It allows power boats to have stability while cruising. The cathedral hull is like a trimaran in terehat it has one main and two side hulls stuck together so that has a somewhat square to rectangular shape and therefore exhibits greater stability than a single hulled boat. It became more popular with the advent of fibreglass boats in the 1960's and '70s.
<span>Google
Glass was interesting; a personal screen overlaid onto the real world,
with 'augmented reality' ideas. The Nintendo 3DS was the first 'no
glasses' portable 3D system.
So I predict Google 3D Glasses with built in Dolby 9.1 sound emulation. </span>
Gas giants DO have rings and satellites.
It's true.