Artificial muscles could power tiny actuators and microfluidic mixers
Conductive binders could make high-capacity battery electrodes practical
Chinese manufacturers have dominated the international market for conventional solar panels by building bigger factories faster. Now they will need to innovate to maintain their lead.
With 3-D printing, manufacturers can make existing products more efficiently—and create ones that weren't possible before.
Manufacturing in the United States is in trouble. That's bad news not just for the country's economy but for the future of innovation.
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.
Thanks to its deposits of buried bitumen, Canada is one of the world's fastest-growing oil producers. New extraction technologies are opening up even more of the vast resource—prompting fresh environmental concerns.
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.