MinuteEarth

• The Problem With Concrete

  To learn more about this topic, start your googling with these keywords: Portland cement - the most common type of cement used worldwide, made with limestone Limestone - a hard sedimentary rock, composed mainly of calcium carbonate (which is also in shells & eggs) Cement - a powder used in construction that’s made by grinding clinker with other minerals and mixing with water to form a paste that sticks to sand, gravel or crushed stone to make concrete Concrete - a building material made by mixing cement with water to form a paste that gains body through fillers like sand and gravel Clinker - an intermediate marble-sized product in cement production created by sintering limestone with clay and other things Sinter - to turn a powdery solid into a single mass by heating it without liquefaction Mortar - another building material (used to adhere bricks or stones together) made by mixing cement with water and sand Calcination - the process of heating a substance to a high temperature, but below its melting point, so it thermally decomposes (like limestone into lime & CO2) Process emissions - the name for the CO2 that comes from limestone when it thermally decomposes MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices

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• Why Earthquakes Are So Hard To Predict

  To learn more about this topic, start your googling with these keywords: Earthquake: A violent shaking of the earth, usually due to movements of tectonic plates under the earth’s crust. Seismometer: An instrument that detects changes in the up-down motion of the earth. Seismic body waves: Higher frequency waves released by earthquakes that can move through solid rock. Seismic surface waves: Lower frequency waves released by earthquakes that move along the ground and cause most damage. Earthquake Early Warning System: A network of strategically placed seismometers that trigger emergency warning systems in particular areas when they detect large seismic body waves. Evacuation Clearance Time: The time needed to evacuate a particular population to safety. Earthquake Precursor: An anomalous event that gives an effective warning of an impending earthquake. Transform Faults: Faults where two tectonic plates slide past each other. MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices

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• Black Bears

  MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices

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• Let’s Categorize Bears

  MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices

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• Why Are Your Fingerprints Unique?

  To learn more about this topic, start your googling with these keywords: Fingerprint: The markings on the skin on the last joint of the thumb or finger. Fingerprint Ridges: The raised lines on the fingerprint. Fingerprint Pattern: The main design in the middle of the fingerprint; usually a loop, whorl, or arch. Volar Pad: The mass of stem cells that grows under the fingers during a particular time during fetal development that is responsible for determining the pattern of the fingerprint. Fingerprint Minutiae: The various tiny points in each fingertip where the ridgelines get blocked or split. Compound Probability: The likelihood that independent events will occur simultaneously. MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices

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