Monday, October 31, 2011

Halloween Stream Table Run

Today's stream table run was an adventure in basin geometry. I've been wanting to find a way to keep the stream from getting hung up on the sides of the table.



I have a bunch of rubber sheeting left over from a roofing project. Yes, I saved several square feet of sheet rubber. Because I'm an experimentalist. And I used it to created coved corners at the base of the table. I built up curved sides with the plastic media and then draped the plastic over it.


The finished sub-base, prior to filling with additional media.


Here's about a 4-hour time lapse. You can see the stream pull away from the side of the table on a few occasions, but I think I may try and make the angle a little shallower.

A little perspective

Okay, so you want to see something? Come closer. Now click on this link. See that: that's one of the things reminding me to grow my own vegetables. Drink water from the tap instead of bottles. Consume less. Not because I hate all things related to consumer culture. Not because all corporations are evil. But because if everyone of those 7 Billion wants to live/eat/consume like we do in the "Cultural West" something has gotta give. There's no way we can "give the world a Coke" all the time. There's just not enough stuff to do it. We live on a finite world. Resources are not infinite.

Happy Birthday

I like Halloween. Not so much for the costumes and tropes of ghouls and goblins but more for my own personal reasons. Today is my birthday. And today, I get to share this planet with the 7,000,000,000th person. When I was born, there were about 4.1 Billion people. We've added almost 3 billion since I got here. There's a story about exponential growth here somewhere, but it eludes me at the moment.

Doctor Mister Indiana Potato Jones Head



What's cooking for the Accretionary Wedge? So far we've got this:

Sunday, October 30, 2011

Mythbusters on Netflix

Mythbusters is a fascinating show in many ways. That most of the episodes are streaming on Netflix is an added bonus. Plus, you can see how the show has changed structurally over the years. Aside from the obvious changes in the appearance of the hosts (aging, pregnancy, hairstyles, etc.) I've noticed three big changes in the general narrative style.

The first is that newer episodes don't go into as much depth in the context of the myth - they don't have the cultural anthropologist explaining some of the social implications of the myth itself. It's a level of detail I think added to the show, but it did slow the pacing down (which brings me to the second item).

The second relates to pacing and speed. The number of seconds spent forming complete sentences appears less. More clever comments from the hosts, shorter explanations from the narrator and more cuts between camera angles. If you look at other shows, they often tighten up their editorial styles over time. And shows from previous decades appear glacial in their pacing compared to shows now. For example, compare "Monty Python" to "A Bit of Fry & Laurie" to "Who's Line is it Anyway?" British version to "Who's Line is it Anyway?" American version to whatever sketch comedy show is being produced now. Some of these are cultural (it seems to me that the Brits are a little less frenetic than us Yanks). Some of this is just cleaning up the story, but some of this is coming at the cost of developing a deeper understanding of the material.

Thirdly, they don't make a distinct break from the more scientific content as they develop the test of a myth. I like that they've dropped that little sign saying "Warning: Science Content!" I think it's counter productive to interrupt the test of a myth by alerting people to some background science information. Science education works best by connecting with everyday phenomena - not by reinforcing fears of science as separate and only for those that can "handle" it. So while the length of the individual ideas is shorter, the actual science content is better integrated (when present).

Oh, and this brings up a fourth change - as their budget has gotten larger, the types of cameras they use has improved. I love high speed camera footage. And remote cameras, HD video, with multiple angles makes the show more interesting visually (although having lots of viewing angles means more editing).

One thing I would like to see - some kind of exciting/interesting set of demonstrations and experiments that you can do at home. The best way to keep kids interested in science is to allow them to learn and discover on their own. "Playing" with science is part of that joyful discovery I've talked about before.

Saturday, October 29, 2011