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
Best! (Jellyfish album) 6 and 12 are demo recordings. Tracks 10, 11, 17 and 18 are live recordings. Best! (Jellyfish album) Best! is a greatest hits compilation by the 1990s pop band Jellyfish. The album was released in 2006 and featured twenty tracks. Eight of the tracks were non-album while the other twelve consisted of songs pulled from the band's two (and only) albums, "Bellybutton" and "Spilt Milk". The song "Ignorance is Bliss" was taken from a Nintendo games compilation entitled "" and is inspired by the video game Super Mario World. The song "No Matter What" is a live cover of a