Originally Posted by CFTraveler I made up the term- I just feel my way around, not with real 'touching' but more like 'detecting where space is and where denser space is'. It's hard to explain, it's sort of 'tactile vibration feeling'. I hope it wasn't too muddy. Maybe another projector can describe this better. It's almost 10 here I have to go. Have a nice morning (evening for some) everyone.