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Looking for interferometer for location detection

January 31st, 2007 3:35pm. Art, Geekery, General

I’m still working on this a project where I want to find and continue to know the location of 10 robots moving up to 10kph in a field about 100 yards square with 0.2-1.0 meter accuracy. RFID-Radar is -almost- a solution in a box except that it takes many seconds for it to do range-finding.

GPS isn’t accurate enough.

I’m now envisioning 2 sets of antennas using angle of arrival interferometry. I’ve been googling (and the library) my head off and not coming up with too much thus far. Do you know of an interferometry system that might detect 0.1 degree difference or so? I figure that with 2 sets, one on the X plane, one on the Y, we can get an accurate location. I’ll ping the RFID-Radar guy on this but I think he’s focused elsewhere.

Flaming Lotus Girls Down Under

January 28th, 2007 12:41pm. General

Check out the Flaming Lotus Girls in Australia with the Hand of God

Tourettes

January 25th, 2007 12:45pm. General

There was a guy in an SBA class a couple nights ago that had Tourettes Syndrome. I had seen documentaries about it but never met someone with it. It must be a horrible way to go through life.

He was sitting about 20′ from Charlotte and I. At first, it sounded like he was using a cell phone while in class. He’d say something quietly every couple seconds. I listened closer and could tell that, in general, he was occasionally echoing the words of the speaker.

Whenever he looked around the room, especially if he made eye contact with someone, he’d say something… like the kind of thing you might think for a split second if you were looking around, nervous at a party. Things like, “Don’t look at me!”, “What are you looking at?”, “What’s your problem?”

He’d sometimes feed off his own words and actions. At one point, he made eye contact with Charlotte and started scratching his eye with his middle finger trying to “subtly” give her the finger. The scratch grew into a spasm. The spasm grew into thrusting his finger across his face repeatedly and forcefully such that he was just as likely to hurt himself as insult Charlotte.

He made many people in the classroom very nervous. Several people left. Someone suggested that he was schizophrenic.

I couldn’t imagine how sucky my life would be if I had no choice but to voice every emotional thought I had. There aren’t any very effective treatments for this one in a million disorder.

The Penny -is- Worth More than a Penny

January 25th, 2007 5:06am. General

I had wondered this for a long while.. http://www.coinflation.com/


Description Denomination Metal Value Metal % of Denomination
1909-1982 Cent (95% copper) * $0.01 $0.0175681 175.68%
1982-2007 Cent (97.5% zinc) * $0.01 $0.0095110 95.11%
1946-2007 Nickel $0.05 $0.0706507 141.30%

I see opportunity here.

(via)

Want to be in a Movie?

January 24th, 2007 6:31pm. General

I got this email just today. You might be interested. It’s a movie casting call in Boston. Warren is a friend of mine. This is his second film. His first was certainly completely odd… think Toxic Avenger. It looks like his second is shooting for oddness as well. Though more polished (maybe). With luck, think Evil Dead….

Straight to DVD feature B horror comedy “Snurg Hunter”, budget $150,000, shooting this summer (July-Sept) 2007 in greater Boston. We have guaranteed distribution via our last feature “Pony Trouble”, and so when finished, “Snurg Hunter” will be in stores nationally and internationally. Hopefully with your name in the credits :)

(more…)

To prevent Windows from installing updates when you shutdown your computer

January 23rd, 2007 2:41am. Geekery

(via)
Note: This procedure will only work with Windows XP Professional.

Click Start -> Run
Type “gpedit.msc” (no quotes) and hit Enter
(this opens the “Group Policy” editor.)
Under “User Configuration” double click “Administrative Templates”
After a few seconds you will see a list of items on the right.
Double click on “Windows Components”
Double click on “Windows Update”
Double click on “Do not display ‘Install Updates and Shutdown’ option in Shut Down Windows dialog box”
Select “Enabled” and click OK
Then close the Group Policy window.
Yer done.

Also there’s …
Official muBlinder Page, Easily Bypass Microsoft Update Genuine Windows Validation (I haven’t tried it)

Installed Snap Previews Plugin

January 21st, 2007 3:27am. Wordpress

After trying out Snap Previews on TJIC’s site for a while, I find them useful. If you disagree, tell me.

If you dislike it, it can be turned off of all the sites you visit by clicking on “options” when a Snap-thingie pops up. I’m still wondering whether letting Snap look over my users’ shoulders is the right thing to do… hmmm.

I had a little trouble installing it with my theme. My custom theme didn’t initially have the following standard code in the footer template: <?php wp_footer(); ?>

update 6-22-07: I removed it after using it for a while.

  • While the popup is coming up, you can’t click on the link; this happened a lot.
  • I started seeing some semi-pseudo advertising going on. I forget exactly what. Maybe it was “search for pages like this one” or some such. And there is a Firefox “search plugin” for users… so they’re using the plugin to get data from me.
  • Why in the world would I want the Snap popup to have a “search the web” text box? -That- is advertising.
  • It was kinda annoying.

Robot Reckoning Question

January 19th, 2007 10:50am. Art, Geekery, General

Dear Lazyweb,
I’m working on an project where we will have 5-10 robots moving around a large field… 100-1,000 yards. Right now we’re planning on using a mix of differential GPS, accelerometers and and a kalman filter so the robots can determine their position to within 1 meter or less. This may or may not be the best way to go about this.

Do you have some ideas as to some other solutions we might go with?
Take a peek at our main webpage…. http://www.orbswarm.com/

Friends

January 18th, 2007 9:46pm. General

Here are (in no particular order) links to the web sites of many of my friends.

Shameless Heather
Warren - Committed heart and soul to his insane desires, he earns my highest respect.
WoTW
Maura
Nick
Scherzoid
Petal
Geri
Marah
Lukas W. Sullivan - AKA Spanks T. Clown
Rosa Carson
Homeport - a very very good place.
Travis James Ignatius Corcoran
KathyPhrog - a fantastic human bean and Daaaark Hobling!
Shara Zoll - my friend and ex-housemate!
Mitchell Gross - a good person.
Eric Berntson - on the short list. You should check out the artwork on his site.
Tom Limoncelli - Tom Limoncelli
My sister

PS. Sorry about the song playing in the background (if you’re running IE, that is. If not, feel free to annoy yourself by playing the background music) I can’t recall hearing this on the radio in the past 10 or 15 years (it came out in ‘84) but I just can’t get it out of my head! It’s been floating around in my subconscious mind for years. All that anyone has to do is say the word “friends” in the right tone of voice and the little evil bastard in my head sticks this track on REPEAT PLAY 999. I figure that if enough people come to this site and hear the song, I’ll get it out of my head and into the collective unconscious. So there.

Update 10-1-04 I am happy to report that putting the song on my web page has been a success! I haven’t gotten it stuck in my head for a good long while. As a pre-emptive measure against future bouts of this song, I’m going to leave it online.

A long time ago, I ran a Guestbook. It has since been replaced by blogs and such but I thought you might like to take a peek at my old Guestbook

San Francisco Metal Arts Guild Presentation this Sunday

January 18th, 2007 10:47am. General, Notable

This Sunday, January 21st, Charlotte along with 3 other Lotus Girls, Olivia, Jordana and Lucy, will be making a presentation to the San Francisco Metal Arts Guild in conjunction with MAG’s first meeting of the year. This is a huge thing seeing as MAG is such a “serious” organization. It feels like we’re a bunch of race car drivers giving a talk to a group of physicists about the G-forces encountered on the track. ;-)

From MAG’s site:

2007 ANNUAL MAG METALSMITHING DAY
Sunday, Jan 21, 2007 from 2-5 pm

Where: Fort Mason Center, Building C, Room 260 San Francisco

“HOW TO PACK YOUR WORK FOR SHIPPING” - demo by Harriete Estel Berman and emiko oye, jam-packed with valuable info on packing your work for an exhibition or gallery, relative to artists in any media.

San Francisco based FLAMING LOTUS GIRLS will give a slide lecture about their work as well as give a fire art performance (performance outdoors, weather permitting).

MEET THE BOARD - info on upcoming events, opportunities and an open forum for members to become involved with future programs.

Contact: Carol Windsor 650-343-5656

Each Girl will have an 8 minute or so presentation talking about one aspect of being part of a this collaborative art group. I won’t be presenting but I’ll be along to help out.

Carol tells me that we can bring as many friends as we like. If you’re interested in coming to the meeting, seeing the presentations and (hopefully) see us run 2 feathers from the Angel of the Apocalypse, give me a buzz!

We’ll be meeting at the Box Shop at 11am Sunday to finish packing. We’ll go on starting about 3pm.

Changed Subscribe to Comments Default

January 17th, 2007 3:30pm. Wordpress

Please note that I changed it so that if you want to subscribe to comments while you are leaving your own comment, you have to check the check-box.

(this should reduce the number of bounces I get from fictitious people like WinFreeViagra@yahoo.net.

Read the Back of Your Ticket

January 17th, 2007 12:51pm. General

I bought 2 tickets to Burning Man this morning.

This is what I agreed to:

I agree to read and abide by all guidelines listed in the 2007 Survival Guide, and to the terms on the back of the 2007 ticket, which appear below:
YOU VOLUNTARILY ASSUME THE RISK OF SERIOUS INJURY OR DEATH BY ATTENDING AND RELEASE BURNING MAN FROM ANY CLAIM ARISING FROM THIS RISK.
You must bring enough food, water, shelter and first aid to survive one week in a harsh desert environment. Commercial vending is prohibited, as are firearms, fireworks, rockets and other explosives. You agree to read and abide by ALL rules in the Survival Guide and follow federal, state and local laws. This is a LEAVE NO TRACE, pack it in, pack it OUT event. You are asked to contribute 2 hours of playa clean up in addition to your own camp. Art cars, art installations, theme camps and performances are not owned or operated by Burning Man and you assume all risk of injury arising from their operation. You appoint Burning Man as your representative to protect your intellectual property or privacy rights, recognizing that Burning Man has no obligation to take action. All vehicles including trucks, trailers and RVs entering and exiting Burning Man are subject to search by Gate staff. Tickets are nonrefundable even if the event is terminated early or canceled due to harsh weather, acts of nature, governmental regulation or conditions beyond Burning Man’s control. This ticket is a revocable license that may be revoked by Burning Man for any reason. Use other than personal use of images from Burning Man, or of drawings or representations of the Burning Man sculpture on a book cover or in any advertisement, or of the phrase ‘Burning Man’ in the title of any publication or in any advertisement, is prohibited without prior written consent of Burning Man. Burning Man is not liable for acts of God, or actions taken by government agencies. Children under 18 years of age can attend the event only accompanied by a parent or guardian, and any person bringing a child to the event agrees for the child to the contractual terms on this ticket. YOUR USE OF THIS TICKET CONFIRMS YOUR AGREEMENT TO THESE TERMS.

Update

January 16th, 2007 12:55pm. Notable

I have been starting a business with my girlfriend, Charlotte. We are tentatively calling it Safe and Secure. It is an earthquake preparedness business where we go to people’s homes and institutions and ready them for the kinds of earthquakes that we inevitably have here in northern California. It’s turning out to be quite interesting and fun. We are becoming experts in the field. :-)

In my personal/art life, I have been working on several projects getting ready for Burning Man. One is called Swarm. You can take a peek here: http://www.orbswarm.com/. I am also helping to rework the Serpent Mother… that is the giant snake that we worked on last year. You saw pictures of that, yes? Take a peek: http://lee.org/blog/2006/10/03/serpent-links/

2BLEVE Videos

January 16th, 2007 11:43am. General

At Burning Man 2006, Nate Smith created an art piece called 2BLEVE. BLEVE is short for “boiling liquid expanding vapor explosion”. It was an astonishing 15 seconds. I saw it from about 1/4′ mile away.

Here’s an excerpt of an email from my friend David pointing to pictures and videos related to it.

2BLEVE. BLEVE is an acronym for “boiling liquid expanding vapor explosion”.
See wikipedia. Also see the BLEVE account in the 1973 section of this.
some interesting quotes: “…two acre fireball…” and “…one thousand feet in diameter…”.

Below are some links that Nate found of the stuff we worked on.

Nightshade’s photos

http://www.theblight.net/gallery/
http://www.theblight.net/gallery/bm/06/art/slides/PICT6256.html

http://theblight.net/gallery/bm/06/people/slides/PICT6208.html
http://theblight.net/gallery/bm/06/people/slides/PICT6209.html
http://theblight.net/gallery/bm/06/people/slides/PICT6242.html
http://theblight.net/gallery/bm/06/people/slides/PICT6245.html

boom
http://theblight.net/gallery/bm/06/art/slides/PICT6256.html
http://theblight.net/gallery/bm/06/art/slides/PICT6257.html
http://theblight.net/gallery/bm/06/art/slides/PICT6258.html
http://theblight.net/gallery/bm/06/art/slides/PICT6259.html
http://theblight.net/gallery/bm/06/art/slides/PICT6260.html
http://theblight.net/gallery/bm/06/art/slides/PICT6537.html

Best still sequence yet.
http://homepage.mac.com/red0x/bm06/

2BLEVE video
http://www.youtube.com/watch?v=l9vYE7B1_PU
http://www.youtube.com/watch?v=cm5VB7JaJWA
http://www.youtube.com/watch?v=EdKYGMaHNqY

really good video.
http://www.fearlesspookie.com/videos/2BLEVE.avi

Fire vortex video
http://www.youtube.com/watch?v=3rX4dESXWmQ
http://www.youtube.com/watch?v=XaX_Hm5Dl5E
http://www.youtube.com/watch?v=OtDqRX4duvE
http://www.youtube.com/watch?v=Txq-tHOMxAM
http://www.youtube.com/watch?v=pkVExGq9U-8

This Lazy Sunday Morning

January 14th, 2007 2:24pm. General

What we did this morning:

1 woke up
2 lazed
3 enjoyed the feel of the sheets on our skin
4 lazed in that eyes half-open perfectly comfy manner
5 mmmmmmmm
6 talked about what we might have for breakfast
7 snuggled
7b felt at one with… something
8 lazed
9 snuggled
10 started making the scones
11 started making the bacon
12 fresh orange juice, REALLY fresh, like nectar
13 started the fluffly scrambled eggs
14 steaming chocolate mocha!
15 everything steaming on the table at the same moment (except the orange juice of course)
16 yum bliss

Phew, we’ve had a busy day! Where’s my pillow? And it’s only 1:30pm!

Looking for a Safari browser

January 14th, 2007 1:07am. Geekery

If you use the Safari web browser and wouldn’t mind giving me a little hand with something, could you email me? I’m trying to figure out what’s up with a problem on my site.

Saw a comet today

January 13th, 2007 9:20pm. General

Cmcnaught-c2006p1_rhemann_mid.jpgharlotte and I rushed to Fort Funston to catch the sunset. We both needed the rays. Unfortunately, we missed the sun by 5 minutes. But there were a bunch of folks with fancy camera gear. I kept overhearing them talking about something moving really fast and such. Charlotte finally asked what they were doing. They were looking at Comet McNaught!

It was discovered just last year and it’s orbit isn’t known precicely, though it is extremely eccentric. It won’t be back for hundreds, thousands or maybe tens of thousands of years. NASA site on it’s orbit

I’ve only ever seen a glimpse of another comet, and that was on a hazy night. With my own eyes, I could make out the comet, streaking along just 15 million miles from the sun. And through binoculars, it looked “just like they do in the movies” :-)

So it’s a good thing we showed up when we did!

We’re going to go out just after sunset Sunday night to try and catch it. But it might already be gone.

Poetry and Pizza, Serpent Momma

January 13th, 2007 1:24pm. General

Last night Charlotte and I went to Poetry & Pizza: Murray Silvestein & David Shaddock. Charlotte immediately noticed Murray Silvestein as the author of the important A Pattern Language. The readings were quite a lot of fun. I found David Shaddock’s readings to be tremendous! Afterward, we spoke with him for a few minutes and he gave us a copy of his “Dreams are another set of muscles”. I’m looking forward to reading it!

It was hel at Escape from NY Pizza downtown. The pizza was excellent. :-)

Afterwords, Charlotte was a bit tired and I was energized so I made my way to a meeting about the Serpent Mother proposal. Worked on it (having a lot of lively and fun discussion :-) til 2am.

Flaming Lotus Girls Blog

January 11th, 2007 7:02pm. Other Sources

The Flaming Lotus Girls are taking the Hand of God to Australia. No, I’m not going :-(. But a groovy Flaming Lotus Girls Blog was created around it :-). Take a look.

Installed Math Comment Spam Protection Plugin

January 11th, 2007 12:54am. Wordpress

(note: I disabled the plugin. See the comments for more info)

To try and keep the 100+ comment spams per day out of my life (and even my ‘moderated’ pile), I’ve installed Math Comment Spam Protection. I’ve tried several “makes you add two numbers” plugins and this one seems to work best with what I have. If it makes posting comments too terrible, please tell me…. in a comment… or…. whatever.

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