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The fall of Rome and the rise of zero We’d planned to get a bit further, but there was just too much nifty history. Water wheels, paper mills, the fall of Rome, the golden age of Islam, and the spread of the number zero, more than enough for one episode.
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which numbers count? If you want to come up with a machine that computes, (a computer,) you need numbers with which to compute. Before we had the numbers we know and love, several other numbering systems were tried. Today we take a look at some of them and how they worked, along with their historical …
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Stone age computers We decided to spend a few episodes telling the story of how we got computers. This episode, in typical “Lab With Brad” fashion, we’re going all the way back to the beginning of the story. And by “beginning,” we mean slightly before we were human beings.
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It’s the end of the world as they knew it The Permian period began with lush forests. new bugs arrived to feed on the succulent plants, strange sharks still swam the seas, and the first large plant eaters and their predators walked the increasingly dry earth. At the end of the period was the most …
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Strange sharks, giant insects, and a new and improved egg During the carboniferous, forests and swamp dominated the landscape. In the oceans, strange new sharks appeared. Giant insects walked amongst the trees while the first reptiles and early ancestors of what would become mammals hid inside rotted stumps.
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Forest, fins and feet Giant Mushrooms, the first forests, 28 foot long armored fish hunting sharks who were hunting smaller fish. In shallow streams and ponds, some fish were changing, becoming better at breathing air. They developed fins that could support their weight out of the water, if only for a little while at a …
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The Lab anniversary: three years and counting! After three years of doing this show, we do more of this show. Join us as we celebrate our anniversary with a couple nifty interesting things that never quite made it into an episode, along with a few laughs, a status report on our time machine and shrink …
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By tooth and scale The Silurian period was warm, and compared to the periods around it, rather gentle. Plants on land became a bit more sophisticated, with roots and stems and the ability to move water an nutrients around their bodies. Giant sea scorpions, the largest arthropods of all time, cruised the waters, probably chowing …
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Life tries again After the extinctions at the end of the Cambrian, the Ordovician once again came with a sudden increase in the amount and variety of life. This time, those who survived the end of the Cambrian would diversify, so life didn’t quite start over. This period saw the armored jawless fish, and just …
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a bevy of beasts About 451,000,000 years ago, there was a sudden increase in the number of different types of animals in the fossil record. The animals that came before didn’t stand a chance. The new kids had hard shells, eyes, jaws and teeth. Join us for a chat about the Cambrian period.