Redstone Blocks now exist in Minecraft 1.5. You can make them by combining nine redstone dust on the crafting table.
Redstone blocks? You need an iron pickaxe.
Redstone blocks? You need an iron pickaxe.
You use a red stone repeater to delay redstone signals, to extend the range of redstone (12 blocks), or to transmit signals through solid blocks.
You type a command into them, then activate it like any other redstone item
Redstone Torches can only be obtained by crafting, and the required Redstone can only be obtained from Redstone Ore blocks. There are none of those in Skyblock so the only option is to cheat.
You mine it from redstone ore.
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 :)
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