Thursday, July 23, 2009
This is a very useful invention that can help a lot, this mechanism may save some fingers stopping immediately the saw.
The creator of machine will test the efficiency of his invention, the saw will stop? See for your self
Your Text description. Fill it Or leave it blank.
Interesting phenomena, I didn’t know that rainbow light was polarized
"An early electrostatic influence machine, invented by Wilson in 1804. A ball electroscope observes the output voltage."
From: youtube description video
Science bob explain quickly how to produce sounds from a straw and how to make a chicken voice using a plastic glass.
http://www.youtube.com/watch?v=RwJr6Iugcrkendofvid
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This videos shows how polyurethane foam is made, you need just mix together the polyol and the isocyanete. A chemical reaction will happen and the total volume will grow up 30 times the original size.
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http://www.youtube.com/watch?v=gjUFTiHYN5kendofvid
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Find out how the materials absorb heat and the relation between heat and temperature for different materials.
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http://www.youtube.com/watch?v=rOib92FriZYendofvid
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Instead of these materials you can use a simple magnet from speakers, paper clips and adhesive type to build your own electrical motor.
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An invention that can save a life, or some fingers
This is a very useful invention that can help a lot, this mechanism may save some fingers stopping immediately the saw.
The creator of machine will test the efficiency of his invention, the saw will stop? See for your self
The effect of a polarizer on a rainbow light
Your Text description. Fill it Or leave it blank.
Interesting phenomena, I didn’t know that rainbow light was polarized
Make at home one Wilson's machine
"An early electrostatic influence machine, invented by Wilson in 1804. A ball electroscope observes the output voltage."
From: youtube description video
Music from a straw and a chicken in a cup
Science bob explain quickly how to produce sounds from a straw and how to make a chicken voice using a plastic glass.
The magic of polyurethane foam: polyol and isocyante
[starttext]
This videos shows how polyurethane foam is made, you need just mix together the polyol and the isocyanete. A chemical reaction will happen and the total volume will grow up 30 times the original size.
[endtext]
Is possible to boil water inside a balloon?
[starttext]
Find out how the materials absorb heat and the relation between heat and temperature for different materials.
[endtext]
Simple way to build an electrical motor
[starttext]
Instead of these materials you can use a simple magnet from speakers, paper clips and adhesive type to build your own electrical motor.
[endtext]
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