You have to mine redstone ore.
You can mine redstone with an Iron, Gold or Diamond pickaxe.
Redstone makes the potion last longer when you drink it.
Yes, I tend to find diamonds near redstone
you can put a redstone repeater behind any type of piston and when you add a redstone charge it should work
You need an iron pickaxe to get redstone in Minecraft.
You have to mine redstone ore.
Yes, redstone can activate any type of door in minecraft :)
As of 06/29/14, there are no Redstone Blocks in the PS3 version of Minecraft.
Redstone Blocks now exist in Minecraft 1.5. You can make them by combining nine redstone dust on the crafting table.
You can mine redstone with an Iron, Gold or Diamond pickaxe.
Redstone Ore veins are found below layer 16. veins are most common on layer 8. There are 25 ores per chunk on average.Sources: Redstone Ore - Minecraft WikiOre - Minecraft Wiki
The redstone will burn. No questions asked, it burns.
Redstone makes the potion last longer when you drink it.
There is no such this as a redstone pickaxe.
Yes
Diamonds are about 9 times rarer than redstone.