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Mapping electromagnetic waveforms

Novel electron microscope can visualize electromagnetic fields oscillating at frequencies of billions of cycles per second


Temporally varying electromagnetic fields are the driving force behind the whole of electronics. Their polarities can change at mind-bogglingly fast rates, and it is difficult to capture them in action. However, a better understanding of the dynamics of field variation in electronic components, ...


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A signal boost for molecular microscopy

Cavity-enhanced Raman-scattering reveals information on structure and properties of carbon nanotubes


Carbon nanotubes can be produced with a variety of shapes and properties and are therefore of much interest for widespread applications in fields as diverse as electronics, photonics, nanomechanics, and quantum optics. Hence it is important to have a tool at hand that allows to determine these ...


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A protein showcases modern measuring and control technology

A dual sensing protein establishes robust control of calcium household in bacteria


Modern heating systems use an indoor and an outdoor sensor in order to efficiently achieve homely temperatures. Now a team of scientists from the Technical University of Munich (TUM) and the Ludwig Maximilian University of Munich (LMU) discovered exactly such a dual sensor strategy realized by a ...


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Attosecond camera for nanostructures


Physicists of the Laboratory for Attosecond Physics at the Max Planck Institute of Quantum Optics and the Ludwig-Maximilians-Universität Munich in collaboration with scientists from the Friedrich-Alexander-Universität Erlangen-Nürnberg have observed a light-matter phenomenon in nano-optics, which ...


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Film in 4-D with ultrashort electron pulses

Electron pulses shortened to 30 femtoseconds duration - giving insight to atomic motions


A team from Ludwig-Maximilians-Universität (LMU) and Max Planck Institute of Quantum Optics (MPQ) has now managed to shorten electron pulses down to 28 femtoseconds in duration. Such shutter speeds enable us to directly observe the truly fundamental motions of atoms and molecules in solids, ...


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Laser-based molecular fingerprinting


Researchers and regulators in many fields often need to detect and measure levels of specific substances in a sea of irrelevant molecules, and infrared light offers an ideal tool for this task. Infrared radiation is invisible to the human eye, but molecules react with mid-infrared light in ways ...


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Mini X-ray source with laser light


Physicists from Ludwig-Maximilians-Universität, the Max Planck Institute of Quantum Optics and the TU München have developed a method using laser-generated X-rays and phase-contrast X-ray tomography to produce three-dimensional images of soft tissue structures in organisms With laser light, ...


DNA barcoding discloses diversity


LMU researchers have used DNA barcoding to elucidate the diversity of the sponge fauna found in Antarctic waters. The data provide new insights into the evolution of this poorly characterized group. Sponges constitute an important component of marine ecosystems in the waters around Antarctica. As ...


Bacterial defense policies


High-resolution cryo-electron microscopy has now revealed in unprecedented detail the structural changes in the bacterial ribosome which results in resistance to the antibiotic erythromycin. Multiresistant bacterial pathogens that are insensitive to virtually all available antibiotics are one of ...


Tracing how the embryo takes over


Embryonic development is initially controlled by maternal genetic information stored in the egg. LMU researchers now describe a methodology that allows the succeeding activation of the zygotic genome to be mapped at high resolution. In multicellular organisms, the earliest steps in embryonic ...


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