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Written by Jason Kendall
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Thursday, 15 October 2009 16:03 |
Ok - Quick Q.
From Mythbusters 1:
"The planned task would be to raise Mattie, 44 lbs, using balloons. The "B-Team" consisting of the build team (Scottie/Kari/Tory) handled the task."
"Experiment 1: How much weight do 10 party balloons raise? A: 100 grams: 46 balloons for 1lb. This means that they would need ~2000 balloons to raise mattie."
Average weight of a 6 year old is 40-50 pounds.
Looking at the size of the balloon relitive to a person on the ground - there doesn't seem to be enough volume to even LIFT a kid off the ground.
Thoughts?
Update 1 - Average Volume for a Balloon is 1.84 Liters2 - That would mean approx 3600 Liters of helium.
Update 2 - Look at the image here3 - and the virtual volume needed to lift that person - there is NO way that weather balloon is big enough to sustain flight with a boy in it.
Update 3 - CNN is reporting that they *MAY* have been enough Helium to carry 100 pounds - without dimentions it's hard to say. But also looking at the way the balloon was floating (from what I could see) didn't look like anyone was in there.
1 http://kwc.org/mythbusters/2004/11/mythbusters_ping_pong_balls_an.html
2 http://www.austinschools.org/matrix/Documents/Science/Resources/7th/Lung_Capacity_Phase1.doc
3 http://www.wired.com/geekdad/2008/08/cluster-balloon/ |
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Written by Jason Kendall
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Sunday, 26 July 2009 01:02 |
OK - I tormented my self googleing to find out why SH404SEF was not correcting my J15 sef urls. Couldn't find a darn thing about it. So, I turned to the code. Sure enough, it does do J! Sef, but only 1.0 - NOT 1.5 sef.
Here, I'm going to make some notes on how I view SH404SEF could fix 1.5 URLs.
- administrator/components/com_sh404sef/sh404sef.class.php - Line 3562
- We know J15 Sef builds URLs like this: (blah)/(id)-(alias) - Therefor, if we search the content DB for those items, and they exist, return "content15" (content15 to distiguish it from 1.0)
- Ignore the blah -this is part of the menu system
- components/com_sh404sef/sh404sef.inc.php - Line 206
- Need to add content15 to this, since it's now a valid J Sef.
- Same file - After shDoSecurityChecks call
- Need to actually figure out what it would be redirected too and do the redirect - maybe to a com_content url so it allows for a new auto-redirect
Need to also watch out for sef_ext.php - seems to be called in the sh404sef.in.php file...
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Written by Jason Kendall
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Saturday, 25 July 2009 22:04 |
So I've been updating my Joomla! version to the latest version and adding some new components/plugin's to this website - I can into a problem where I couldn't get TinyMCE to run due to some weird errors.
Turns out, it was a cache issue, but not at the browser level. I'm a geek, everyone knows that - and as a geek, I like my websites to be fast, so I have a 75Gig proxy server - sigh, alas, the proxy server was caching the TinyMCE js files - I had todo a little digging to find out how to expire that.
I didn't want to expire the whole cache - that would just be dumb - but found lots of websites that describes howto do that.
I also couldn't find a way to expire it via the cachemgr program - weird, I know.. but alas, you can't do it from there.
I did finally find the way todo it, and I figured I'd better at least mention it here for you.
To force cache clearing of a specific item you can use the squidclient command line tool as shown below.
squidclient -m PURGE 'URL'
Simple no?
Enjoy
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Written by Jason Kendall
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Monday, 20 July 2009 21:45 |
I went to pick up a USB->Ethernet net adapter for $9, but I wasn't sure it would work - Unfortunately, they didn't have any - So i'm delayed at this point.
My end goal is:
Have a LiveCD type boot from the SD Card so that No partitioning is required - problem with this is that the configuration would need to be saved - at this point, it appears as tho, the only config I would need to keep is the database connection details stored in /etc/mythtv/mysql.txt and /etc/mythtv/config.xml (which may not be correct).
So - Using the Homebrew Channel, you'll be able to load up the .elf file, which boots a LiveCD, the LiveCD will mount and check for a config on the SD Card which will then create the required config files. All this, while looking pretty.
Another thing I need todo is strip out all the things we won't be using from the Linux Distro I'm basing this off of - thus making it as small as possible.
A quick reminder, that you will need a USB Network adapter, because, at this point the linux kernel does not support the internal wifi adapter. Secondly, it should be noted that the Wii will only run in USB 1.1 mode - Thus, limitting to 12MB/s.
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Written by Jason Kendall
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Saturday, 18 July 2009 23:34 |
Ok - So, I've been waiting around for someone else to build a working mythtv front end for the wii, using home brew.
To say the least, I have up waiting and did it myself ;)
I took a basic Linux stack for the wii, found OOC deb packages and manually installed them into my SD card, tracked down and install all the required libs and well - to say the least - WIIIIIIII I have a mythtv front end, almost.
Unfortunatly, all the USB ethernet addaptors I have don't seem to work on the wii with linux - so I'll need to go pick up one of those to confirm that this is working. Once I get to confirm it's working, I'll preatty and clean it up build some tgz's of it and provide some details on how to install it.
Keep checking back here to see my progress!
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