I hope I catch one.
From the Guardian:
"The planes, designed by the Japan origami airplane association, survived temperatures of 250C (482F) and winds speeds of Mach 7 - seven times the speed of sound - during their 30-second flight inside the university's hypersonic wind tunnel."
And to think this used to be enough to impress me:
(mental note: see if university will let me play with hypersonic wind tunnel)