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
Princess Jellyfish Princess Jellyfish "Princess Jellyfish" centers on Amamizukan, an apartment building in Tokyo, where the only tenants are otaku women, and where no men are allowed. While each character has her own particular fixation, the protagonist is Tsukimi Kurashita, whose love of jellyfish stems from memories of her deceased mother taking her to an aquarium and linking the lace-like tendrils of jellyfish to the dresses of princesses. Tsukimi hopes to become an illustrator and is an awkward girl terrified of social interaction, attractive people and the prospect of formal work. The other tenants of Amamizukan are the same, being NEETs who