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.
Hamburg and Kiel researchers observe spontaneous occurrence of skyrmions in atomically thin cobalt films
23.08.2019 | Universität Hamburg
Building an atomic-scale vacuum trap for spin-polarized electrons
23.08.2019 | University of Hamburg Sonderforschungsbereich 668
Since their experimental discovery, magnetic skyrmions - tiny magnetic knots - have moved into the focus of research. Scientists from Hamburg and Kiel have now been able to show that individual magnetic skyrmions with a diameter of only a few nanometres can be stabilised in magnetic metal films even without an external magnetic field. They report on their discovery in the journal Nature Communications.
The existence of magnetic skyrmions as particle-like objects was predicted 30 years ago by theoretical physicists, but could only be proven experimentally in...
Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine - which, as a single calcium ion, is approximately ten billion times smaller than a car engine.
Work performed by Professor John Goold's QuSys group in Trinity's School of Physics describes the science behind this tiny motor.
Together with the University of Innsbruck, the ETH Zurich and Interactive Fully Electrical Vehicles SRL, Infineon Austria is researching specific questions on the commercial use of quantum computers. With new innovations in design and manufacturing, the partners from universities and industry want to develop affordable components for quantum computers.
Ion traps have proven to be a very successful technology for the control and manipulation of quantum particles. Today, they form the heart of the first...
Experimental progress towards engineering quantized gauge fields coupled to ultracold matter promises a versatile platform to tackle problems ranging from condensed-matter to high-energy physics
The interaction between fields and matter is a recurring theme throughout physics. Classical cases such as the trajectories of one celestial body moving in the...
Soft robots have a distinct advantage over their rigid forebears: they can adapt to complex environments, handle fragile objects and interact safely with humans. Made from silicone, rubber or other stretchable polymers, they are ideal for use in rehabilitation exoskeletons and robotic clothing. Soft bio-inspired robots could one day be deployed to explore remote or dangerous environments.
Most soft robots are actuated by rigid, noisy pumps that push fluids into the machines' moving parts. Because they are connected to these bulky pumps by tubes,...
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