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Tag Archives: build-your-own

Get your cinnamon out (using supercritical CO2!)

September 18, 2013by lagally 1 Comment

I love DIY chemistry, and this one ranks up there with the best of them.  I earlier presented some ways to make your own thin layer chromatography columns to do […]

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Chemistry, High School, Physics

Oh, the orreries I have known…

May 6, 2013by lagally 1 Comment

From Merriam-Webster: or·rery noun \ˈȯr-ər-ē, ˈär-\ plural or·rer·ies an apparatus showing the relative positions and motions of bodies in the solar system by balls moved by a clockwork As you can tell, recently […]

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Astronomy, Engineering, High School, Physics

Another cautionary tale – planetary motion

March 4, 2013by lagally 1 Comment

Recently, this animation of the Solar System was making the rounds around the Internet, including some very reputable science sites: Unfortunately, it’s wrong.  First of all, Jupiter and Saturn are reversed. […]

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Astronomy, Computers, Physics, Teacher Education

DIY Bio facilities operate around the country

January 27, 2013by lagally Leave a comment

For those in the DIYBio community, these are heady days.  There are now a handful of fully-equipped public DIY biology and biotechnology laboratories operating in North America.  In addition, the […]

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Biology, Biotechnology, Teacher Education, Technical Education

Top 10 great STEM gifts for 2013

December 18, 2012by lagally 3 Comments

I know it’s a bit late to be putting out a holiday gift guide for this year, so consider this the official guide for STEM gifts for the new year! […]

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Biology, Chemistry, Electronics, Elementary School, Engineering, High School, Math, Middle School, Technical Education
Contraptor Structural Kit

Contraptor – DIY Open Source Construction Set

November 26, 2012by lagally Leave a comment

I was using StumbleUpon recently and I came across a fantastic new DIY construction set called Contraptor.  The idea is that for about $300 in parts, you can get the basic structural […]

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High School, Technical Education

Cellulose TLC separations at home (Part II)

November 21, 2012by lagally Leave a comment

See Part I of this adventure here. Part II:  In which our hero discovers how to extract fluorescent dyes from permanent markers I found this nice YouTube video demonstrating water-based […]

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Chemistry, High School

Cellulose TLC separations at home (Part I)

November 21, 2012by lagally Leave a comment

Thin layer chromatography (TLC) is a quick and easy analytical technique for separating chemical mixtures into their constituent fractions.  It has advantages over paper chromatography, including ease of use, reproducibility, […]

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Chemistry, High School

Young Makers clubs teach students hands-on skills

October 12, 2012by lagally Leave a comment

I can remember no way that I learned better than by putting my hands on a project and turning it over, taking it apart, and seeing if I could put […]

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Computers, Electronics, Engineering, High School, Technical Education
Inside view of DIY Spectrometer

DIY Spectrometer for $35!

September 3, 2012by lagally Leave a comment

This neat article came across my Twitter feed this morning – a DIY spectrometer for $35!  You can view the plans here, and the creators have started a Kickstarter project […]

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Biology, Chemistry, Environmental Science, High School, Middle School

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