from “Einstein and the Quantum: The Quest of the Valient Swabian.”
Mavericks Of The Bat World
Mexican free-tailed bats engage in aerial acrobatics reminiscent of the jet maneuvers in “Top Gun.”