In 1964, he started a trading company that sourced human hair for making wigs.
This is equivalent to the apparent thickness of a human hair seen from two kilometres away.
Kate's hair alone took six weeks, each individual strand of real, ethically-sourced human hair inserted by hand.
"They're smaller than the diameter of a human hair, less than 100 microns in size, " explains Dr Lane.
The N95 blocks 95% of particles bigger than 0.3 microns, or one-three-hundredth the width of a human hair.
The basis for CFRP construction is provided by fine carbon fibres, ten times thinner than a human hair.
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They then implanted the microelectrodes, each about a tenth the diameter of a human hair, into the animals' brains.
The organisms are microscopic, thinner than a strand of human hair, but in large numbers they make seawater cloudy.
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"You're asking it to work on something one one-hundredth the thickness of a human hair, " says Chief Executive Kirlin.
Self-adhesive electronics devices thinner than the diameter of a human hair can monitor the human heart, brain waves and muscle activity.
During the 1970s they squeezed a stream of digital information into a fiber optic wire the width of a human hair.
The bottom layer has hundreds or thousands of tiny intersecting liquid-handling channels, each about the width of a human hair (100 microns).
Microprocessors in your PC, Mac or BlackBerry can pack more than 1, 000 transistors into a space the width of a human hair.
Chipmakers are getting on board now that wafer-circuitry has narrowed below 90 nanometers, or one one-thousandth the width of a human hair.
Instead of metal wires and silicon, these transistors are made of carbon tubes that are 70, 000 times smaller than a human hair.
In the mid-1980s the smallest features on chips were 1 or 2 microns wide, about one-hundredth the width of a human hair.
Whether it's individual clumps or full wefts, true human hair is available in beauty salons across the city, and selling very well.
These channels, which have a diameter of 50 microns (about the width of a human hair) are etched using standard silicon-fabrication methods.
Wizards at Lucent and Nortel can zap--in one second--6 trillion bits of information down a fiber strand the width of a human hair.
In the mid-1980s the smallest features on chips were 1 to 2 microns wide, about one hundredth the diameter of a human hair.
He predicted that within the next one or two years, microphones double the diameter of a human hair would be installed in mobile phones.
At that size, about 15 of the maps could be wrapped end to end long-ways around a strand of human hair, by our math.
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If we think in terms of nanometers, asheet of paper is about 100, 000 nanometers thick, and a human hair is approximately 80, 000 nanometers wide.
The total thickness of a completely plastic solar cell is in the range of one micrometer, which is 100 times thinner than a human hair.
As a onetime engineer for Sandia, he built microelectronic devices one-fourth the width of a human hair that were used to spy on the Kremlin.
Threaded on a wire one-fifth the thickness of a human hair, these tiny seeds of light can be injected to activate special networks of light-sensitive neurons.
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The membrane is 38 microns thick, or a third as thick as a human hair, yet it can withstand pressure of 400 pounds per square inch.
Gold flecks are durable enough to carry a large amount of a given drug, and 5, 000 flecks can fit on the width of a human hair.
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Capable of resolutions better than 0.1mm - the diameter of a human hair - it allows archaeologists to carefully examine material while still encased in soil.
In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.
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