This week’s most thought-provoking papers from the Physics arXiv.
If six-legged automatons want to get ahead, they should only leave two feet on the ground.
A startup called Daqri has technology that can print solid objects faster and also powers a new kind of head-up display.
New questions about the FBI’s power to access data have shifted the years-long political debate over reform of the Electronic Communications Privacy Act.
Zuck plans to use his powerful social network to make the world a better place—but the details are a bit sketchy.
The collapse of the Tokyo company’s nuclear development arm puts a likely end to new U.S. plants.
They’re still years off, but airborne automobiles are inching toward reality—and the companies building them are looking for pilots.
A humanoid bot called Darwin shows how aspects of nursing and child care might be mechanized.
Phone calls, wider integration, and even screens could make our new domestic butlers more useful.
Traditional movies were the popular art form of the 20th century. Is virtual reality what comes next?