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13 Feb 08
Super Strong Magnets, Cow Magnets and Lots of Questions
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The magnet didn't just transform our iron-and-oil fluid into a solid — sometimes, its pull on the fluid cracked the petri dish holding it. Once, the magnet unexpectedly flew out of a videographer's hand and into a dish full of dry filings, which required considerable ingenuity to remove. It also adhered itself so firmly to the underside of a metal table that we had to use a pair of locking pliers to retrieve it. When we decided it would be safer to keep the magnet in a pocket between takes, people wound up momentarily stuck to the table, a ladder and the studio door.
11 Feb 08
Science News for Kids: LabZone
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How Dense Is the Incredible Edible Egg?
Objective
The objective is to measure the difference in density of an egg before and after boiling it.
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