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An engineer, a mathematician and a physicist walk into a universe. How many dimensions do they find? The engineer whips out a protractor and straightedge. That’s... Read Full Post From Nature of Reality | Apr 3, 2014 Coexisting with Carnivores—Why It’s Not a Zero-Sum Game Around the world, humans are encroaching on wildlife, sparking deadly conflicts. From NOVA Next | Apr 2, 2014 Do Time Travelers Tweet? We live in four dimensions: three spatial dimensions plus a fourth dimension, time. From Nature of Reality | Mar 26, 2014 The Inevitability of Predicting the Future For millennia, predicting the future was beyond belief. ResearchChannel. Science/Math. Abstact, Supernatural. TED: Ideas worth spreading.
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The authors hope you'll enjoy and benefit from using this document. At the end, you'll be offered a certificate of completion that you can fill out and give your supervisor for inclusion in your training record. Quizzes Quizzes help you solidify new knowledge and evaluate your own progress, but you may skip them if you wish. Selecting "CHECK ANSWERS... " scores the quiz based on the number of correct versus possible selections in the quiz. Animations Some images can display animation if you click them. Navigating Around "NEXT PAGE" will take you through the whole document, including quizzes. The Table of Contents appears on each page so you may select any chapter. The "SEARCH BSF" function, located in the bottom section of every page, lets you search through the whole Basics of Space Flight (BSF) document for any word or string of text. Introducing Abbreviations Except units of measure, abbreviated terms are spelled out the first time they are used.
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