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"Atoms synthesized in the interiors of stars are commonly returned to the interstellar gas… The atoms returned are, naturally, those most readily made in the thermonuclear reactions in stellar interiors:…. All the elements of the Earth except hydrogen and some helium have been cooked by a kind of stellar alchemy billions of years ago in stars, some of which are today inconspicuous white dwarfs on the other side of the Milky Way Galaxy. The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff."

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Theme by: Miguel
  1. An explanation for an absence.  The gold bike pictured on top is relevant for one reason, and it has nothing to do with science (surprise!) It is half of the explanation for my absence lately. My partner and I are about a week and a half away from leaving for a 5,000-mile bike tour around the Southwestern US. Things are crazy with the packing and the planning at the moment. Why the bike picture? That’s what I will be riding for the trip. The other reason is that the computer is broken. Again. Starting on the 20th there will be about one post a month, if that. Probably the most I am going to post will be links to our trip website, for those who are interested. Hope everyone takes care, and I hope to see you all still in about three months!

    An explanation for an absence. 

    The gold bike pictured on top is relevant for one reason, and it has nothing to do with science (surprise!)

    It is half of the explanation for my absence lately.

    My partner and I are about a week and a half away from leaving for a 5,000-mile bike tour around the Southwestern US. Things are crazy with the packing and the planning at the moment. Why the bike picture? That’s what I will be riding for the trip.

    The other reason is that the computer is broken. Again.

    Starting on the 20th there will be about one post a month, if that. Probably the most I am going to post will be links to our trip website, for those who are interested. Hope everyone takes care, and I hope to see you all still in about three months!