I've got a question regarding TNT, redstone, and power. I'm going to have the TNT in a grid of 7x6 in three layers and a TNT every 6 blocks on one axis. How do I activate all of them at once with redstone? I messed around in SP mode and the power only goes so far and I'm not sure about having all three levels connect to a single lever control. I'm sure there is some kind of circuit combination that would let me do this, but I have no experience with redstone circuits.
My other option of course, is to simply use a chain reaction, but I'm going to need up to twice as much TNT as I need now (maximum of two stacks with the current configuration).
Also, I asked if TNT would explode if I used a redstone under it, Fiah said yes, however I checked in SP and nope.
Edit: Did the AFK timer get changed from 15 minutes to 10? Not complaining, just observing as I thought it was 15 minutes before.