Recent content by ze-ro

we can build that long magnet?

http://en.wikipedia.org/wiki/Maglev_train#Existing_maglev_systems

I want know that can we build a long Permanent magnet for a Maglev way ? Please say that its possible ? (i attached one picture , with that you can understand that what is my question and what is a long Maglev way by a Permanent magnet)

please give me a link only i want info

please help me ...

any body here? Materials & Chemical Engineering forum is OBSOLETE !?

In our specific wilderness , we have often lights as 60-70"centigrade !

I want know that With Light Balancing Filters we can limit lights more than 55"centigrade ? I want a filter that EJECT further lights than 55"centigrade and only allow to <55"centigrade lights ! (i have a special vegetable that need a lot of heat ; But lights more than 55"centigrade can...

How i can build a cheap and big Laser ? (please insert pic)

how much is the best ?

Is 55°C best status for solar cells?

If we build a High Temperature superconductor without Meissner effect ; So it can build energy?:confused: