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How to make a nanodrawing on a penny
TV crime shows are known for their “zoom and enhance” technique, but they’ve got nothing on Berkeley Lab’s Molecular Foundry.
They made these tiny drawings on the surface of a penny using a technique called photolithography, which uses light to print information on the microscopic nanoscale.
This is also how the microprocessors, the tiny and complex circuit chips embedded in all of our digital devices, are created.
If you need to draw something smaller than a wavelength of light, beams of atoms or electrons are used. The drawings on this penny are *quite* small and were made this way.
The phrase “molecular foundry,” the smallest drawing on the penny, was written using a beam of electrons.
The Berkeley Lab logo was created with a beam of charged gallium atoms.
It took 18 hours to draw Abraham Lincoln’s face (also, with a beam of gallium atoms).
And just to remind you how small this all is: here’s a penny (roughly to scale).
Be sure to check out the 5 nanoscience research projects that could deliver big results.
from Tumblr http://ift.tt/2aS28th
via IFTTT
How to make a nanodrawing on a penny
TV crime shows are known for their “zoom and enhance” technique, but they’ve got nothing on Berkeley Lab’s Molecular Foundry.
They made these tiny drawings on the surface of a penny using a technique called photolithography, which uses light to print information on the microscopic nanoscale.
This is also how the microprocessors, the tiny and complex circuit chips embedded in all of our digital devices, are created.
If you need to draw something smaller than a wavelength of light, beams of atoms or electrons are used. The drawings on this penny are *quite* small and were made this way.
The phrase “molecular foundry,” the smallest drawing on the penny, was written using a beam of electrons.
The Berkeley Lab logo was created with a beam of charged gallium atoms.
It took 18 hours to draw Abraham Lincoln’s face (also, with a beam of gallium atoms).
And just to remind you how small this all is: here’s a penny (roughly to scale).
Be sure to check out the 5 nanoscience research projects that could deliver big results.
from Tumblr http://ift.tt/2aS28th
via IFTTT
