Archive for the 'Science' Category

Je vous presente: Powerset

Wednesday, May 21st, 2008

powerset logo

Finally, semantic web is on the map. There is a new kid in town and it’s called Powerset. This is a smarter search engine for Wikipedia. Go to their website, search for something or type in a simple question and explore the cool features offered for free.

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Theories: discovery or invention?

Saturday, May 3rd, 2008

mathematics
I walked into the class today and my students were having an argument and they wanted my input. “Is theory, a discovery or an invention?” they asked. They were clearly divided to two camps. I thought about it for a while and I said, I lean more towards discovery. What are your thoughts on this?

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HP makes memory from a once-theoretical circuit

Thursday, May 1st, 2008

memristors
HP has managed to make a new (a “fourth”) kind of circuit element called memristors. These are resistors whose resistance depends on the history of the current that has passed through them. If you have ever taken electronics or electromagnetism, take a look at this article. Good job HP!

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