The basis for CFRP construction is provided by fine carbon fibres, ten times thinner than a human hair.

ENGADGET: Visualized: Mercedes-Benz SLS AMG E-Cell bares all

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.

FORBES: New Technique Creates First Plastic Solar Cell

The effect, which occurs thanks to a conducting fluid in which the yarns were dipped, could be put to use in motors much thinner than a human hair.

BBC: Nanotube yarns twist like muscles

The bigger screen is crammed into a chassis that's actually a hair narrower and thinner than the S III's.

WSJ: Review: Tech in Galaxy S 4 doesn't come together

The organisms are microscopic, thinner than a strand of human hair, but in large numbers they make seawater cloudy.

BBC: Seafarer science: Sailors asked to help measure plankton

While the iPad and its kin are making waves today, we can't wait to see the next generation of devices that implement Sony's new energy-efficient OLED displays, which are thinner than a strand of human hair.

ENGADGET: Inhabitat's Week in Green: electric cars, solar planes, and really sweet lights

One of the biggest complaints older women have about their hair is that it gets thinner.

WSJ: Old Hair Days: Products to Help Manage Gray and Thinning Hair

Self-adhesive electronics devices thinner than the diameter of a human hair can monitor the human heart, brain waves and muscle activity.

FORBES: Electronic Devices Packaged in Synthetic Skin

Scarcella's hair is still dark but thinner than in a black-and-white photo showing him leading away a handcuffed Ranta following the arrest in the rabbi case.

NPR: Retired Detective Defends Record In NYC Case

Lastly, the week saw the unveiling of the world's first fiber-optic solar cell, which is thinner than the width of a human hair and could pave the way to creating energy-producing clothes.

ENGADGET: Inhabitat's Week in Green: madder root batteries, sun-powered plane and the world's first fiber-optic solar cell