Adam and Jamie find out if a raft filled with helium can fly and end up with a raft the size of a parade float. Meanwhile, Grant, Tory and Kari tackle the theory that a cellphone can interfere with the instruments on an airplane.
By entering your email address, you agree to our Terms of Use
and acknowledge the Privacy Policy.
discovery
and its affiliates
may use your email address to provide updates, ads, and offers.
To withdraw your consent or learn more about your rights, see the
Privacy Policy.