Knowledge of Past

In many cases, we shadower unlock huge chunks of k straightledge about the early(prenominal) by using innovative technology as a key. Lets look at a few things and see this in action. Carbon-14 is slightly radioactive, and levels of this isotope in the activate have been pretty constant over the past atomic number 6 thousand years. We know this because of the air trapped in wish-wash cores taken from deep holes in ice at the poles. This translates into carbon-14 (C-14) levels that were and be pretty constant in all living things now and sanction over that last hundred thousand years. When something that was liveborn dies, the C-14 in it begins to decay and is not replaced by respiration or life processes. By subjecting dead stuff that was once animated to refined analysis, we can tell how yearn past it died. We cannot clear up back to a hundred thousand years, but we can go back many tens of thousands of years with careful occupation of radiocarbon dating technology. In the case of uranium-239, this isotope has an exceptionally long one-half-life. We can sample certain rock types and date them back to nearly four billion years. Rock samples from space forego us to date materials back even further, hence the estimated term of the earth at about four and a half billion years.

Were very good at doing stuff wish well this, despite what a few Bible-thumping zealots think. The technology does work, and few do not accept the science (advanced technology) behind the processes. Analysis of fossils has allowed us to paint pictures of what life millions of years ago was like on planet earth. And the analysis of rocks opens the pages of the dusty books of the past and allows us to see things like the movement of land masses. We could go on all day about the application of advanced technology to revealing what the earth was like long ago. As to the ability of advanced technology to supply conclusive picture regarding the past to the investigator looking into such things, most thinking people who understand the advanced... If you want to get a full(a) essay, order it on our website: Orderessay

Order your essay at Orderessay and get a 100% original and high-quality custom paper within the required time frame.