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Polaris Star: How to Spot the North Star in the Night Sky
science.howstuffworks.com/north-star.htm
Polaris, also known as the North Star, is almost exactly over the celestial North Pole, making it extremely useful for navigation (and for making wishes on, as well).
Pole Shift: Why Does the North Pole Move?
science.howstuffworks.com/environmental/earth/geophysics/question782.htm
The North Pole and why it moves are explained in this article. Learn about the North Pole.
Portland Cement: A Concrete History With Structural Integrity
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Invented in 1824, Portland cement remains prominent in modern construction. Learn about the hydraulic binder's raw materials and applications.
Potato Battery Experiment: Powering a Light Bulb With a Potato
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You want to make a potato powered light bulb, but you're not sure how to do it. Learn about how to make a potato powered light bulb in this article.
Power Loom: An Essential Industrial Revolution Invention
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The power loom was one of the most significant inventions of the Industrial Revolution. Learn more about the mechanized device that transformed the textile industry.
Primary Colors Are Red, Yellow and Blue, Right? Not Exactly
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Primary colors are the blocks from which all other colors are built. But there's a lot more to know about them than the basic red, yellow and blue we learned about in kindergarten.
Prokaryotic vs. Eukaryotic Cells: What's the Difference?
science.howstuffworks.com/life/cellular-microscopic/prokaryotic-vs-eukaryotic-cells.htm
Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms - and they are the only two kinds of cells in the world.
Quantum Entanglement Is the Strangest Phenomenon in Physics, But What Is It?
science.howstuffworks.com/dictionary/physics-terms/quantum-entanglement-news.htm
Einstein famously called the phenomenon "spooky action at a distance," and physicists just won the Nobel Prize for their work on it, but what is quantum entanglement?
Quarks Are the Building Blocks of All Matter
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Protons and neutrons, the particles that form the nuclei of atoms, are themselves made up of even smaller particles known as quarks.
Queen Elizabeth II Bans Plastic From Royal Estates
Buckingham Palace announced that Queen Elizabeth II is banning many plastics. Learn more about why the Queen is banning plastics from HowStuffWorks.