OPTICAL OR OBSTACLE ILLUSIONS

WHAT ARE OPTICAL OR OBSTACLE ILLUSIONS? WHAT MAKES THEM THE SAME? HOW CAN AN OPTICAL OPERATE AS AN OPTICAL? WHERE DOES THE OBSTACLE STEM FRO,? CAN OPTICAL OBSTACLES REALLY BE OVERCOME? FIND OUTTHE ANSWERS TO ALL OF THESE QUESTIONS TONIGHT AT 10PM ON MENTELLECT RADIO(BLOGTALK) FEAT THE INTEL.NUBEN MENKARAYZZ/MFA/144,0000