Tell us about yourself!
for the unobtainable ones how about making something that looks like the element but isn't radioactive, unstable or expensive. like a clay replica if its a solid. So it's safe to have anywhere and looks as real as possible. very cool project btw. I was thinking of doing something similar with cubes for quite some time now.
3D periodic table
way better results than just putting tape on it or ironing on printer toner and tossing it into an etching bath.
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That system has the panel at a not so good angle at peak sun hours. you want it perpendicular to the sun the whole time. it's effectively a counter-intuitive system. Also the small solar cell used to momentarily power the motor is also not used to its potential. The whole point of using a solar tracker to point a solar panel at the sun is to use the panel at its fullest the whole day. its best to have it tilt than rotate. This instructable is more of a toy than a good solar power generator, like that link looks like.
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Nice idea. but.. just a tip.The "color" black is light being absorbed hardly reflected, which is why black objects heat up more in the sun. White is mostly the opposite, its not reflective like a mirror is, but it absorbs very little actual light/heat and dissipates most of the light. This is also why we don't have true "black lights" you cant have a light bulb that absorbs light making rooms dark. it just doesn't work that way. lol The top of your black brim is still absorbing light/heat. The fan will take some of that surrounding heat and blow it towards your face... that effect would be reduced with a white hat, and might feel a little cooler. you can still wrap your foil on it, that does help reflect nearly all light. but it also has an added bonus of looking fun...
Nice idea. but.. just a tip.The "color" black is light being absorbed hardly reflected, which is why black objects heat up more in the sun. White is mostly the opposite, its not reflective like a mirror is, but it absorbs very little actual light/heat and dissipates most of the light. This is also why we don't have true "black lights" you cant have a light bulb that absorbs light making rooms dark. it just doesn't work that way. lol The top of your black brim is still absorbing light/heat. The fan will take some of that surrounding heat and blow it towards your face... that effect would be reduced with a white hat, and might feel a little cooler. you can still wrap your foil on it, that does help reflect nearly all light. but it also has an added bonus of looking funny.
i have no idea why it put a new line after "color" lol....it wasnt like that in the text editor.
nice hot wire cutter. don't forget safety info, a lot of kids use this site. some may be irresponsible and burn their house down trying to cut random objects with it... I suggest adding a momentary switch to a handle so if its dropped it will turn off.
Supercapacitor Joule Thief
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what makes it "full size" "large work area"looks pretty small compared to standard 4x8ft or 5x10ft cnc table. you didn't say "desktop cnc" either but i don't think there is a standard size for those. and i'm sure that's what you meant. the work area is considered small in industry standards. because its a desktop cnc. other than that lol (sorry if it was a little rude just wondering why its called "full size")its a good instructable but the curved work area table is a little odd..
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