February 2012
1 post
3 tags
How to make your internet at faster
I just talked to the Comcast guy for my 6 month price renegotiation. He explained the price like this - it will cost $34.95 for the high speed internet and another $10 for the increase in speed. To which I say - “What? I pay an extra $10 to make the high speed internet faster?” Yep. We chatted for a bit and then I finally asked him for some numbers explaining that these relativities...
Feb 4th
January 2012
5 posts
4 tags
Jan 30th
2 notes
Jan 25th
Jan 9th
WatchWatch
A video of my bicycle light.  Instructions for a single lamp version of the tung lin dynamo powered bicycle light are below. Of course, I upped the game a bit since that post - now the same dynamo is running three lights in parallel. The lighting system is simply fantastic for the a ride in the dark. I can clearly see things in the road even when riding at 20 mph. Thank you physics and...
Jan 9th
4 tags
Tung Lin Dynamo Update!
Over the holiday break I broke down some physics with my friend Stephen. Bottom line - on the Tung Lin, scrap the rear tail light port. You get more power/current/voltage from the headlight port. Enough to run 3 of the 4w 12v LED’s I mentioned in the previous article. I wired there up in PARALLEL and the street is brighter than any other bike light I’ve seen. Two in front, one in back...
Jan 4th
1 note
December 2011
3 posts
Dec 24th
5 tags
Dec 13th
206 notes
8 tags
Tung Lin Dynamo + Super Bright LED
Prelude In my quest to minimize battery use I recently embarked on building a self powered headlight for my bike. The purpose of this post is to help others with similar aspirations. I found numerous instruction sets across the web but none of them addressed all of my needs in a clear and well documented way. So here is my attempt at adding something useful to the web. I hope it helps. The bottom...
Dec 4th
64 notes
October 2011
4 posts
Oct 10th
Oct 8th
2,363 notes
Oct 6th
Sad.
That Steve Jobs is gone; he lost, the world lost. 
Oct 6th
September 2011
1 post
Sep 28th
May 2011
1 post
WatchWatch
The family, working hard on christmas.
May 15th
April 2011
3 posts
Apr 11th
Apr 11th
Apr 3rd
March 2011
3 posts
CVPR
Finally figuring out this tumblr business after looking at some heart stuff all day. The heart is one complicated beast but fascinating in a way that mechanics, engineers, physicists any many other professions would/do marvel at.
Mar 30th
Mar 20th
Mar 19th