With 3-D printing, manufacturers can make existing products more efficiently—and create ones that weren't possible before.
Nokia helped invent the cell-phone business, but those days of technology glory are long gone. Its new CTO has the job of creating the technologies and designs that will help the Finnish company regain its status as an innovation leader.
Nuclear proliferation in the 21st century should force the United States to reconsider whether the principle of deterrence actually promotes stability and peace.
Lavish electronic-book projects point toward the pinnacle of the medium.
Scientists and the journals that publish them have a difficult time admitting to mistakes. That does real harm to both their disciplines and the public.
Analyzing what people do online provides a way to peer into society's collective mind.
Controversy over a proposed oil pipeline from Alberta to Texas is sidetracking us from bigger issues.
The man building Google's new social network says people deserve better than Facebook and Twitter.
One writer bristled at the idea that video games might be corrupting her daughters.
Solar cells inside displays could make for self-charging cell phones.