You need to have two items on you with the Silk Touch and the Fortune enchants on them to be able to complete this research.
This also consumes said enchanted items. Be careful not to complete the research with any important enchanted tools/weapons in your inventory.
Applying this to an Advanced Focus (doing this with a Blank Lesser Focus would be pointless) will let you (with touch) fire at a block and break it (with the fortune or silk touch). This does take a little time to recharge, but it's much quicker than mining and only costs a little Vis, so no need for repairs.