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The redstone lamp is powered, it seems, because it is lit. Then the cobblestone block in the middle should be powered as well with the same logic, but it seems it is not powered because the redstone dust upon it is not.

Why?

The third couple of blocks shows that a powered cobblestone block should power redstone dust that is lying upon it.

Screenshot

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5
  • What is "both redstone dusts"?
    – WarpPrime
    Aug 25, 2020 at 18:44
  • Added explanations.
    – Anders Lindén
    Aug 25, 2020 at 18:51
  • Which edition of Minecraft are you playing?
    – pppery
    Aug 25, 2020 at 19:43
  • I play the java edition.
    – Anders Lindén
    Aug 25, 2020 at 20:36
  • 1
    E.g. redstone.build/chapter3 would be a good resource.on this problem.
    – aphid
    Aug 27, 2020 at 11:57

1 Answer 1

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I got an explanation in the #mincraft channel on freenode that redstone torches from the side only "soft powers" a block. Sufficient for a redstone lamp to be lit, but not to power redstone dust above it.

A redstone torch from below is on the other hand hard powering a block, also affecting the redstone dust.

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1
  • Could you correct your answer with an edit, instead of the comment, and elaborate?
    – aphid
    Aug 27, 2020 at 11:50

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