If you invent a new theme park or amusement ride, how do you test it to make sure it's safe? There's no Federal Bureau of Zip Lines. I visited one of the companies that does just that sort of testing - and, now, inventing. - More about Holmes Solutions in the comment section! | Tom Scott

A little insight into how we test our zips after building! 💨 A good 2/3 days worth of work and extensive testing fit into 45 seconds 😅 It's been all hands on deck at Zip World Tower doing the first lot of tests on Phoenix, which involved sending down test weights, test dummies (Ruth looked very relaxed, to say the least), and humans, all while closely monitoring equipment, wind-speeds, in-flight speeds, landing speeds... and everyone landed safe and sound and absolutely loved it 😄 Big shoutou

Epic Zipline Fails | Barbie Blank