Jellyfish the first vortex and pushes the animal forward, but the mesoglea is so elastic that the expansion is powered exclusively by relaxing the bell, which releases the energy stored from the contraction. Meanwhile, the second vortex ring starts to spin faster, sucking water into the bell and pushing against the centre of the body, giving a secondary and "free" boost forward. The mechanism, called passive energy recapture, only works in relatively small jellyfish moving at low speeds, allowing the animal to travel 30 percent farther on each swimming cycle. Jellyfish achieved a 48 percent lower cost of transport (the amount
Superfast Jellyfish track, by Unicorn Kid, was premiered on BBC Radio 1's Zane Lowe show on 12 April 2010. On 27 April 2010, the group performed the song live on "Later... with Jools Holland." The official music video for "Superfast Jellyfish" was uploaded to YouTube by Jamie Hewlett on March 8, 2010. The video shows a man waking up at the sound of an alarm, going downstairs, and cooking a box of "Superfast Jellyfish" in his microwave. Once ready, he begins to eat one of the jellyfish, however, he is sent into a trance in which the jellyfish perform a dance around