How is the propulsion system different from the California Screamin&#x27; launched roller coaster?<p><a href="http:&#x2F;&#x2F;www.nytimes.com&#x2F;2001&#x2F;08&#x2F;30&#x2F;technology&#x2F;how-it-works-the-latest-at-the-theme-park-a-magnetic-attraction.html" rel="nofollow">http:&#x2F;&#x2F;www.nytimes.com&#x2F;2001&#x2F;08&#x2F;30&#x2F;technology&#x2F;how-it-works-th...</a>