Lego based Sudoku & Rubik Cube solving robots

Flip/Flop: Goodbye 2022 – Welcome 2023

Dec 28, 2022

Since 2008 our family has been creating short videos to celebrate the end of one year and the beginning of another. Our videos are always typographical in nature with some kind of an AHA! moment or optical illusion built in. This year’s video is no different. Check it...

The new convergence

Nov 6, 2023

I recently received an email from dean recommending this post titled Thoughts on Now and Then by Andrew Hickey. In this extended essay Hickey provides his thoughts on the new Beatles remake, Now and Then. The essay is a thoughtful and loving analysis of human...

Principled Innovation meets Design: 1 new model and 2 videos

Feb 24, 2020

Our college has embraced the idea of Principled Innovation as being a core value that informs everything we do. (More on this in this post by Cristy Guleserian and in the PI framework document). Defining Principled Innovation: Design by Punya Mishra At the heart of...

The loneliness of a long distance migrant

Mar 17, 2008

“On bad days, I do feel lonely in a way that I can’t explain,” so says Dilip Ratha, a World Bank economist who studies the economics of migration. The article, a profile of Ratha's life and work, is worth a read, but what really stood out for me was the above quote,...

Of math and ambigrams: Exploring Symmetry

Mar 26, 2014

Ambigram for Symmetry displaying rotational symmetry I have been writing a series of articles for At Right Angles (a mathematics education magazine) with my friend Gaurav Bhatnagar on the art and mathematics of ambigrams. The first article in the series (Of Art and...

On designing the body

Oct 27, 2008

Corpus 2.0 by Marcia Nolte is a set of seven portraits illustrating how the human body could adjust itself to the design of products, including a hole in the lips for smokers and an extended shoulder for holding a phone. Very strange and very interesting, check it out

Hidden Figures

Feb 28, 2017

In honor of the movie "Hidden Figures" here is a new figure-ground ambigram. Enjoy.

TPACK Handbook, new review

May 13, 2010

Just found out about a review of the Handbook of TPACK by Dorian Stoilescu and Douglas McDougall for the Canadian Journal of Learning and Technology (2009). You can read the full review here. Overall a positive review, with some pertinent criticism, particularly...

What is TPACK? Updated article

Jan 22, 2014

There are some articles that sink without a trace. There are others like our 2006 TCRecord article introducing the TPACK framework that continues to be cited... and then there are some that keep getting published over and over (albeit in an updated manner). Here is...

2 Comments

Sudoku Strategies on February 23, 2011 at 4:02 am

Nice work Lego.
Tilted Twister is a clever little bugger all right.
Which one would you build first?
Obviously I’d go for Sudoku, but I’m a Rubik’s Cube fan as well.

Sudoku Strategies on May 14, 2010 at 9:49 pm

wow this is amazing. and then it becomes aware and gives birth to Skynet! lol. this is a super creative invention. very cool