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Close encounters with outer shells
If you look at the image of an atom in a text book, it looks rather quiet and peaceful. There is a nucleus in the center made from a number of protons and neutrons. Around the nucleus the electrons...
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Light does matter
Light is special. In our everyday experience it behaves like a wave, which gets reflected, refracted and shows interference with other light of the same wavelength. At the same time, light also...
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2010 – twelve months of great science
The past year has been a great year for science with major advances in several areas. Too many exciting results to mention here. Instead, to reflect about the past year I have chosen a representative...
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The ‘anti-laser’
Photo by piglicker via flickr. I don’t have much time this week and next to blog, but yesterday Science published an interesting paper by Hui Cao and colleagues at Yale that is hard to ignore. It is...
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Coaxial ‘cables’ make great lasers, too
A coaxial cable plug. The coaxial nanolaser is more than 15,000 times smaller. Photo by mikemol via flickr. When Oliver Heaviside invented the coaxial cable in 1880 he could not have foreseen the...
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