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# Tag Archives: maths

## Parabolas III

Our next parabola video. All parabolas are the same shape, just different sizes!

Video
April 7, 2014
Tagged geomoetry, kids, math, mathematics, maths, parabola, parabolas
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## Parabolas II

In this second installment we multiply with parabolas!

Video
March 31, 2014
Tagged arithmetic, fun, geometry, kids, math, mathematics, maths, multiplication, parabola, parabolas
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## Stellations

I decided to make some stellations.

## A Case of Accidental Symmetry

The other day I was thinking about putting dominoes onto a 4-by-4 grid without any of the dominoes contacting each others’ sides. I wanted to know how many dominoes you could fit onto the 4-by-4 grid in this way, and … Continue reading

Posted in polyominoes
Tagged algorithms, binomial coefficients, combinatorics, domino, dominoes, grids, math, mathematics, maths, polyominoes, Python, rec math, recreational math, recreational mathematics, symmetry
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## Benzene Flexagons

My wife is taking an organic chemistry class. I don’t know much about organic chemsitry, but I did learn from her that benzene rings are hexagons. So I got thinking, what about benzene hexaflexagons? These are the result of those … Continue reading

Posted in art
Tagged benzene, catalyst, chemical reaction, flexagons, hexaflexagons, hexagon, math, mathematics, maths, organic chemistry, origami, paper folding, trihexaflexagons
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