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Nanoscale ropes braid themselves, tiny sailors still needed to tie tiny knots

While perhaps not being quite as useful as towels, ropes are might handy things to have. With them you can attach things to other things and, well, that’s really their primary use. But what if those things are small? Really small. You need nanoropes of the sort created at the Molecular Foundry, braids that measure just 600 nanometers in diameter. A sheet of paper? About 100,000 nanometers thick. Perhaps even more interesting than their scale is how they were constructed, formed of polypeptoids that self-assemble into the coiling double helix you see above. Possible uses? Right now this is a part of experiments to create more complex nanoscale structures, but we could totally see them being used to, you know, tie tiny things together. Nanoscale ropes braid themselves, tiny sailors still needed to tie tiny knots originally appeared on Engadget on Wed, 19 Jan 2011 11:58:00 EDT. Please see our terms for use of feeds . Permalink

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Osteoporosis Tips: Diet and Exercise for Stronger, Healthier Bones

Building strong bones now may protect you from osteoporosis later. How diet and exercise can help strengthen your bones.

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Snow & Ice Cooling Planet Less Than They Did 30 Years Ago

photo: DorkyMum / Creative Commons New research published in Nature Geoscience shows that snow and ice declines in the Northern Hemisphere over the past three decades means that less cooling is happening due to albedo feedba… Read the full story on TreeHugger

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Breast Pumps for Nursing Moms

Breast pumps can be intimidating, but they don’t need to be. A guide to choosing an electric or manual pump, tips for getting the most out of your pump, and the basics on handling and storing pumped breast milk.

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Join the Masdar Digital Dialogue: Debate the Clean Energy Future on Twitter

#tweetmasdar The World Future Energy Summit brings heads of state, clean tech pioneers, and businessfolk from around the world to the oil-rich capital Abu Dhabi to hold forth on the future of energy. That being the case, it also brings in a truckload of media to cover it all. Typically, between filing stories, we media folk just gossip amongst ourselves about the goings on — cleantech rumors, who’s greenwashing where, and what the future of energy technology really is. We also… Read the full story on TreeHugger

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The EDV-1 From Daiwa: The Ultimate Post-Apocalyptic Expanding Container House

Images Credit Daiwa Cameron Sinclair is so going to want 10,000 of these amazing robotic shipping container sized instant houses. EDV stands for Emergency Disaster Vehicles, but it is really a pushbutton house that leaves Adam Kalkin in its wake. It is actually rather clever; the lower level has all the complicated plumbing a… Read the full story on TreeHugger

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You may have heard that Melissa Etheridge, who split from wife Tammy last year, has a new girlfriend. What you may not know: That girlfriend was also Etheridge’s “best man” when she wed Tammy in 2003. Etheridge and Nurse Jackie creator Linda Wallem have been best friends for more than…

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A suicide bomber blew up an ambulance filled with explosives outside a police headquarters in Diyala Province today, in the latest in a string of insurgent attacks. The bomb killed five and wounded 76, leaving a seven-foot-wide crater in its wake. “We felt that life was over and it was…

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Raw Video: Obama Welcomes Hu at White House

President Barack Obama says a state visit by Chinese President Hu Jintao is laying the foundation for deeper prosperity between their two nations. (Jan. 19)

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