Recent content by itzkovitch

Macon, you are right about me being up for a challenge and you summarized my problem quite well. :) Ideally, I would have like to have a passive system were no energy input is required. I looked at the super hydrophobic sprays that are newly available today which show some de-frosting...

Hey thanks for your reply guys. Well I really thought of coating my driveway with this substance and use it for defrosting purposes. Then I realized that since the driveway is soft and porous any cracks that might occour on the driveway overtime will stop the current flow and render my coating...

I was thinking something that can go a bit further like microwave or radio wave transducer but don't know how to make such a device. Any ideas?

In order to know the mass of 1 mole of paper you first have to know the chemical composition of paper. Paper is a composite of various materials so it would be difficult to calculate.

Hi I have a project to were I would like to melt ice from several feet away. Is there an electromagnetic transducer that I can operate to melt ice? What resonate frequency would I need to use? Any ideas? Thanks

[mentor note: content deleted, replying to off-topic content]

You have to define dangerous. Dangerous can be broken into toxic and hazardous. Toxic means how much of the substance can kill you and hazardous means how easily it can enter your body to harm you (The easier a substance enters your body the more hazardous it is; eg. through your lungs by...

Thanks for replying Billy. I need large quantities of this and commercial conductive paints out there are very expansive. I figure I could make it myself for a fraction of the cost.

Hi I have a project where I am trying to make a coating or paint that will give off heat when an electrical current is passed through it. I got graphite powder and made it into a paste and allowed it to dry on a substrate. The problem is that it is highly resistive (a small section has a...