Add BrightSurf on Google Email

Wilson Center and Pew Charitable Trusts expand efforts to examine risks/benefits of nanotechnology

The Wilson Center and Pew Charitable Trusts are expanding their efforts to examine the risks and benefits of nanotechnology. The Project on Emerging Nanotechnologies will provide objective, in-depth analysis and policy recommendations to manage environmental, health, and social impacts.

Survey finds emotional reactions to nanotechnology

A new survey found that people's emotional reactions to nanotechnology play a major role in their perception of its risks and benefits, with individuals' values determining their reaction to information about the technology. The study suggests that government, business, and educators must take a proactive approach to public engagement ...

Turning an axel mounted molecular wheel

Researchers successfully control rotation of axel-mounted molecular wheel, marking major breakthrough in creating molecular machines. The achievement opens up new possibilities for technological advancements and understanding at the molecular scale.

SourceCNRS·JournalNature Nanotechnology·DateJan 23, 2007

Dreaming of a nanotech Christmas: What persuades the public to embrace and buy nanotechnology?

A large-scale study found that greater popular awareness and understanding of nanotechnology increases support for research and reduces concerns. The study compared the experience of emerging nanotechnology to other new technologies, highlighting the importance of citizen-scientist dialogue in shaping public perceptions.

Former White House science advisor warns that nanotechnology's potential threatened

Dr. Neal Lane, former U.S. President Bill Clinton's science advisor, expresses concerns about the impact of limited public knowledge on nanotechnology's future success. He emphasizes the need for a coordinated effort to educate the public and provide balanced information about nanotechnology's benefits and risks.

Nanotech tools yield DNA transcription breakthrough

Researchers have resolved key questions about DNA transcription using nanotech tools, revealing a molecular machine that remains stationary and 'reels in' adjacent DNA segments during initial synthesis. This breakthrough advances understanding of the structure and function of transcription, setting the stage for new opportunities in co...

SourceRutgers University·JournalScience·DateNov 16, 2006

Boehlert, Gordon call for implementation of new nanotechnology report

The House Science Committee's Chairman Sherwood Boehlert and Ranking Democrat Bart Gordon call for the implementation of a new research agenda on the environmental, health, and safety implications of nanotechnology. The paper recommends prioritized priorities for examining potential consequences over the next decade and a half, which c...

Pulsating gels could power tiny robots

Researchers at the University of Pittsburgh have developed a general model to study large-scale shape changes in responsive gels. Their gel lattice spring model captures two-dimensional deformations and chemical reactions within swollen networks of polymers, revealing dynamic patterns and oscillations in the gel's shape.

SourceUniversity of Pittsburgh·JournalScience·DateNov 2, 2006

Mathematicians maximize knowledge of minimal surfaces

Researchers William Minicozzi and Tobias H. Colding break new ground in understanding minimal surfaces, discovering they are composed of fundamental building blocks like planes, catenoids, and helicoids. This breakthrough has significant implications for fields such as nanotechnology, where minimal surfaces can be extremely useful.

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateAug 15, 2006

Organizing dumbbells for nanotech devices

Scientists design molecular machines that can switch between functional units and demonstrate reversible switching behavior when exposed to acid and base. The study showcases the potential for organizing molecular machines on surfaces, paving the way for future development of molecular computers.

SourceWiley·JournalAdvanced Materials·DateMay 12, 2006

From Quonset huts to ballerinas

Researchers discovered that surfactant micelles assemble into specific structures on a graphite surface due to van der Waals interactions, overcoming Brownian motion. The dynamic nature of these micelle structures opens new horizons for exploration and potential technological applications.

UCLA chemists create nano valve

Researchers at UCLA have successfully created a nano valve that can trap and release molecules on demand, controlling them at the nano scale. The device uses switchable rotaxane molecules attached to a tiny piece of glass, allowing for precise control over molecule movement.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateJul 15, 2005

Nanotechnology pioneer slays 'grey goo' myths

A new paper by Chris Phoenix and K. Eric Drexler argues that self-replication is not necessary for building an efficient molecular manufacturing system, contrary to previous understanding. Instead, simple robot-arms in larger factories are a more practical solution.

SourceIOP Publishing·JournalNanotechnology·DateJun 8, 2004

Nanotech control device developed

Researchers at Texas A&M University have developed a nanotech control device that achieves six degrees of freedom for precise positioning in nanotechnology and telesurgery. The device eliminates mechanical contact and friction, improving accuracy and resolution, while decreasing manufacturing costs and increasing reliability.