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Parasitic worms that grow and live curled up inside of ants, warping their anatomy over time, until they burst out to go a matin'.Scale that up to human-size and you've got some good monster fodder.
Lighter, stronger ropes mean the main limiting factor in constructing higher skyscrapers would become the cost, says Antony Wood, an architect at the Illinois Institute of Technology, in Chicago. Dr Wood is also executive director of the Council on Tall Buildings and Urban Habitat, which, among other things, lists the official heights of skyscrapers. At present the tallest is the Burj Khalifa in Dubai, which was completed in 2010 and, at 828 metres, shot past the previous record-holder, the 508-metre Taipei 101 tower. The Mecca Royal Clock Tower in Saudi Arabia, completed in 2012, is now, at 601 metres, the second-tallest. The Freedom Tower in lower Manhattan, built near the site of the World Trade Centre’s twin towers (417 metres and 415 metres) that were destroyed by al-Qaeda in 2001, had its spire added in May to reach 541 metres. But work has now started on the Kingdom Tower in Jeddah, Saudi Arabia. Its exact proposed height is still a secret, but it will be at least a kilometre.With a big enough budget it would, says Dr Wood, now be possible to build a mile-high (1,600-metre) skyscraper. Even with carbon-fibre ropes few of such a building’s lifts would go all the way from the entrance lobby to the observation deck. Most would debouch into intermediate sky lobbies, where passengers could change lifts (not least because a mile-high lift which seemed to stop on every other floor would not be popular; it would be unutterably tedious and might force the poor souls on board to make eye contact).