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Questions related from Ralph H. Scheicher
This question was asked by a student in a class on Quantum Physics I am teaching in: Imagine the typical double-slit experiment with electrons. If there is no information obtained through which of...
09 September 2016 3,310 8 View
Now there is a news feature again in Nature's latest issue (http://www.nature.com/news/physics-quantum-quest-1.13711) that deals with theoretical physicists' efforts to obtain a deeper more...
09 September 2013 5,204 6 View
Last Monday, I listened to a very exciting talk here by Jeffrey Hangst from Århus University in Denmark, talking about their ALPHA antihydrogen experiment at CERN. Unfortunately, I had to leave...
05 May 2013 1,734 84 View
In published articles, we typically see lattice constants from X-ray diffraction and subsequent refinement given in precision up to 0.00001 Å (or, in other words, 1 femtometer). Is such a high...
12 December 2012 6,557 79 View
I just listened to a seminar about black holes. One question that came to me (perhaps very naive; sorry if so) is how a singularity can even form? Because, for a star to collapse, its constituent...
11 November 2012 1,263 89 View
Just attended some very interesting lectures as part of the "Higgs Fest" here at Uppsala (http://www.kalendarium.uu.se/en?eventId=4251), but while I think I understood how protons and neutrons...
09 September 2012 8,807 1 View
My question to the experts is whether (and if so, how) currently available DNA sequencing techniques can detect epigenetic modifications, in particular methylation. (Any recommendations for...
02 February 2012 9,817 15 View