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Microtechnics/Electroengineering
28.07.2015
Kleiner, schneller, billiger
Kleiner, schneller, billiger
Zur schnellen Übertragung von grossen Datenmengen über Glasfaserkabel, wie sie das Internet erfordert, braucht man leistungsfähige Modulatoren, die elektrische Signale in optische umwandeln.
Mechanical Engineering/Mechanics - Microtechnics/Electroengineering
03.07.2015
Schallisolierung mithilfe von Quantenphysik
Schallisolierung mithilfe von Quantenphysik
Dass der Weg von der abstrakten Theorie zur handfesten Anwendung nicht immer weit sein muss, zeigten Sebastian Huber und Kollegen.
Microtechnics/Electroengineering - Physics/Materials Science
12.06.2015
Ein neuer, überraschender Magnetowiderstand
Ein neuer, überraschender Magnetowiderstand
Vor über 150 Jahren entdeckte William Thomson, der spätere Lord Kelvin, den magnetoresistiven Effekt, mit dessen Hilfe heute Sensoren die Autoraddrehzahl messen oder die Kompassnavigation und Robotersteuerungen ermöglichen. Jetzt haben ETH-Materialwissenschaftler eine neue Art Magnetowiderstand gefunden, der weitere Erkenntnisse in der Grundlagenforschung verspricht und sich dereinst vielleicht auch praktisch anwenden lässt.
Microtechnics/Electroengineering - Mechanical Engineering/Mechanics
05.06.2015
Auf der Nanoskala Sektorwände versetzen
Auf der Nanoskala Sektorwände versetzen
Wissenschaftler der ETH Zürich können die magnetische und elektrische innere Ordnung einer intensiv erforschten Materialklasse, den Multiferroika, sichtbar machen und gezielt verändern. Dies öffnet Türen für vielversprechende elektronische Anwendungen. Speziell interessieren sich die Forschenden für die Wände der geordneten Bereiche.
Microtechnics/Electroengineering
09.03.2015
Light That Adapts to Your Needs Through the Eye of a Camera
Light That Adapts to Your Needs Through the Eye of a Camera
Researchers have developed a camera that sees like the human eye, providing clues about the sensation of visual comfort. The instrument could optimize natural and artificial lighting to constantly adapt to the needs of the user. How can we combine visual comfort with electrical energy savings? Light inside the home is a theme that has interested researchers for over a half century.
Microtechnics/Electroengineering - Physics/Materials Science
06.03.2015
Heat Waves in Graphene
Heat Waves in Graphene
EPFL researchers have shed new light on the fundamental mechanisms of heat dissipation in graphene and other two-dimensional materials. They have shown that heat can propagate as a wave over very long distances. This is key information for engineering the electronics of tomorrow. In the race to miniaturize electronic components, researchers are challenged with a major problem: the smaller or the faster your device, the more challenging it is to cool it down.
Computer Science/Telecom - Microtechnics/Electroengineering
04.03.2015
Kids and robots learn to write together
Kids and robots learn to write together
Who is the teacher: the student or the machine? By showing a robot how to write letters, children improve their writing skills and gain self-­-confidence.
Astronomy - Microtechnics/Electroengineering
20.02.2015
SwissCube's longevity marks its success
SwissCube's longevity marks its success
Launched more than five years ago, the small Swiss satellite designed by EPFL and several other Universities of Applied Sciences, will soon have orbited the Earth 30'000 times.
Microtechnics/Electroengineering - Life Sciences
17.02.2015
Spannungsprüfer für schlagende Herzzellen
Spannungsprüfer für schlagende Herzzellen
Wissenschaftlern gelang es erstmals, den Strom durch Membrankanäle in schlagenden Herzmuskelzellen zu messen. Dazu kombinierten sie ein Rasterkraftmikroskop mit einem breit eingesetzten Verfahren zur Messung von elektrischen Signalen in Körperzellen. Elektrische Impulse spielen in Körperzellen eine wichtige Rolle.
Microtechnics/Electroengineering - Life Sciences
28.01.2015
Electronic circuits with reconfigurable pathways closer to reality
Electronic circuits with reconfigurable pathways closer to reality
Multitasking circuits capable of reconfiguring themselves in real time and switching functions as the need arises - this is the promising application stemming from a discovery made at EPFL and published. Other potential uses: miniaturising our electronic devices and developing resilient circuits. Will it be possible one day to reconfigure electronic microchips however we want, even when they are in use? A recent discovery by a team at EPFL suggests as much.
Physics/Materials Science - Microtechnics/Electroengineering
19.01.2015
Graphene multiplies the power of light
Graphene multiplies the power of light
Could graphene turn light to electricity? Scientists have shown that graphene can convert a single photon into multiple electrons, showing much promise for future photovoltaic devices. Graphene is a material that has gathered tremendous popularity in recent years, due to its extraordinary strength and light weight.
Microtechnics/Electroengineering - Physics/Materials Science
12.10.2014
Useful for spintronics: Big surprises in a thin surface region
Useful for spintronics: Big surprises in a thin surface region
The need for ever faster and more efficient electronic devices is growing rapidly, and thus the demand for new materials with new properties. Oxides, especially ones based on strontium titanate (SrTiO 3 ), play an important role here. Researchers recently discovered that SrTiO 3 , although actually an insulator, can form a metallic layer on its surface, in which electric current can flow.
Microtechnics/Electroengineering - Physics/Materials Science
06.03.2014
Observed live with x-ray laser: electricity controls magnetism
Observed live with x-ray laser: electricity controls magnetism
Data on a hard drive is stored by flipping small magnetic domains. Researchers have now changed the magnetic arrangement in a material much faster than is possible with today's hard drives. The researchers used a new technique where an electric field triggers these changes, in contrast to the magnetic fields commonly used in consumer devices.
Physics/Materials Science - Microtechnics/Electroengineering
12.11.2013
Electrons with a split personality
Electrons with a split personality
Some electrons in a superconducting material behave as if they were in a conventional metal, others as in an unconventional one – depending on the direction of their motion. Understanding the origins of high-temperature superconductivity, the ability of some materials to conduct electricity without any resistance and therefore without loss of energy, is one of the most important quests of modern physics.
Microtechnics/Electroengineering
20.08.2013
Graphen leitet Strom nahezu verlustfrei
Graphen leitet Strom nahezu verlustfrei
Nanowissenschaftler konnte erstmals zeigen, dass das Kohlenstoffmaterial Graphen einen nahezu widerstandsfreien Stromtransport erlaubt. Dies ermöglicht neuartige Anwendungen des Materials in der Elektronik. Graphen besteht aus einer einzigen Lage von Kohlenstoffatomen, die wabenförmig miteinander verbunden sind.
Chemistry - Microtechnics/Electroengineering
02.08.2013
Kobalt statt Iod macht Solarzellen umweltfreundlicher
Kobalt statt Iod macht Solarzellen umweltfreundlicher
Forschende konnten in Farbstoffsolarzellen auf Kupferbasis das seltene Iod durch das weit häufigere Kobalt ersetzen. Damit gelingt ihnen ein weiterer Schritt in Richtung einer umweltfreundlichen Energiegewinnung. Farbstoffsolarzellen oder DSC (Dye-sensitized Solar Cells) verwandelt Licht in Elektrizität. Sie bestehen aus einem Halbleiter, auf dem ein Farbstoff verankert ist.
Microtechnics/Electroengineering - Business/Economics
04.12.2012
Neue Schweizer Photovoltaik-Kraftwerke in Südafrika
Neue Schweizer Photovoltaik-Kraftwerke in Südafrika
ABB hat Aufträge in Höhe von rund 225 Millionen US-Dollar für die Lieferung von zwei schlüsselfertigen Photovoltaik-Kraftwerken erhalten, die in der nördlichen Provinz Limpopo in Südafrika gebaut werden.
Physics/Materials Science - Microtechnics/Electroengineering
11.11.2012
Using rust and water to store solar energy as hydrogen
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.
Physics/Materials Science - Microtechnics/Electroengineering
07.11.2012
A Revolutionary Type of Gel
A Revolutionary Type of Gel
Controlling and modifying at will the transparency, electrical properties, and stiffness of a gel - such are the promises of a new discovery by physicists. This marks an important step for materials used in healthcare, high-tech, and the cosmetics industry. At the mention of gel, we immediately imagine extravagant hairstyles.
Microtechnics/Electroengineering - Environmental Sciences
22.10.2012
Lower Costs Thanks to Smart Plugs
Lower Costs Thanks to Smart Plugs
Residents of a new eco-development on the coast can better control and understand their energy usage, thanks to a system that allows outlets to communicate with each other through the power grid.
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