A Skyscraper So Tall Builders Can't Use Walkie-Talkies

If you want to build a skyscraper 2,275 feet tall, you will face engineering challenges comparable to those of the Space Shuttle just because its sheer size. One of them is communications. When the unbelievable Burj Dubai » 8/22/08 1:10pm 8/22/08 1:10pm started to get really high, the construction workers discovered one problem that seems obvious…