Lunch With George! : February 28, 2003 - Fuddrucker's
 
 
"That's all I have to say about this place!"
 

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Lunch With George!



February 28, 2003 - Fuddrucker's

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Agenda


Who is that Wilhelm guy?

While driving last week I turned on
NPR and came in near the beginning of a story about "the Wilhelm." Also known to many film fans as the "Lucas scream", it is a brief (but easily recognizable) sound clip of a man screaming due to some terrible injury or plight. This particular sound sample has been reused in films throughout the years, but it seems to have originated with the 1953 film The Charge at Feather River, when a man named Wilhelm (played by Ralph Brooke) is shot in the leg with an arrow and falls from his horse.

Ben Burtt, a founding member of George Lucas' audio team, used it in each of the first three Star Wars movies. This detail was not missed by attentive fans. The scream clip was used in Star Wars when a Stormtrooper falls off a ledge inside the Death Star. It appeared when a trooper was tossed from the carbonite chamber platform by an enraged Wookie in The Empire Strikes Back, and viewers of Return of the Jedi heard Wilhelm again when a Weequay plunged into the maw of the Sarlacc on Tatooine. There's an article on the Star Wars angle at theForce.net which includes video clips containing the Wilhelm.

 

Sailing

It always comes down to physics...
George was telling me why he now uses "spring lines" on his sailboat:
"Spring lines are lines used to tie a boat to a dock. The typical recommendation is to use a bow and stern line, running more or less perpendicular to the dock, to hold the boat against the dock, and then a pair of spring lines running from the bow aft at a shallow angle to the dock, and from the stern forward. They always say these are to keep the boat from surging fore and aft.

I was only using the bow and stern lines, figuring they work just as well to keep the boat in place - it's not going anywhere as long as it's tied to the dock - but as I was resting on the boat one day, feeling it shifting around, it occurred to me that while the bow and stern lines worked fine for keeping it from going too far forward or aft, they did so at a much greater tension than would be needed by spring lines. Since spring lines lie more in line with the force they're opposing, they don't need to go nearly as taut to resist it. And I was thinking about that weak forward chock on my boat that the bow line runs through, and thinking that maybe a spring line might be less likely to pop it loose. So now my boat sports spring lines as well as bow and stern lines."

Docking Under Sail
George also reported his first attempt at docking under sail (rather than using his small outboard), and it was also his first successful attempt. Good work, George!

 

Round and Round and Round...

George referred me to a website with a nifty animation of all the satellites out there orbiting the Earth, including the ISS (Sandeep also sent me the link) . Take a look at this NASA page. The applet is cool, but you can also click through to detailed pages (with graphics) for the Space Station, the Hubble Space Telescope, and more. Spiffy!

 

Busy as Bees

the Roomba
George was telling about a
new invention by a graduate student at MIT which won him the annual Lemelson-MIT Student Prize. He built and programmed robots which mimic the behavior of bees. They cluster, disperse, and follow one another.

George was disappointed to find out that these swarming robotic bees do not fly-- they only move in two dimensions (they move around on wheels on a flat surface). Still, the idea promises to have applications in remote monitoring and control, particularly in environments that are hazardous.

James McLurkin, the inventor, is the lead scientist at iRobot, makers of many robitic products including the Roomba robotic floor vaccuum!

 




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