AUSTIN, TX - MARCH 17: Scientist Astro Teller speaks at 'Moonshots and Reality' during the 2015 SXSW Music, Film + Interactive Festival at Austin Convention Center on March 17, 2015 in Austin, Texas. (Photo by Amy E. Price/Getty Images for SXSW)
AUSTIN, TX - MARCH 17: Scientist Astro Teller speaks at 'Moonshots and Reality' during the 2015 SXSW Music, Film + Interactive Festival at Austin Convention Center on March 17, 2015 in Austin, Texas. (Photo by Amy E. Price/Getty Images for SXSW)