Archive for December, 2007

Rotational Curves of Galaxies

Stars and other objects that are bound to spiral galaxies rotate around a common center. The rotation velocity of the stars is such that the orbits are stable. The required velocity for this depends on the attractive force acting on the star, which results from the matter content in the galaxy. The larger the force, […]

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Phase Diagram of Water

Matter comes in different forms, we learn at school: solid, liquid, and as gas. December days in Canada give us plenty of occasions to experience these different forms of matter – phases, as they are called in physics and chemistry – in the case of water: ice and snow, the both annoying and beautiful appearances […]

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A Plottl a Day

My beloved husband and I, we’ve been thinking really hard what we would blog through the advent season. Since I always loved advent calendars, we finally decided to take a plot each day, and briefly explain why we have seen it so many times already that people no longer bother to say what’s actually plotted […]

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Robert Berdan: Photography, Art and Science

Recently, I stumbled across Robert Berdan’s collection of amazing photos on the websites Moods of Nature and Science and Art. The picture to the left shows a caffeine crystal under a polarized light microscope, which allows one to visualize the birefringent properties of the sample. Just looking at it helps me wake up 🙂 The […]

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A Limerick

Some people who write their own blogDo so to insult and mockBecause they have funBut in the long runThe result is just big clouds of fog. That is to say I am presently pretty blogged out. “I asked you to explain it to me, not to talk science!” ~ Denzel Washington, Deja Vu

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Fact or Fiction?

Ham Radio Operator finds Cure for Cancer! – Surfer Dude finds Theory of Everything! –Teenager builds Nuclear Reactor in the Back Yard! – You are made of a Braid! – Our world is a brane in a throat! – Hints for a Breakdown of Relativity Theory! – Physicist Explains how the Present can Affect the […]

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