Yes you can!
OF COURSE NOT! Redstone dust, redstone torch, pistons, and sticky pistons don't exist in minecraft!
You need an iron or diamond pickaxe to mine redstone ore
You have to mine redstone ore.
This "dust that transfers" energy in Minecraft is called Redstone Dust. It is a red colored dust which can be used to build circuits that transfer redstone signals.
redstone dust
Redstone makes the potion last longer when you drink it.
Redstone Blocks now exist in Minecraft 1.5. You can make them by combining nine redstone dust on the crafting table.
Redstone dust. It's red.
To make a redstone torch, you must have one redstone dust and one stick. You put the stick on the bottom and the redstone dust above the stick. It's the same recipe as a torch, only with redstone dust instead of coal.
red, redstone dust is used for electric signals.
To make a simple redstone switch in Minecraft, you need a redstone torch, redstone dust, and a block. Place the block on the ground and attach the redstone torch to one side of it, which will power the block. Then, place redstone dust on the ground adjacent to the block to connect it. When you power the torch, it will activate the redstone dust, allowing you to control redstone circuits easily.
To make potions last longer, you add redstone to them.