Sentences with phrase «diameter of a human hair»

Particles less than 2.5 micrometers in diameter (PM2.5) pose the greatest health risks due to their small size (1 / 30th diameter of a human hair and not visible to the human eye), is created from combustion from cars, power plants, forest fires and others.

Even at temperatures below -400 degrees Fahrenheit, the backplane is steady down to 32 nanometers, or less than a thousandth the diameter of a human hair.

«That means things that are smaller than the diameter of a human hair, like cells, parts of cells or the fine structure of fibers.»

Ghim Wei Ho, a graduate student at Cambridge University, has created a garden of nanoflowers, lifelike bouquets of silicon carbide whose individual «blooms» span just one - thousandth the diameter of a human hair.

A nanometer is less than 1/1, 000 the size of a red blood cell and about 1/20, 000 the diameter of a human hair.

The rolling motion is initiated once the microparticles achieve a minimum size of six micrometres, which is 1/10 the diameter of a human hair.

Pictured here: A microlaser, roughly the diameter of a human hair, counts individual nanoparticles as they land on a ring.

The organisms were only 1 to 2 micrometers in diameter — about one - hundredth the diameter of a human hair!

The high refractive index of silicon makes optical structures the size of a fraction of the diameter of a human hair possible.

The discovery follows years of groundbreaking work by Arnold, who in 1995 discovered that an optical fiber could excite what he termed Whispering Gallery Mode (WGM) in polymer micro-beads less than one - third the diameter of a human hair.

Late last week, the lander's optical microscope obtained the most magnified view of Martian soil ever, resolved down to less than one tenth the diameter of a human hair.

They can adjust the mirror segments through extremely minute movements of each segment's seven actuators (tiny mechanical motors)-- in steps of about 1/10, 000 th the diameter of a human hair.

They also tracked Apolipoprotein E (APOE 4), a well - known genetic risk factor for Alzheimer's, as well as lifetime cumulative exposure to unhealthy levels of PM2.5 — particles which are at least 30 times smaller than the diameter of a human hair and frequently cause the haze over urban areas.

The electro - optical converter consists of two parallel gold electrodes of about 29 µm in length, which is one third of the diameter of a human hair.

This is because the etching is only 10 to 20 micrometers deep — a layer as thin as a quarter of the diameter of human hair.

Even the briefest increase in airborne fine particulate matter PM2.5, pollution - causing particles that are about 3 % of the diameter of human hair, is associated with the development of acute lower respiratory infection (ALRI) in young children, according to newly published research.

One particle is only 500 nanometers in size, which is 150 times smaller than the diameter of a human hair.

Even the briefest increase in airborne fine particulate matter PM2.5, pollution - causing particles that are about 3 percent of the diameter of human hair, is associated with the development of acute lower respiratory infection (ALRI) in young children, according to newly published research.

The cylinders contain sheets of plastic membranes wrapped around a central pipe, and the membranes are stippled with pores less than a hundredth the diameter of a human hair.

The material Professor Barber tested was almost 100 times thinner than the diameter of a human hair so the techniques used to break such a sample have only just been developed.

One of the most widely used methods in this field is called «DNA origami» which allows to fabricate nanoparticles with almost arbitrary shapes, which are around a thousand-fold smaller than the diameter of a human hair.

«This breakthrough depended on the ability of Carnegie's NanoSIMS ion probe to measure incredibly low levels of carbon, on objects that are the diameter of a human hair,» said Hauri.

They found that the organisms — which are about 1 / 100th the diameter of a human hair — build a complete calcium carbonate shell within six hours, about 12 hours after fertilization.

In the center is a hole poked through the metal layer with a diameter of about 300 nanometers — about 1,000 times smaller than the diameter of a human hair.

Intrigued, the team shifted its attention to pectin and ultimately created a thin, transparent flexible film of pectin and water, which can be as little as 20 micrometers thick (equivalent to the diameter of a human hair).

A one - ounce piece can be beaten into a translucent sheet five - millionths of an inch thick or drawn out into 50 miles of wire five micrometers thick — one - tenth the diameter of a human hair.

«Imagine a flexible space shield, roughly the diameter of a human hair that could protect against dehydration and radiation.»

This marriage of optics and microelectronics has already produced useful lenses one fortieth the thickness of this page and arrays of 10,000 telescopes each the diameter of a human hair

This thermal ratchet is made from a material known as «artificial spin ice» which comprises of a number of tiny nanomagnets — made of the nickel - iron alloy Permalloy and which are 200 times smaller than the diameter of a human hair.

«It's like aiming a laser pointer continuously for two minutes at a dot the diameter of a human hair from 30 feet away while you're walking,» explained OPALS systems engineer Bogdan Oaida of JPL.

The Stanford algorithm designs silicon structures so slender that more than 20 of them could sit side - by - side inside the diameter of a human hair.

The team looked instead at tiny blood vessels, about half the diameter of a human hair, within the rib of an Early Jurassic Lufengosaurus specimen.

Focusing the machine's full output into a spot of only 100 nanometers in size, the team generated an X-ray beam with intensity equivalent to all of the sun's radiation that is striking Earth's surface but concentrated in an area with the diameter of a human hair.

After the researchers analyzed the inclusions — each just 15 to 40 microns wide, or one - sixth to two - fifths of the diameter of a human hair — they found the inclusions contained the entire range of minerals one would expect of a volcanic rock called basalt that originally formed at the planet's surface and then crystallized under extreme high pressures and temperatures.

Carbon nanotubes are tiny cylinders of carbon atoms, one nanometer in diameter (1/10, 000 the diameter of a human hair).

Although the tiny particles are around ten thousand times smaller than the diameter of a human hair, the surface area of a kilogram of such particles is equivalent to that of several football fields.

At the Advanced Photon Source, Stock and his team shined the pencil - shaped X-ray beam (about twice the diameter of a human hair) on areas of high - density in the mummy that were identified by the CT scan.

For example, using a specially developed patterning technique, they wrote the word, «ICE,» on the material in a physical space 10 times smaller than the diameter of a human hair.

Its diameter is approximately 10,000 times smaller than the diameter of a human hair.

The largest human cells are about the diameter of a human hair, but most human cells are smaller — perhaps one - tenth of the diameter of a human hair.

Each machine is a hollow, plastic ball just one one - hundredth the diameter of a human hair.

According to David Reitze, executive director of LIGO and a Caltech research professor, the degree of precision achieved by Advanced LIGO is analogous to being able to measure the distance between our solar system and the sun's nearest neighbor Alpha Centauri — about 4.4 light - years away — accurately to within a few microns, a tiny fraction of the diameter of a human hair.

These particles are smaller than the diameter of a human hair but frequently caused haze in the cities.

Alpha decays within this inclusion caused it to expand significantly, radially fracturing the surrounding zircon that was ten times the diameter of a human hair.

During observing, a computer - controlled system of sensors and actuators adjusts the position of each segment - relative to its neighbors - to an accuracy of four nanometers, about the size of a few molecules, or about 1/25, 000 the diameter of a human hair.

Its diameter is approximately ten thousand times smaller than the diameter of a human hair.

Individual nanotubes can be 10,000 times smaller than the diameter of a human hair, yet 100 times stronger than steel, pound - for - pound

This produces nanowire filaments that are a thousand times thinner than the diameter of a human hair, typically about 300 nanometres or less.

ALMA achieved an extremely high surface accuracy below 25 microns, which is equivalent to a third of the diameter of a human hair.

THIRTY YEARS AGO, Gerd Binnig, Christoph Gerber and Calvin Quate began developing a device that would enable us to see features smaller than one nanometer — less than 1/50, 000 the diameter of a human hair and far smaller than any traditional microscope could manage.