well not at all.
The 65-year-old was the first person with a disability to experience the flight by Zero Gravity Corp., which has flown about 2,700 people out of Florida since late 2004 and began offering the flights in Las Vegas this week.
"As you can imagine, I'm very excited," Hawking told reporters before the flight. "I have been wheelchair bound for almost four decades. The chance to float free in zero-g will be wonderful."