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science fair project
This thread has 3 replies. Displaying all posts.
Post 1 made on Thursday February 1, 2001 at 15:55
doug and zack hansing
Historic Forum Post
Would like some help from some of your more technically advanced people out there! My fourth grade son is doing a science fair project and is interested in the infrared tv remotes. We have been looking at how the signal from the remote can be reflected back to the receiver in the TV. To date almost everything seems to reflect the IR energy, even dish towels at short distances. Any suggestions?
OP | Post 2 made on Friday February 2, 2001 at 08:40
Historic Forum Post
Have you tried something black?
OP | Post 3 made on Saturday February 3, 2001 at 10:52
Historic Forum Post
We haven't tried anything black. We've been focusing on different surfaces; plates (glass and dinnerware),cloth, paper, basically whatever you find around a kitchen. Is the color of the reflector as important as the type of surface?
OP | Post 4 made on Saturday February 3, 2001 at 16:35
Daniel Tonks
Historic Forum Post
Pretty much -- just like sunlight. White reflects, black absorbs.

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