Breathable Gore-Tex waders provide ventilation when hiking along the water, but do not provide flotation in the event of slipping or falling into deep water.

It is often referred to as " visco-elastic " polyurethane foam, or low-resilience polyurethane foam ( see LRPu ).

Optical tweezers have also been used to probe the cytoskeleton, measure the visco-elastic properties of biopolymers, and study cell motility.

Most of these polysaccharides exhibit interesting and very useful visco-elastic properties when dissolved in water at very low levels.

The key principle of plate tectonics is that the lithosphere exists as separate and distinct tectonic plates, which ride on the fluid-like ( visco-elastic solid ) asthenosphere.

The typical mattress sold in North America today is an innerspring ; however interest in all-foam beds and so-called hybrid beds — which include an innerspring plus high-end foams, such as visco-elastic or latex, in the comfort layers — is increasing.

The ink developed for the Fisher space pen is a visco-elastic, thixotropic ink, with a consistency similar to that of very thick rubber cement, flows as a result of the shearing action of the rolling ball in its socket.

His original contributions include the discovery of the phenomenon of delayed separation in Non-Newtonian fluids, an original experimental discovery of the presence of dual wakes behind spheres moving in elastic liquids, anomalous wake formation in liquid drops and a new concept of " elastic boundary layer " to explain some anomalous visco-elastic flows.

Slowing the plotting speed will allow the lines drawn by a worn-out pen to remain dark, but the fading will continue until the foam is completely depleted.

In the solution, active yeast will foam and bubble as it ferments the sugar into ethanol and carbon dioxide.

Secondly, unless it has been built with buoyant foam or air tanks, if a monohull fills with water, it will sink.

Hand-washing dish detergent ( washing up liquid ) should not be used in a dishwasher, as it will create a large foam of bubbles which will leak from the dishwasher.

If an attacker is sprayed in the face he will be temporarily blinded by the foam.

Installing a continuous layer of rigid foam insulation on the exterior side of the wall sheathing will interrupt thermal bridging through the studs while also reducing the rate of air leakage.

Typically pyramidal RAM will comprise a rubberized foam material impregnated with controlled mixtures of carbon and iron.

The exact absorption profile of a porous open cell foam will be determined by a number of factors including the following:

Copper contamination from the bowl is minimal, as a cup of foam will contain a tenth of one's daily normal intake level.

The song Hent-eon ( foam path ) describes the wish of a man from Lesconil to be buried in such a path so that he will be watched over by nature.

Some US Military aircraft still use Nitrogen based foam inerting systems, and some companies will ship containers of fuel with an ullage system across train routes.

With the higher density foam at the top this will prevent the climber's foot from sinking through the foam and either gaining impact on the ground or getting a foot stuck in the mat which would increase the chance of injury.

Once the vacuum reaches ( at sea level ) of mercury, the material will begin to rise ( resembling foam ).

The Ares I second stage, on the other hand, will only use the spray-on insulation foam currently used on the current ET.

Tell-tale signs of such eventual related damage are a white foam that appears on the inside of the oil filler cap and the gradually increasing loss of antifreeze coolant ( due to seepage into the intake passages which will lead to engine lock up failure in such cases ).

The end of the core should also be covered or surrounded by a rip resistant material such as a tightly taped small foam box, a layer of strong mesh tape, or some yoga matt that will prevent the core ( which will whip back and forth ) from sliding around the punch protector.

As the bubbles increase near the top of the protein skimmer water column, they become denser and the water begins to drain and create the foam that will carry the organic molecules to the skimmate collection cup or to a separate skimmate waste collector and the organic molecules, and any inorganic molecules that may have become bound to the organic molecules, will be exported from the water system.

" True " lifejackets always provide more buoyancy than buoyancy aids and the positioning of the buoyancy on the wearer's torso is such that a righting moment ( rotational force ) is developed that will eventually float most persons ( for example unconscious ) who are face down into a FACE UP attitude with their bodies inclined backward, unlike common foam buoyancy vests ( which are simply swimmers ' aids, really since they don't generate re-righting moment forces.

The next arch will often be wraparounds, usually made of a soft cloth, or closed cell foam material.

For added comfort some of the Italian designed sandals have foam padded cushioning.

And in meeting the demands for urethane foam as a garment interlining, new adhesives and new methods of laminating foam to a substrate have been developed.

The markets that have started to open up for the foam in the past year or so seem to justify the expectations.

The higher-density urethane semi-rigid foams usually have stronger flex fatigue resistance, i.e., the 12 lb. / cu. ft. foam has 8 times the flexural strength of the 3 lb. / cu. ft. density.

People have even made their own boats or watercraft out of materials such as foam or plastic, but most homebuilts today are built of plywood and either painted or covered in a layer of fibreglass and resin.

The resulting tea would be covered by a layer of foam or froth and the tea would have a light foamy feel to the taste.

In recent years, attempts have been made to introduce fencing to a wider and younger audience, by using foam and plastic swords, which require much less protective equipment.

Thickening agents such as Styrofoam, baking soda, tar, strips of tyre tubing, blood, XPS foam, egg whites, motor oil, rubber cement, and dish soap have been added to help the burning liquid adhere to the target and create clouds of thick, choking smoke.

There have been continued experiments with aluminum, composite honeycomb, foam and resin to change, or substitute, the standard wood core.

Kenneth Tynan ridiculed Leigh's performance opposite Olivier in the 1955 production of Titus Andronicus, commenting that she " receives the news that she is about to be ravished on her husband's corpse with little more than the mild annoyance of one who would have preferred foam rubber.

) Physicists have not found any natural process which would be predicted to form a wormhole naturally in the context of general relativity, although the quantum foam hypothesis is sometimes used to suggest that tiny wormholes might appear and disappear spontaneously at the Planck scale, and stable versions of such wormholes have been suggested as dark matter candidates.

Following the success of STS-121, all subsequent missions have been completed without major foam problems, and the construction of ISS nears completion ( during the STS-118 mission in August 2007, the orbiter was again struck by a foam fragment on liftoff, but this damage was minimal compared to the damage sustained by Columbia ).

Most cables have a solid dielectric ; others have a foam dielectric that contains as much air as possible to reduce the losses.

I would walk and hitch and sail away from this dark city to the bright spaces of the wet west coast, and there throw myself into the tall, glittering seas beyond Iona ( with its cargo of mouldering kings ) to let the gulls and seals and tides have their way with my remains, and in my dying moments look forward to an encounter with Staffa ’ s six-sided columns and Fingal ’ s cave ; or I might head south to Corryvrecken, to be spun inside the whirlpool and listen with my waterlogged deaf ears to its mile-wide voice ringing over the wave-race ; or be borne north, to where the white sands sing and coral hides, pink-fingered and hard-soft, beneath the ocean swell, and the rampart cliffs climb thousand-foot above the seething acres of milky foam, rainbow-buttressed.

Some have more resonance than others, and the best method of producing the clearest sound is to hang the drum with nylon cord or to place it on foam.

However, silicone-foam firestops have been the subject of controversy and press attention due to smoke development from pyrolysis of combustible components within the foam, hydrogen gas escape, shrinkage, and cracking.

Vacuum flasks are commonly made of metal, glass, foam, or plastic, and have their opening stoppered with cork or plastic.

Some fire engines have been equipped with injectors for mixing foam into the pumped water stream creating a foam solution that is more effective than water alone.

Some modern apparatus have included an air pump alongside foam injection to produce a compressed air foam product that further increases the efficiency of the water stream, cutting down dramatically on extinguishing time and water damage.