Complex sentence: Alongside this technology and science exists magic, which has been proven possible in public demonstrations by Dr. George Greco, although use of magic is only possible for a few talented individuals, and is very dangerous and highly illegal.
Split into simpler sentences: Alongside this technology and science exists magic, which has been proven possible in public demonstrations by Dr. George Greco. Although the use of magic is only possible for a few talented individuals, it is very dangerous and highly illegal.