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Category: links

Cat physics

Cat falling diagram

A diagram from the 1969 study, A Dynamical Explanation of the Falling Cat Phenomenon, by Kane and Scher of Stanford University. Apparently one of the very few scientific papers on cat physics.

Kane and Scher neither lifted nor dropped a single cat. Instead, they created a mathematical abstraction of a cat: two imaginary cylinder-like chunks, joined at a single point so the parts could (as with a feline spine) bend, but not twist. When they used a computer to plot the theoretical bendings of this theoretical falling chunky-cat, the motions resembled what they saw in old photographs of an actual falling cat. They conclude that their theory “explains the phenomenon under consideration”.

How Browsers Work

Behind the scenes of modern browsers (via Hypertext).

In the years of IE 90% dominance there was nothing much to do but regard the browser as a “black box”, but now, with open source browsers having more than half of the usage share, it’s a good time to take a peek under the engine’s hood and see what’s inside a web browser. Well, what’s inside are millions of C++ lines…

I tend not to post anything that I haven’t consumed in its entirety, but exceptions can be made. As Justin pointed out, the article is a must-read for anyone interested in web development.

The perfect omelette

From Chasing Perfection by Francis Lam.

It was astounding how something so commonplace, so elemental, could have so many variables. You just have to learn to see all those variables, to recognize what effect every moment of heat, every motion of the hands has. To get back to that thing I tasted, I would have to know exactly what to look for and nail it every step of the way.

Three eggs, salt, pepper, and a little butter. That’s all there is in a classic French omelet, but it’s enough to keep reteaching me this vital lesson: Things are only simple when you’ve stopped asking the right questions of them, when you’ve stopped finding new ways to see them. Because what you find, when you learn how to find it, is that even simple things can be wonderfully, frustratingly, world-openingly complex.

Cross Dublin without passing a pub

Path across Dublin without passing a pub

It is possible to cross Dublin without passing a pub.

In Ulysses, James Joyce mused that “a good puzzle would be to cross Dublin without passing a pub”. No-one’s really sure if it was possible, and Dubliners have always felt proud that it was not straight forward. The traditional Irish way to ‘solve’ this puzzle is to walk across Dublin, and call into every pub in the way and have a pint. This way you never actually pass a pub.

What problems can’t be solved by the internet?

The book as a device

The Internet Archive is now archiving physical copies of books.

As the Internet Archive has digitized collections and placed them on our computer disks, we have found that the digital versions have more and more in common with physical versions. The computer hard disks, while holding digital data, are still physical objects. As such we archive them as they retire after their 3-5 year lifetime. Similarly, we also archive microfilm, which was a previous generation’s access format. So hard drives are just another physical format that stores information. This connection showed us that physical archiving is still an important function in a digital era.

Recognizing that a book is just another device is important. It’s way too easy to make all sorts of cute analogies and comparisons between books and the digital world, so I’ll avoid it. How our society consumes words and images is bound to shift, but the book will still be here in fifty years.

IGA fail commercial

I saw this commercial for IGA air during the 2nd Stanley Cup playoff game. I’m pretty sure the kid says “fail” at the end. It has to be one of the most mainstream applications of the fail meme that I’ve seen. There’s also a French version of the commercial.

Update: I realized after the post, that it was a certain kind of mainstream. Honestly, there’s a relatively small Anglo population watching CBC in Montreal, but the commercial aired… so a reasonable number of people must have seen it.