european
esiegel | June 12, 2012"I went into a clothing store, and the lady asked me what size I was. I said, 'Actual'. I'm not to scale." -Demitri Martin
When you look out at the Universe, what you can see is limited, at the most fundamental level, by the size of what you look with. This is why you can see dimmer objects at night -- when your pupils are dilated -- than you can when your pupils are constricted.
Image credit: National Institute of Health.
This same principle that applies to your eyes applies to telescopes as well. As telescopes have grown in size, so has our ability to see deeper into the Universe, as we…
sciencepunk | May 31, 2009
The European Elections are taking place this week, when millions of people will go to the polls to decide how they are represented in Europe. The European Parliament is a stage on which countless battles are played out, influencing aspects of our economy, law, judiciary, technology, environment, trade, culture, immigration, research, education, and many more. However, in the lead up to the elections, European politics have been eclipsed by the furore over our own MPs' expenses. Those who with an appetite for political debate over Europe have been forced to subsist on the amuse-bouches of…
esiegel | May 14, 2008When I think of molecules, I think of Conan O'Brien doing his skit where he plays Moleculo...
the molecular man! I don't think of astronomy, and I certainly don't think of the leftover radiation from the big bang (known as the cosmic microwave background)! But somebody over at the European Southern Observatory put these two together and made an incredibly tasty science sandwich.
See, we can measure the cosmic microwave background today, because we have photons (particles of light) coming at us in all directions at all locations, with a temperature of 2.725 Kelvin. Theoretical cosmology…