give an idea to make a super conductor.?
610625
It depends on what superconductor do you want to make. For example, let me give you a brief idea about making the most common 'High-Tc Superconductor' YBCO:\n\nRecipe for a homemade superconductor \n1.825g or 0.005M  Y(NO3)3.5H2O \n2.614g or 0.010M  Ba(NO3)2 \n3.624g or 0.015M  Cu(NO3)2.3H2O \n\nWeigh out the ingredients and grind together thoroughly in a mortar. Transfer the mixture to an alumina crucible and place in the centre of a tube furnace. Pass a slow flow of oxygen over the mixture and bake at 350°C for 1 hour. Then increase the temperature to 950°C and cook for a further 3 to 4 hours.  \nAllow the furnace to cool somehwhat before removing the crucible with tongs and gloves. Let the crucible cool on a fire-brick before emptying the contents into the mortar. Re-grind thoroughly.  \nThen press two 13mm pellets from the mixture (at 12 tons pressure). Place them in a crucible lined with platinum foil. An unlined crucible won't do since it would contaminate the pellet. Re-heat the crucible in the furnace to 950°C with a slow flow of oxygen. Programme the furnace to cool the sample at 50°C/hour through the tetragonal-orthorhombic phase transition (at 690°C). Ensure an appropriate sign for an overnight reaction is displayed on your furnace and do remember to ask a Senior Demonstrator first! Switch off the tube furnace, allow to cool a little and then remove your sample as before. \n\nJust a note at the end: You can't say Superconductors are 'conductors' with no resistance! In fact, superconductors are materials which essentially show the following two properties:\n1. zero electrical resistance, and\n2. expulsion of magnetic field.
313864
Use a plasma beam... God havent you seen ghostbuster.
867420
about heating maching bring a thick wire and wrap it around a spoon then the tips connect them into electric source (big one) dont do it alone it gets really hot ...ok\nabout the cooling machine i dont know
815673
OK I'm cheating - I put this answer up a little while ago.\n\nA quick and dirty idea for a physics project would be one based on electromagnetism. Without knowing what grade you're targeting, a simple one that has a fair amount of pizzazz is to build a gauss rifle. Checkout http://sci-toys.com/scitoys/scitoys/magnets/gauss.html\n\nThe sci-toys site has some other pretty cool stuff that you might find useful as well.\n\nFor a more advanced example, you can make a small rail gun that applies similar principles but can have a much larger kick. Just do a search on "rail gun experiment".\n\nEnjoy!!
7127
here's a site with pics that might give you some ideas:\n\n\nhttp://www.physics.usyd.edu.au/competition/comp1998/comp98.html
826242
rubbing 2 things together to create heat.\nRub yor hands together really fast and see what happens.
141111
Its like a microwave for metals, only kilohertz instead of gigahertz.  Its done with a coil instead of a magnetron.
813210
No.\n\nIt is perfectly possible for electricity to flow even at absolute zero - those who think it is not need to revisit their understanding of what thermodynamic temperature is.\n\nSuperconductivity is a very special case, and you cannot form electrical impulses in a superconductor - in fact you cannot change the current flowing in a superconducting circuit at all without introducing a non-superconducting element (usually called a weak link).
800088
any good diy book will do or perhaps links on the internet.\n\nin the uk its all about getting a phase neutral and earth around each point.\nso for the sockets grab a reel of 2.5mm 2core and earth (so called because the earth doesnt have an extra layer of insultation) and take it round to each socket in a ring. usually fuse at 32A with a circuit breaker.\nfor an immersion heater fuse at 16A and take a single 2.5mm 2c and earth cable.\n\n(This starts getting a bit boring, go and buy a book)
238922
Howstuffworks has good diagrams and explanations that may help you.  Good luck.
531203
prooly need ifrared thingy\ntry a industrial magnet
935132
keep it far from electrodomestics\n\n:> peace\n.
145391
I believe that you have described radio and TV transmission without cables.  If you could supe that up to practical power levels (lightning?) we would all become receivers and turn to toast.  But I do believe that Tesla had plans on how to transmit power through the air and you might want to check that out as he was an electrical genious.
729824
That would be an enormous capacitor to be built, and yet the charge of a lighting bolt will vaporize such a huge capacitor, the answer is no, it not possible..☺
96221
use a collimator.or magnetic fields.
11246
Yes, but two things are very important to make this happen, and they are:\n\n1) You must be decently smart to be an electrical engineer.\n\n2) Out of the billions of people on the planet Earth, you must be one of the top 150 basketball players among these humans. \n\nMy advice: Forget basketball, concentrate on math.
832687
Look up an old Wizard named Tesla! Your teacher will be proud of you, and you will have a great time learning a lot of cool stuff!\n\nhttp://www.pbs.org/tesla/ll/index.html