tech e blog

Unlike other Disney coasters, the Rock 'n' Roller Coaster "accelerates from 0 to 57 miles per hour in 2.8 seconds, and the riders experience 4.5g as they enter the first inversion, more than an astronaut does on a space shuttle launch." Video after the break.

Rock 'n' Roller Coaster Starring Aerosmith is an enclosed steel roller coaster ride at the Disney's Hollywood Studios at the Walt Disney World Resort, and at the Walt Disney Studios park in France

Steel Dragon 2000, located at the Nagashima Spa Land Amusement Park in Mie Prefecture, Japan, is currently the world's longest steel roller coaster, with a track length of 8133-feet. Video after the break. Click here for more images.

Kingda Ka at Six Flags Great Adventure is currently the "world's tallest and fastest steel roller coaster". Costing a hefty $25-million to build, it goes from 0-128mph in just 3.5-seconds (1.67g's) -- powered by a 20800 horsepower hydraulic launch motor -- and the steel track peaks at a daunting 456-feet. Click here for more pictures. Video after the break.