Last week I joined Brendon Connelly and Colin Murphy of the Pulse Project Podcast to discuss some of the week's science stories and chat about zombies, blogging and the origins of SciencePunk. Among the highlights are the sheer PR audacity of teaching an dolphin to communicate using an iPad and a guy who takes x-ray images of big things and alters them to fit the way we think the world should look in the x-ray spectrum. Safe to say it's an aural geekout!
You can follow the Pulse Project on Twitter and join them on Facebook. The organisation aims to "reflect and inform debates amongst academics, students, and the wider public alike".
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Last time, we did some slightly boring groundwork. This time, we're going to look at something more interesting: the way a pulse of light propagates in something (like a piece of glass) with a frequency-dependent refractive index.
In the last post I made an offhand mention of wave dispersion, which is the phenomena of different wavelengths propagating a different speed. In general this does exactly what it sounds like it should. It disperses the light.
The latest physics news is an experimental demonstration of "teleportation" involving both light and atoms, done at the Niels Bohr Institute in Copenhagen, and reported on by the Institutes of Physics and
Every time someone proposes a radical rewriting of science textbooks, one needs to proceed with caution. There is so much evidence for electrical potentials in nerve cells, this sounds really fishy:
I had to increase my volume so high that I was deafened and still had to move closer in order to hear collin talking. Is collin afraid of the microphones and stands a mile away.