«By the same token, if the quicksand have been deep, as in up to your waist, it could be very tough to extract your self from a dense slurry, not unlike very wet concrete,» stated Rick Wooten, senior geologist for Engineering Geology and Geohazards for the North Carolina Geological Survey. «The weight of the quicksand would actually make it troublesome to move for those who have been in above your knees.»

However all that was trumped in the late 1800s and early 1900s by the invention of radioactivity, which was soon adopted by calculation of the charges at which various radioactive substances decay [supply: Badash]. Earth scientists have used that data to determine the age of Earth’s rocks, in addition to samples from meteorites and rocks brought back from the moon by astronauts. For example, they’ve regarded on the state of decay of lead isotopes from rocks, after which in contrast that to a scale based on calculations of how lead isotopes would change over time. From that, they’ve been ready to determine that Earth formed roughly 4.Fifty four billion years ago with an uncertainty of less than 1 % [source: U.S. Geological Survey].

4 months later, a pregnant Palin discovered herself in a ticklish state of affairs when she was in Texas at a convention of the Republican Governors Affiliation. Just earlier than she was scheduled to deliver a speech to her colleagues, her water broke. Palin gave the speech anyway. Immediately afterward, Palin boarded a flight to Seattle, the place she changed planes, flew dwelling, and drove an hour to the hospital, the place she gave delivery to her son, Trig. She was again at work three days later [supply: BBC].

With this stuff in thoughts, you may get down to the specifics. How a lot time do you have got? Will you go alone or with pals? Are you going to create your personal hole year, or are you higher off with some construction? Where do you wish to go, and what do you want to do there? Are you able to get college credit, and how would you go about doing that? Of course, plenty of this relies upon in your finances, which we’ll get into extra in the next section [source: AGA, «Planning Your Gap Year»].