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-   -   My geek thread (https://www.bikeforums.net/33-road-bike-racing/688664-my-geek-thread.html)

Braden1550 10-23-10 09:59 PM

GPS apps on my htc desire and turning a hardcase into a hard-mount for my bike.

TMonk 10-23-10 11:35 PM


Originally Posted by Enthalpic (Post 11669422)
For polymer photocells to save the world we need to get away from Pt and other pricey crap. Need a Fe or Mg compound cheap enough to print; but this stuff is a good start.

This is the kind of novel thinking that will really make this kind of technology ("Platinum" solar cells) a truly viable technology. Even with the Pt atom though, these solar cells are much cheaper to manufacture than traditional inog solar cells (Si, CdTe, CuGaInSe2, etc...), however the power conversion efficiencies are low (0.1-7% compared to 14-19% for Si...)

Also these polymers aren't printed, they are spin coated, which in my opinion offers little to no control and wide variability with the morphology of the active layer of the cells, which is the primary determinant in the battle for charge transport vs. relaxation.

EDIT: Ideally I will be able to contribute to this in a couple years from now when I am conducting my graduate research; literally 8-9/10 chemistry/materials graduate schools I have checked out have some sort of photovoltaic research going on. Only time will tell.

TMonk 10-23-10 11:39 PM


Originally Posted by Flatballer (Post 11669444)
the conversion efficiency is also still quite low. Needs a lot of work there before it can compete with the likes of thin-film. Thin-film is already pretty cheap, getting cheaper all the time, has high efficiency, and can be made in all sorts of configurations, some of them very flexible and unique.

These (plastic "organic") semiconductors are present in cells as thin films, are flexible and translucent. However you correctly noted that the big problem with these cells is their low efficeincy (relative to inorganic cells).

slynkie 10-24-10 10:29 AM

hand-editing SNMP MIB files. corporate rules prevent me from using any of the nice free tools that make this so much easier.

Scummer 10-24-10 07:49 PM


Originally Posted by slynkie (Post 11670825)
hand-editing SNMP MIB files. corporate rules prevent me from using any of the nice free tools that make this so much easier.

Corporate rules against free tools? You work for Mickeysoft?

slynkie 10-24-10 07:56 PM


Originally Posted by Scummer (Post 11673071)
Corporate rules against free tools? You work for Mickeysoft?

nope. I'd imagine any U.S. corporation big enough to get sued has similar guidelines. Even those heavily involved in FOSS.

Flatballer 10-24-10 07:58 PM

been playing Fallout: New Vegas. Great game, but gives me headaches just like Fallout 3 did. I can't figure out what it is. It feels like motion sickness.

I've played lots of FPS games, lots of first person RPGs, 3rd person RPGs, all sorts of stuff, and never had this problem except in Fallout games. Any idea what could be causing this? I really like the game, but it's not worth getting headaches over.

I think it has to do with the refresh rate, so everything seems jittery when looking around quickly (which happens a lot in this game, lots of time spent looking around for stuff to scavenge).

Urthwhyte 10-25-10 12:08 AM


Originally Posted by slynkie (Post 11673107)
nope. I'd imagine any U.S. corporation big enough to get sued has similar guidelines. Even those heavily involved in FOSS.

Actually, Microsoft's rules are incredibly liberal relative to its size.

slynkie 10-25-10 06:44 AM


Originally Posted by Urthwhyte (Post 11674129)
Actually, Microsoft's rules are incredibly liberal relative to its size.

Ok maybe I should clarify...my company has pretty decent rules around this. If you bother going through the process, you can get most tools approved for use if they're sane. What my company is looking out for, is stupid licenses that could allow the tool's copyright owner to claim some right or force some action with regard to the content it produces. e.g. a text editor that says it owns any files you create. That would be an extreme case...less extreme is the "viral" GPL quality.

I'm sure Microsoft is careful about GPL licensed software, no?

Urthwhyte 10-25-10 07:52 AM


Originally Posted by slynkie (Post 11674581)
Ok maybe I should clarify...my company has pretty decent rules around this. If you bother going through the process, you can get most tools approved for use if they're sane. What my company is looking out for, is stupid licenses that could allow the tool's copyright owner to claim some right or force some action with regard to the content it produces. e.g. a text editor that says it owns any files you create. That would be an extreme case...less extreme is the "viral" GPL quality.

That's understandable and increasingly common these days


I'm sure Microsoft is careful about GPL licensed software, no?
I don't work for them personally and can't comment extensively, but I do know engineers there that opt to use vim over VS (although I imagine that's had plenty of time to be approved, seeing as it's been around since before I was born)

slynkie 10-25-10 08:00 AM

fwiw, I (and most of my development team) use vim as well.

Urthwhyte 10-25-10 08:40 AM

Eclipse-***** here. It may be bloaty, but it lets me easily work on multi-language projects at the same time, and there's a plugin for everything except for Tetris

slynkie 10-25-10 08:48 AM

i love eclipse, i don't get to use it often enough. though i still think VS beats it on the debugging front.

i can't believe there's no tetris plugin view!! hmm...the first BF OSS project?..

Urthwhyte 10-25-10 08:51 AM


Originally Posted by slynkie (Post 11675140)
i still think VS beats it on the debugging front.

That it does, but not for Python and Java ;).

i can't believe there's no tetris plugin view!! hmm...the first BF OSS project?..
As a winter project I'm actually planning on writing a Golden Cheetah plugin to do virtual courses, CompuTrainer/TacX style, and possibly have racing. PM me if you're interested!

ridethecliche 10-25-10 09:31 AM


Originally Posted by Flatballer (Post 11673124)
been playing Fallout: New Vegas. Great game, but gives me headaches just like Fallout 3 did. I can't figure out what it is. It feels like motion sickness.

I've played lots of FPS games, lots of first person RPGs, 3rd person RPGs, all sorts of stuff, and never had this problem except in Fallout games. Any idea what could be causing this? I really like the game, but it's not worth getting headaches over.

I think it has to do with the refresh rate, so everything seems jittery when looking around quickly (which happens a lot in this game, lots of time spent looking around for stuff to scavenge).

I'll take it. Lol.

slynkie 10-25-10 09:56 AM


Originally Posted by Urthwhyte (Post 11675149)
That it does, but not for Python and Java ;).

ah yes, of course :) my life's been 95% c and c++ the last few years, it's easy to forget!


As a winter project I'm actually planning on writing a Golden Cheetah plugin to do virtual courses, CompuTrainer/TacX style, and possibly have racing. PM me if you're interested!
sounds fun. if i find the time though, i was thinking of a telemetry overlay project ala the rides video thread/dashware. i know a couple of other people have written similar apps, but i haven't seen them open the source up yet.

on a more general geekiness level - anyone else addicted to scrabb.ly? i keep trying to quit, but it makes a really great short-term distraction. e.g. if i'm waiting for some code to build and don't feel like answering emails, flip to scrabb.ly and knock out a couple of words, done.

Urthwhyte 10-25-10 12:38 PM


Originally Posted by slynkie (Post 11675489)
ah yes, of course :) my life's been 95% c and c++ the last few years, it's easy to forget!

C++0x is on my list of languages to learn, but my heart and paycheck lies with dynamic languages for the time being.

sounds fun. if i find the time though, i was thinking of a telemetry overlay project ala the rides video thread/dashware. i know a couple of other people have written similar apps, but i haven't seen them open the source up yet.
Could definitely be an interesting project. My reasons for wanting to do the virtual course thing is that I'm rather selfish and during the winter it rains something like 90% of the time in Denmark, forcing me onto the trainer. $40 on an ANT+ USB Stick and a speed sensor could alleviate some of the boredom. I'll probably end up to lazy to do it, in which case I'm just going to hook up quarqd to some pipes and force it to pause VLC when I stop pedaling

on a more general geekiness level - anyone else addicted to scrabb.ly? i keep trying to quit, but it makes a really great short-term distraction. e.g. if i'm waiting for some code to build and don't feel like answering emails, flip to scrabb.ly and knock out a couple of words, done.
One person has already tried to derail my GPA with Scrabulous, don't think you'll draw me in!

Urthwhyte 10-26-10 01:53 PM

Just finished a huge code review for a pet project of mine, another few rounds of testing and then I'll launch it to the public. If it gains half the traction elsewhere that it has at my school I'm hoping it might even score a bit of media coverage.

I'm also about to submit my application to MIT, and if that doesn't qualify as geeky, I don't know what does.

milliron 10-26-10 02:21 PM

vi or vim. But I'm an admin. My programing consists of sub 1,000 line scripts. Most are sub 100 lines.

Urthwhyte 10-26-10 02:22 PM


Originally Posted by milliron (Post 11684090)
vi or vim. But I'm an admin.

Heretic. emacs++

slynkie 10-26-10 02:38 PM

you're all crazy. i write my code with a hole puncher.

slynkie 10-26-10 02:42 PM


Originally Posted by Urthwhyte (Post 11683863)
Just finished a huge code review for a pet project of mine, another few rounds of testing and then I'll launch it to the public. If it gains half the traction elsewhere that it has at my school I'm hoping it might even score a bit of media coverage.

it's refreshing to hear of people doing voluntary code reviews.


I'm also about to submit my application to MIT, and if that doesn't qualify as geeky, I don't know what does.
good luck!

slynkie 10-26-10 02:52 PM

i'm not an EE/physicist/anyone else who'd know, so - regarding electronic gruppos. will wireless ever be feasible in the pro peloton? is there any existing technology that couldn't be jammed/hacked?

carpediemracing 10-26-10 02:53 PM


Originally Posted by Urthwhyte (Post 11684096)
Heretic. emacs++

I posted here a while ago about emacs. I think it was here. I learned enough to get by in the 5 years I worked in an emacs environment. vi is foreign to me. I still want to ctrl-e to get to the end of the line. I forgot most of it though, no usage in 3 years.

milliron 10-26-10 04:34 PM

We (large online brokerage) are a vi environment. From operations to systems|database|network engineering, I don't know anyone that uses anything other then vi.

mollusk 10-26-10 04:53 PM

I'll bow out of the emacs vs vi "wars". Whatever. They are both pretty straightforward and easy to use.

I'm just glad that I don't have to do anything in Interleaf anymore. Using that to write technical papers with colleagues way back in the day that had DEC VAX machines and just had to do EVERY freakin' thing in Interleaf gave me a huge headache.

TMonk 10-26-10 04:57 PM

I successfully made 1 byte of memory in my electronics lab out of op-amp transistors with positive feedback.

Maybe this means I will be able to understand all of the digital and computing lingo in this thread soon. Probably not.

mollusk 10-26-10 04:59 PM


Originally Posted by TMonk (Post 11684814)
I successfully made 1 byte of memory in my electronics lab out of op-amp transistors with positive feedback.

Maybe this means I will be able to understand all of the digital and computing lingo in this thread soon. Probably not.

Were these organometalic op-amp transistors?

Flatballer 10-26-10 05:16 PM


Originally Posted by slynkie (Post 11684295)
i'm not an EE/physicist/anyone else who'd know, so - regarding electronic gruppos. will wireless ever be feasible in the pro peloton? is there any existing technology that couldn't be jammed/hacked?

yeah, it's possible. Probably more expensive than it's worth. You couldn't make it jam-proof really. Anyone nearby with a really strong transmitter could always jam it, if they used the right frequency. You could make it really hard to jam, but never impossible.

The hacked part is much simpler. Just code each transmitter/receiver pair to each other using a semi-secure protocol.

TMonk 10-26-10 05:28 PM


Originally Posted by mollusk (Post 11684829)
Were these organometalic op-amp transistors?

Don't mock me :D


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