A team of Williams College faculty and students is preparing to scientifically observe the total eclipse of the Sun that will sweep across the far side of Earth on March 29. Six undergraduates are joining Jay Pasachoff, Bryce Babcock, and Steven Souza of the astronomy and physics departments, who have worked together on a series of expeditions, most recently to study Pluto and its moon Charon.
The expedition is to Kastellorizo, a small island east of Rhodes in the Greek Dodecanese. Aside from Cyprus, it is the farthest eastern point of Europe, so many eclipse watchers are expected to travel there. The Williams group will be on site a week in advance to set up, test, and align its nearly ton of equipment. They are working closely with Professor John Seiradakis of the Aristotelian University of Thessaloniki, continuing a collaboration begun with joint observations there of the 2004 transit of Venus.
Pasachoff, chair of the International Astronomical Unions Working Group on Eclipses, will be observing his 42nd solar eclipse. He is Field Memorial Professor of Astronomy and director of the Hopkins Observatory at Williams. Babcock is coordinator of science facilities and staff physicist; Souza is instructor of astronomy and observatory supervisor. They last observed an eclipse in 2002 in Australia. The total solar eclipses since then have been visible only from Antarctica in 2003 and the mid-Pacific in 2005, preventing the use of complex equipment.
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24.05.2017 | Vienna University of Technology
Staphylococcus aureus is a feared pathogen (MRSA, multi-resistant S. aureus) due to frequent resistances against many antibiotics, especially in hospital infections. Researchers at the Paul-Ehrlich-Institut have identified immunological processes that prevent a successful immune response directed against the pathogenic agent. The delivery of bacterial proteins with RNA adjuvant or messenger RNA (mRNA) into immune cells allows the re-direction of the immune response towards an active defense against S. aureus. This could be of significant importance for the development of an effective vaccine. PLOS Pathogens has published these research results online on 25 May 2017.
Staphylococcus aureus (S. aureus) is a bacterium that colonizes by far more than half of the skin and the mucosa of adults, usually without causing infections....
Physicists from the University of Würzburg are capable of generating identical looking single light particles at the push of a button. Two new studies now demonstrate the potential this method holds.
The quantum computer has fuelled the imagination of scientists for decades: It is based on fundamentally different phenomena than a conventional computer....
An international team of physicists has monitored the scattering behaviour of electrons in a non-conducting material in real-time. Their insights could be beneficial for radiotherapy.
We can refer to electrons in non-conducting materials as ‘sluggish’. Typically, they remain fixed in a location, deep inside an atomic composite. It is hence...
Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.
Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...
An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...
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26.05.2017 | Life Sciences
26.05.2017 | Life Sciences
26.05.2017 | Physics and Astronomy