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Create a stable arc across a slit in a box, then use one electromagnet inside the box and maybes one outside to oscilate the arc back and forth. This might then act like a speaker cone, except it will have almost 0 mass so could be an improvement over the traditional design?
Registered Member #540
Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Using a blank HD's platters and heads to write down single event things so you can view them later. Everything would have to be timed perfectly to avoid jumps in the data.
Registered Member #2028
Joined: Mon Mar 16 2009, 08:13PM
Location: Norway
Posts: 319
I have been toying with the thought of an amplitude modulated SSTC, replacing the standard bridge operating in linear mode with a high voltage DAC operating in a saturated mode. This should allow for a lot higher power throughput.
Im just venting my brain, i have no idea wether this is even feasible.
Heated windshield wipers. I'm this close to just taping some resistance wire on the damn things.
Thats a pretty good idea :D Would work even better if you could add another setting to the car that would slowly move the wipers across the screen to defrost it in one swoop
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
ooo... use some conductive tape harvested from a defunct fish tank/terrarium heater?
Also another idea is to wind ultrathin nichrome wire round a glass rod, and glue this inside a second glass rod. Or glue it between two glass sheets using UV reacting epoxy.
Myke wrote ...
Using a blank HD's platters and heads to write down single event things so you can view them later. Everything would have to be timed perfectly to avoid jumps in the data.
Use a piece of ZnS film mount it on hdd platter, "flash" it with infrared to drain the luminescence then record the signal to that using UV LED. recirculate the signal using a pickup to compensate for decay...
this might work well, as a green LED will sense the luminescence nicely. Make a Turing machine? :)
Registered Member #1451
Joined: Wed Apr 23 2008, 03:48AM
Location: Boulder, Co
Posts: 661
AS long as the wind shield wiper is going... Make a matrix-contact type sensor plate and determine how hard the rain is coming. Clear the plate with every wiper swipe and time how long to reach a certain resistance? Then use this to adjust speed of wipers!
Registered Member #1497
Joined: Thu May 22 2008, 05:24AM
Location: Toronto, Ontario, Canada
Posts: 801
If we're on the topic of using HDDs to store single event information, why not use a VCR or old audio casette recorder to record data from experiments? A known playback rate would make the data consistent for the most part no?
Registered Member #540
Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
I was thinking of capturing pulses or edges so that's why I was thinking of something that moved pretty quickly so I could capture a lot of the detail. A VCR/cassette tape is a good idea. I guess I could run the VCR tapes really really fast and capture things that way but I don't know what would happen to the tape if it went that fast. How do scopes capture single event things if they don't have a CRT that makes the already exposed phosphors glow?
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The ideas thread
