Category Archive: Science

Oct 23 2014

My Brother’s Math Calendar

My brother, a longtime math enthusiast (I’ve even seen him calculate logarithms in his head) has created an interesting math calendar for 2015 and is selling it on Amazon.

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Nov 03 2010

A Homemade Spectroscope

Scientists use spectroscopes to identify chemicals – even in stars billions of light years away. They also use spectroscopes to find planets orbiting other stars. With about an hour of effort, I was able to build my own and show my daughter how scientists do it.

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