Tomorrow, on June 8, beginning shortly after 5 hrs UT, a large part of the world will be sharing a unique sight never seen by any person now living. During a little more than six hours, planet Venus will cross the face of the Sun, offering a wonderful show for everybody to admire. Nobody should miss the opportunity to witness this great event! And - good luck! - it appears that the observing condition prospects are rather favourable in large areas of the world.
Nevertheless, should you be as unlucky as astronomer Le Gentil in 1769 who, having traversed a large portion of the globe, enduring all the perils of a long sea-voyage, and waiting for 8 years for the transit to occur, was unable to observe it because of a vexatious, black cloud that covered the Sun, you need not despair. There will be ample opportunity to witness this event from the VT-2004 Central Display page (and other websites).
This page, powered by Akamai and therefore mirrored on many hundreds of sites all over the world, will offer selected images from the event, acquired by our colleagues at the large solar telescopes, from the Canary Island to China. All images will be chosen and commented live by a team of professional astronomers in the "VT-2004 Control Room" at the ESO headquarters (Garching, Germany), who will guide you through the various phases of this memorable event and provide a running commentary, beginning before dawn (in Central Europe) on the Day of the Transit and only ending when Venus is well beyond the solar disc.
Significantly more productivity in USP lasers
06.12.2016 | Fraunhofer-Institut für Lasertechnik ILT
Shape matters when light meets atom
05.12.2016 | Centre for Quantum Technologies at the National University of Singapore
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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