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Go through each of the 40 principles and spend some serious time considering how each could improve your process, product, or business. The TRIZ inventive principles 1 through 30 were described with illustrations in the last three weeks of the IdeaConnection newsletter.
We continue our exploration of these inventive principles starting with number 31] TRIZ Principle Porous materials involves making an object or system porous or adding porous elements.
If already porous, you use the pores to introduce a useful substance or function into the object. Use of holes to reduce weight, foams, transpiration film cooled structures, foam metals, Goretex fabric, wicking in clothing fabrics, dessicants in polystyrene packaging materials, medicated swabs and dressings, sensors embedded into cavities, controlled information flow, an Intranet accessible by all hierarchical layers in an organization, and empowered customer facing employees are some examples.
Cavity wall insulation is another example of the porous materials inventive principle. The color changes inventive principle could relate to the color of a product, object, or the surroundings. More recently, the use of colors to communicate a state of security alert is an example of the color changes inventive principle.
A relatively new polymer with spiropyran molecules added will undergo electrrocyclic ring-opening in response to a mechanical force.
The resulting ring-opened merocyanine molecules are brightly colored, producing red or purple hues in the polymer. What is interesting is that the spiropyran will undergo a force-induced reaction inside of the solid structural polymer, and this reaction occurs long before there is any damage to the solid polymers.
These polymers are of interest to materials scientists because they combine photo- thermo- and mechanochromic properties into a single system. Embedded mechanophores turn a rubbery polymer red just before it fails. They found that the membrane blocks nitrogen gas from flowing though it when ultraviolet light is shined on its surface—the dye molecules bend into a banana shape and the liquid crystals scatter into random orientations which blocks the gas from penetrating the membrane.
Conversely, the membrane permits gas to flow through it when purple light is shone onto the membrane because the dye molecules straighten and the gas can flow through the resulting holes. The technology of controlling membranes with light could have applications in cases where gas flow needs to be cycled on and off, such as for micro-scale apparatuses in hand-held chemical analyzers, medical equipment, or even nano-scale processes.
The wide range of inventions using the color changes inventive principle is also seen in a date rape straw, which changes color if it is immersed in a drink containing certain chemicals. Homogeneity involves making objects interact with a given object of the same material or materials with similar properties.
Affinity mapping, using local currency while traveling, compostable plant pots, ice cubes made from drink they will be used in, using materials with similar coefficients of expansion and conductivity, local currency, wooden dowel joints, and common data transfer protocols between two organizations are examples of this inventive principle.
Another example of the homogeneity inventive principle is making a diamond cutting tool out of diamonds.
Discarding and recovering involves making portions of an object or system go away after they have performed their useful function. Conversely, it could be restoring consumable parts of an object or their functionality during normal operations. Use of dry ice for sand blasting, dissolving capsules containing medicine, self-sharpening blades, self-tuning engines, autocatalytic chemical reactions, filters which are cleaned and re-used, disposable or dissolvable packaging, and temporary and seasonal employees are examples.
SharperBladeTM is a self-sharpening replacement blade for mulching and bag mowers.
It is a patented line of aerospace-grade polymer blades for both gas and electric lawn and garden equipment. Its application is to detect esophageal cancer or pre-cancerous cells with a tiny light source and sensors at the end of an endoscope.
The light scatters back from the nuclei of pre-cancerous cells in a different way than when aimed at healthy cells. This technology may also be suitable for checking for cancerous cells in other parts of the body such as the colon, trachea, cervix, and bladder.
NEC Avio Infrarred Technologies in Japan has developed a thermo mirror, which contains a built-in infrared sensor that measures the skin temperature simply by a person looking into it.
No physical contact is needed. This invention could be used in workplaces or public facilities to screen for people who have communicable diseases. Phase transition is the use of volume or other physical properties.He seems tired, relaxed, and happy in his reflections on THE SAND PEBBLES.
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5 days ago · America's Asian fleet reminded me of the movie Sand Pebbles, set in China in the s. Great acting with Steve McQueen, Candice Bergen, and others. And one of the finest movies about the personalities in the Navy, particularly as they collide with another culture. The Sand Pebbles is a American war film directed by Robert Wise in Panavision.
It tells the story of an independent, rebellious U.S. Navy machinist's mate,. Chatear en línea. Ver Pelicula The Sand Pebbles en Español Gratis