IBM Makes Smallest Movie Ever

The science behind the film is decades old, but anything about movies seems to excite the imagination

2 min read
IBM Makes Smallest Movie Ever

If there were a Nanoscale category in the Academy Awards, the 2013 winner would surely be a movie made by IBM Research that has carbon and oxygen atoms of carbon monoxide molecules being moved around on a copper surface with a scanning tunneling microscope. The 250-frame stop-motion film, entitled “A Boy and His Atom” (which you can see below), uses discrete atoms to draw a stick-figure-like boy that bounces on a trampoline and plays catch with an individual atom "ball."

The breakthrough here seems to be the use of a stop-motion film that has garnered IBM the Guinness Book of World Records for World’s Smallest Movie.

Of course, the scanning tunneling microscope (STM) has been with us for nearly 30 years, ever since Gerd Binnig first heard the beautiful noise of the STM tip following the an atom's contours. And it’s been nearly a quarter-century since Don Eigler used an STM to move Xenon atoms around to form “I-B-M”.

More recently, IBM has continued its ground breaking microscopy work by imaging atoms with the use of an atomic force microscope (AFM) in a technique known as Kelvin probe force microscopy (KPFM). This work allowed for the first time the imaging of charge distribution within a molecule  and then for reaching the limits of AFM to image and manipulate hydrogen atoms.

While all this breakthrough microscopy technology of IBM’s is impressive, this latest stop-motion film was not intended to sit along side these other works. Instead it appears to have been aimed at demonstrating IBM’s efforts in creating the next generation of data storage technology. Of course, IBM has a somewhat checkered past in applying its STM and AFM technologies to data storage, most notably Millipede Project, which went from being the Jane Eyre of mobile memory to the crazy first wife in the attic.

Despite there not being a great deal of breakthrough science here, the short film does seem to have inspired both laymen and scientists alike to fall in love again with the allure of science in general and the nanoscale in particular. It's sociologically fascinating that decades worth of brilliant science can't garner as much interest as this short movie has quickly generated. I am not sure whether this is due to the power of cinema itself or people sensing—perhaps for the first time—they are actually witnessing what is invisible to the naked eye. Maybe if nanotech is to fully enter the popular culture, IBM should collaborate with Disney. Nano-Pinocchio, anyone?

Photo & Video: IBM

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3 Ways 3D Chip Tech Is Upending Computing

AMD, Graphcore, and Intel show why the industry’s leading edge is going vertical

8 min read
A stack of 3 images.  One of a chip, another is a group of chips and a single grey chip.
Intel; Graphcore; AMD

A crop of high-performance processors is showing that the new direction for continuing Moore’s Law is all about up. Each generation of processor needs to perform better than the last, and, at its most basic, that means integrating more logic onto the silicon. But there are two problems: One is that our ability to shrink transistors and the logic and memory blocks they make up is slowing down. The other is that chips have reached their size limits. Photolithography tools can pattern only an area of about 850 square millimeters, which is about the size of a top-of-the-line Nvidia GPU.

For a few years now, developers of systems-on-chips have begun to break up their ever-larger designs into smaller chiplets and link them together inside the same package to effectively increase the silicon area, among other advantages. In CPUs, these links have mostly been so-called 2.5D, where the chiplets are set beside each other and connected using short, dense interconnects. Momentum for this type of integration will likely only grow now that most of the major manufacturers have agreed on a 2.5D chiplet-to-chiplet communications standard.

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