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Gaming the Future: The Book!

Category: MEMS

Powerful nanoengine built from coated nanoparticles

A nanoengine 100 times more powerful than known nanomotors and muscles was demonstrated using the aggregation and dispersal of gold nanoparticles coated with a polymer that undergoes a rapid transition from hydrophobic to hydrophilic.

Conference video: Regenesis: Bionano

At the 2013 Conference George Church presented an overview of his work in developing applications of atomically precise nanotechnology intended for commercialization, from data storage to medical nanorobots to genomic sequencing to genomic engineering to mapping individual neuronal functioning in whole brains.

Small, fast, electrically-driven nanomotors

Bulk nanoscale technologies were used to create three-segment nanowires of gold and nickel, and magnetic bearings of gold, nickel, and chromium. Combinations of DC and AC electric fields were used to assemble nanomotors that can spin at speeds up to 18,000r.p.m., and for up to 15 hours.

Piezoelectric monolayer joins toolkit for nanomanipulation

To measure in-plane piezoelectric stress, an MoS2 film was suspended on HSQ posts and clamped by two Au electrodes. When the film was indented with a scanning AFM probe, the induced stress changed the load on the cantilever, which was observed by the deflection of a laser beam. Credit: Berkeley Lab

Physicists suppress ‘stiction’ force that bedevils microscale machinery

A possible top-down path to atomically precise manufacturing that passes through microscale machinery might be rendered easier because of recent progress in suppressing the Casimir force, which contributes to the ‘stiction’ problem often encountered with microelectromechanical systems.

Feynman 1984 talk on Tiny Machines on You Tube

The conceptual history of nanotechnology is usually traced to a classic talk “There’s Plenty of Room at the Bottom” that Richard Feynman gave on December 29th 1959 at the annual meeting of the American Physical Society at the California Institute of Technology (Caltech), which was first published in Caltech Engineering and Science, Volume 23:5, February… Continue reading Feynman 1984 talk on Tiny Machines on You Tube

Will piezoelectric graphene provide options for nanoscale manipulation?

Calculations using density functional theory have demonstrated that graphene can be made piezoelectric by adsorbing atoms or molecules on one surface, or by adsorbing different atoms or molecules on each surface.

Fast nanoscale 3D-printing (link to video)

A new two-photon polymerization process enables fast printing of arbitrarily complex three dimensional objects with 100-nanometer resolution.

Will new piezoelectric materials lead to new tools for nanotechnology?

Will the integration of a single-crystal material with “giant” piezoelectric properties onto silicon make possible scanning probe microscopes on a chip?

Carbon nanotube muscles could propel future medical nanorobots (video)

Yarn woven from carbon nanotubes provides a thousand times more rotation than is obtained from other artificial muscles, and could be made into motors to provide propulsion for micrometer-sized medical nanorobots.

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