Sentences with phrase «of aerogels»

Contributing to this global effort, the NUS team has successfully pioneered the development of aerogels using cotton fibres harvested from textile waste.

«We think comets are made of interstellar grains, perhaps formed around millions of stars in the Milky Way,» Brownlee says as he handles a piece of aerogel.

When Stardust approaches Wild 2 in a few months, the spacecraft will raise a tray of ice - cube - size chunks of aerogel on an arm shaped like a tennis racket.

Much larger cubes of aerogel are 205 million miles from Earth, flying aboard a remarkable NASA spacecraft called Stardust.

Dunlop and Head, two major racket manufacturers, are also touting the use of aerogel — the incredibly low - density solid that NASA used to collect comet particles as part of its Stardust mission — in their latest models.

Researchers posted microscopic scans of the aerogel online and enlisted citizen scientists to help search for cone - shaped cosmic dust tracks.

The Stardust spacecraft used giant tiles made out of aerogel and aluminium foil to collect the dust samples.

It's full of aerogel, one of the best insulators in the world.

Not exact matches

A multi-wavelength, high - contrast contact radiography system for the study of low - density aerogel foams

Brownlee says this chunk of almost - nothing is called aerogel and that a piece of it the size of a person would weigh less than a pound.

When Stardust flashes past, dust shed from the comet will strike the aerogel at a speed some six times that of a rifle bullet.

Earlier, in 2000 and 2002, the craft positioned aerogel collectors on the opposite side of the arm to snare particles of interstellar dust, suspected to be as small as one - tenth the size of comet grains.

After years of testing — aerogel flew to the space station Mir and in the open cargo bay of the space shuttle — Tsou was ready to propose the Stardust mission.

A research team led by Associate Professor Hai Minh Duong (left) and Professor Nhan Phan - Thien from the Department of Mechanical Engineering at National University of Singapore's Faculty of Engineering has devised a fast, cheap and green method to convert fashion waste into highly compressible and ultralight cotton aerogels.

While we have demonstrated novel application of the cotton aerogels for effective haemorrhage control and heat insulation, we will continue to explore new functions for this advanced material,» said Assoc Prof Duong.

The samples in Elsila's study came from four squares of aluminium foil, each about 1 centimetre across, that sat next to a lightweight sponge - like «aerogel» that was designed to capture dust from the comet's atmosphere, or coma.

«The heat insulation property of the novel cotton aerogels can be applied to various consumer products, such as cooler bags to keep food items fresh.

To address these limitations, NUS researchers developed highly compressible hybrid cotton aerogel pellets which are more effective than cellulose - based sponges for treatment of deep haemorrhagic wounds.

The thermal jacket, which weighs about 200 grams, consists of a cotton aerogel layer embedded within commonly used fabrics to provide heat insulation.

A research team from the National University of Singapore (NUS) Faculty of Engineering has successfully devised a fast, cheap and green method to convert cotton - based fabric waste, such as unwanted clothing, into highly compressible and ultralight cotton aerogels.

Led by Associate Professor Hai Minh Duong and Professor Nhan Phan - Thien from the Department of Mechanical Engineering at NUS Faculty of Engineering, the research team discovered that the novel cotton aerogels can be easily compressed, and they can also very quickly recover up to 97 per cent of their original size when placed in water.

The unique morphology of the cotton aerogels allows for a larger absorption capacity, while the compressible nature enables the material to expand faster to exert pressure on the wound,» added Assoc Prof Duong.

Coated with Trimethoxy - methylsilane (MTMS), the aerogels are water repellent and are capable of absorbing oil (excluding water) up to 90 times their dry weight, making them up to four times more effective than commercial oil sorbents.

A research team from the National University of Singapore's (NUS) Faculty of Engineering has achieved a world's first by successfully converting paper waste into green cellulose aerogels that are non-toxic, ultralight, flexible, extremely strong and water repellent.

Elaborating on the potential application of the cellulose aerogels, Asst Prof Duong said, «Oil spills are serious disasters that threaten marine ecosystems.

This is done by infusing the fibres of the cellulose aerogels with a solution of metallic nanoparticles.

Another important application of the novel cellulose aerogels is to serve as insulation materials for buildings.

The NUS team has also discovered a way of expanding the weight capacity of the cellulose aerogels.

In addition to low thermal conductivity, these novel aerogels have several unique features, one of which is super high oil absorption capacity — it is up to four times higher than commercial sorbents available in the market.

«Aerogels, which are among the lightest solid materials known to man, are one of the finest insulation materials available.

Traditional aerogels are mainly made of silica, which is not environmentally - friendly.

MTMS - uncoated cellulose aerogels are hydrophilic, thus they can also absorb and retain huge volumes of polar fluids such as water and alcohol.

Our novel cellulose aerogels therefore serve as an attractive alternative to current methods of oil spill cleaning, which has a potential market size of US$ 143.5 billion.»

Scientists estimate that Stardust collected 45 of these micron - sized interstellar dust particles using an aerogel collector 1,000 square centimeters in size.

They also put the aerogel in a circuit with an LED and found it could potentially work as a component of a flexible device.

The team used a bidirectional freezing technique that they previously developed to assemble a new type of biomimetic graphene aerogel that had an architecture like that of the plant's stem.

Now, researchers report in ACS Nano that mimicking the structure of the «powdery alligator - flag» plant has enabled them to make a graphene - based aerogel that meets these needs.

To create a better aerogel for potential incorporation into bendable electronics, Bai and colleagues took inspiration from the stem structure of the powdery alligator - flag plant (Thalia dealbata), a strong, lean plant capable of withstanding harsh winds.

Analysis of seven particles captured by aerogel and foil reveals diverse characteristics not conforming to a single model.

Citizen scientists identified most of the 71 tracks where particles were caught in the aerogel, and scanning electron microscopy revealed 25 craterlike features where particles punched through the foil.

A ring image Cerenkov counter analyzes the spray of light given off by particles as they crash through a porous material called an aerogel; that light reveals the particles» speed before their final collision into the energy - measuring electromagnetic calorimeter — a lead brick laced with optical fibers.

It also harvested tiny bits of the comet itself in a tennis racket - shaped collector carrying an ice cube tray - like device filled with the lightest - weight, lowest - mass solid known: aerogel.

Wernery calculates that at today's market price for aerogel, a single square metre of a brick wall would generate additional costs of around 500 francs.

Empa researchers have now replaced Perlite in insulating bricks with Aerogel: a highly porous solid with very high thermal insulation properties that can withstand temperatures of up to 300 °C (see box).

The aerogel collector also gathered microscopic interstellar dust that may have traveled from other galaxies, which could offer researchers a glimpse of the nuclear reactions in distant stars.

The researchers made an aerogel (a low - density solid) out of nanotubes, and found that in was as strong as steel.

One day, Union College's Aerogel Team's novel way of making «frozen smoke» could improve some of our favorite machines, including cars.

The spacecraft will fly into the comet's tail and catch particles in a gel called aerogel, which is mounted on the panels of the spacecraft.

Led by Yuehe Lin, professor in the School of Mechanical and Materials Engineering, the researchers used inexpensive metal to make a super low density material, called an aerogel, to reduce the amount of precious metals required for fuel cell reactions.

The formation of ultralow - density microcellular diane - formaldehyde gels and aerogels (2016) Polymer Science - Series B, 58 (2), pp. 173 - 182.