Uncategorized
- Physics
Magnetic Logic: Electron spins could do cool calculations
Novel circuits use electrons as tiny bar magnets to process information.
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Take a Number: Kids show math insights without instruction
Kindergartners can solve relatively complex addition and subtraction problems if allowed to use their intuitive grasp of approximate quantities rather than being required to calculate exact solutions.
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While testing was done on 5- or 6-year-old children, it would be interesting to see if this intuitive skill persists after these students are exposed to standard mathematical instruction in the higher grades. I suspect that the answer will be no, as students restricted to a method of learning math will be deprived of this […]
- Chemistry
Packaging Peril: Chemicals in food wrapping turn toxic
Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen.
