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Materials Science
Results 861 - 873 of 873.
Using rust and water to store solar energy as hydrogen
Scientists are producing hydrogen from sunlight, water and rust. They're paving the way for an economic and ecological solution for storing renewable energy. How can solar energy be stored so that it can be available any time, day or night, when the sun shining or not? EPFL scientists are developing a technology that can transform light energy into a clean fuel that has a neutral carbon footprint: hydrogen.
Scientists are producing hydrogen from sunlight, water and rust. They're paving the way for an economic and ecological solution for storing renewable energy. How can solar energy be stored so that it can be available any time, day or night, when the sun shining or not? EPFL scientists are developing a technology that can transform light energy into a clean fuel that has a neutral carbon footprint: hydrogen.
Composite Materials Will Lead to Greener Cars
The use of composite materials is rapidly entering into the automotive industry thanks to a technique developed by a spin-off. This technique promises lighter cars that burn less fuel and, consequently, emit less CO2. In 2013, we may see car bumpers, doors, and frames made from composite materials, which are engineered or naturally occurring materials such as fiberglass made from two or more constituents with different physical or chemical properties.
The use of composite materials is rapidly entering into the automotive industry thanks to a technique developed by a spin-off. This technique promises lighter cars that burn less fuel and, consequently, emit less CO2. In 2013, we may see car bumpers, doors, and frames made from composite materials, which are engineered or naturally occurring materials such as fiberglass made from two or more constituents with different physical or chemical properties.
A solar sandwich to power future buildings
All in one: A new electricity generating building component is being developed.
All in one: A new electricity generating building component is being developed.
Bridges get a quick check-up
Engineers have developed a new imaging technique that lets them see the insides of massive concrete bridges. Much like a sonogram, this technique provides quick, easy-to-interpret images, so that the health of these expensive structures can be assessed and monitored. The patient weighs several tons and is hundreds of meters long.
Engineers have developed a new imaging technique that lets them see the insides of massive concrete bridges. Much like a sonogram, this technique provides quick, easy-to-interpret images, so that the health of these expensive structures can be assessed and monitored. The patient weighs several tons and is hundreds of meters long.
How to turn leaves into solar panels
Photovoltaic panels made from plant material could become a cheap, easy alternative to traditional solar cells. An entirely novel approach to photovoltaics has been developed. By taking the very protein in plants that allows for photosythesis and engineering it to produce electrical current, researcher Andreas Mershin has opened the door for potentially cheap and easy to reproduce solar energy.
Photovoltaic panels made from plant material could become a cheap, easy alternative to traditional solar cells. An entirely novel approach to photovoltaics has been developed. By taking the very protein in plants that allows for photosythesis and engineering it to produce electrical current, researcher Andreas Mershin has opened the door for potentially cheap and easy to reproduce solar energy.
Protective covering for implants
A new technology could prevent most breast implant rejections. So far, more than a quarter of all breast implants must be removed within four years, because neighboring tissues develop a rigid envelope of fibrous tissue to protect themselves from the foreign body. A company has developed a protective covering made up of a nanostructured surface and a layer of collagen that will prevent the body from rejecting the implant.
A new technology could prevent most breast implant rejections. So far, more than a quarter of all breast implants must be removed within four years, because neighboring tissues develop a rigid envelope of fibrous tissue to protect themselves from the foreign body. A company has developed a protective covering made up of a nanostructured surface and a layer of collagen that will prevent the body from rejecting the implant.
Unscratchable gold
Scientists have created 18-karat gold that's harder than tempered steel and virtually unscratchable.
Scientists have created 18-karat gold that's harder than tempered steel and virtually unscratchable.
Touchscreen with texture
Researchers have invented a new generation of tactile surfaces with relief effects - users can feel actual raised keys under their fingers.
Researchers have invented a new generation of tactile surfaces with relief effects - users can feel actual raised keys under their fingers.
Solar cells break a new record
Dye-sensitized Grätzel solar cells have just set a new efficiency benchmark. By changing the composition and color of the cells, an EPFL team has increased their efficiency to more than 12%.
Dye-sensitized Grätzel solar cells have just set a new efficiency benchmark. By changing the composition and color of the cells, an EPFL team has increased their efficiency to more than 12%.
A faster, cheaper method for making transistors and chips
It may soon be possible manufacture the miniscule structures that make up transistors and silicon chips rapidly and inexpensively. EPFL scientists are currently investigating the use of dynamic stencil lithography, a recent but not yet perfected method, for creating nanostructures. Faster, less expensive, and better.
It may soon be possible manufacture the miniscule structures that make up transistors and silicon chips rapidly and inexpensively. EPFL scientists are currently investigating the use of dynamic stencil lithography, a recent but not yet perfected method, for creating nanostructures. Faster, less expensive, and better.
The tarte tatin throws a new light on photovoltaics
Manufacturing solar cells that are one thousand times thinner than conventional cells. That is the challenge the researchers have set for themselves.
Manufacturing solar cells that are one thousand times thinner than conventional cells. That is the challenge the researchers have set for themselves.
Memory breakthrough for the first time
For the first time, scientists have demonstrated that a relatively new memory technology, known as phase-change memory (PCM), can reliably store multiple data bits per cell over extended periods of time. This significant improvement advances the development of low-cost, faster and more durable memory applications for consumer devices, including mobile phones and cloud storage, as well as high-performance applications, such as enterprise data storage.
For the first time, scientists have demonstrated that a relatively new memory technology, known as phase-change memory (PCM), can reliably store multiple data bits per cell over extended periods of time. This significant improvement advances the development of low-cost, faster and more durable memory applications for consumer devices, including mobile phones and cloud storage, as well as high-performance applications, such as enterprise data storage.
Graphene: a promising material
Graphene is a promising material for tomorrow's nanoelectronics devices, as reported myScience.ch earlier . Precise and upscaleable methods to fabricate graphene and derived materials with desired electronic properties are however still searched after. To overcome the current limitations, researchers have fabricated graphene-like materials using a surface chemical route and clarified in detail the corresponding reaction pathway.
Graphene is a promising material for tomorrow's nanoelectronics devices, as reported myScience.ch earlier . Precise and upscaleable methods to fabricate graphene and derived materials with desired electronic properties are however still searched after. To overcome the current limitations, researchers have fabricated graphene-like materials using a surface chemical route and clarified in detail the corresponding reaction pathway.
Economics - Today
Sensory Supermarket event to help businesses make public spaces more inclusive for autistic people
Sensory Supermarket event to help businesses make public spaces more inclusive for autistic people
Physics - Today
New Prime Minister must lift existing barriers if nuclear energy is to help meet net zero target - new report
New Prime Minister must lift existing barriers if nuclear energy is to help meet net zero target - new report
Agronomy - Aug 11
Scientists launch new interactive tool for agricultural water management and climate risk assessment
Scientists launch new interactive tool for agricultural water management and climate risk assessment

Art - Aug 11
UC San Diego Library and San Diego Natural History Museum Collaborate to Raise Awareness
UC San Diego Library and San Diego Natural History Museum Collaborate to Raise Awareness
Health - Aug 11
Meet Dr. Brookie Best, Dean of the Skaggs School of Pharmacy and Pharmaceutical Sciences
Meet Dr. Brookie Best, Dean of the Skaggs School of Pharmacy and Pharmaceutical Sciences
Social Sciences - Aug 11
Inclusive play: University of Toronto researcher studies the playground experiences of children with disabilities
Inclusive play: University of Toronto researcher studies the playground experiences of children with disabilities

Career - Aug 10
Analysis: Furlough had a protective effect on mental health - but it wasn't as good as working
Analysis: Furlough had a protective effect on mental health - but it wasn't as good as working

Social Sciences - Aug 10
From fixer to reporter: After escaping the Taliban, University of Toronto's Jalal Nazari is on his way to becoming a journalist
From fixer to reporter: After escaping the Taliban, University of Toronto's Jalal Nazari is on his way to becoming a journalist

Environment - Aug 10
U-M study: Local renewable energy employment can fully replace U.S. coal jobs nationwide
U-M study: Local renewable energy employment can fully replace U.S. coal jobs nationwide