You get redstone dust and place it on the ground or a block. You can't put redstone wire on walls or roofs.
Redstone acts like a wire you can use it to make doors open and to make minecart tracks and more
You have to mine redstone ore.
Redstone Blocks now exist in Minecraft 1.5. You can make them by combining nine redstone dust on the crafting table.
Yes.
Make a redstone circuit.
You mine it from redstone ore.
redstone torch
Redstone is the electricity of Minecraft. Using Redstone, one can make a infinte variety of electrical devices such as arrow traps and blowing up TNT.
To make potions last longer, you add redstone to them.
You need an iron pickaxe to get redstone in Minecraft.
Ah the redstone repeater, a very useful item, here is how you use it: - = redstone wire > = redstoen repeater -->--------- You have to make sure you place the repeater the direction the redstone is traveling. Also when you click on the repeater, the torches move right? That is for setting delay on the repeater or in different words setting how long it takes for the redstone signal to pass through the repeater. Enjoy your redstone circuts :)
Its called a redstone lamp. It is crafted with a glowstone in the middle and four pieces of redstone around it.