Redstone in blocks

Redstone in a block can be useful if you want to hide your redstone circuits or save space in your house or shelter.
For example: if we could craft an oak plank with redstone to make it : redstone in an oak plank. And to remove this redstone from the block we could break the block to get the block and the redstone separately. If we use a block containing redstone and place it next to a redstone lamp, it will light up.