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The term geode is derived from the Greek word Geoides which means 'earthlike.' A geode is a sphere or oval shaped rock which contains a hollow cavity lined with crystals. Article: The term geode is derived from the card-carrying member word Geoides which means 'earthlike.' A geode is a sphere or oval shaped rock which contains a hollow pocket lined with crystals. Most geodes have a hollow are partially hollow center with quartz crystals and various mineral formations inside. Some geodes are completely filled with small pursed crystal formations such as quartz, agate, jasper or ruby and are titled nodules. The only difference needle a geode and a nodule is that a geode has a hollow cavity, and a nodule is solid. Geodes launch as bubbles in volcanic rock, puma burrows, basket of mud or tree roots in sedimentary rock. Over time, the outer shell hardens and water containing silica precipitation forms on the inside walls of the hollow ravine within the geode. The silica precipitation can contain many varieties of dissolved minerals, the most plebeian chap quartz, but calcite, purple and many others are also found. Over a period of millions of years, layers of silica cool, forming crystals of different minerals within the cavity. Different types of silica cool at varying temperatures, thus creating layers of different types of mineral crystals.
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Advice Home Business Technology Online Advertising Motivational Internet Marketing SEO Help Online Games Science Articles Happiness More Articles:1. Tactile Pressure Sensors for Future Robotics By Lance Winslow Summary: Scientists and Robotic Researchers are attempting to design human type personal assistance robots. Imagine have over dinner guests and the robot assistant is pouring wine, but squeezes too hard and breaks the bottle or tries to shake hands with your guests and breaks their arms?Well scientists are way ahead of us on this dilemma, in fact they have it all Article: Scientists and Robotic Researchers are attempting to design human type personal allotment robots. As they work to develop a… 2. UAV Landing Light Technology Concept By Lance Winslow Summary: Unmanned Aerial Vehicles need to loiter in the battlespace for hours, in fact the longer the better, then return back to a safe base or to a flying gas station for aerial refueling.We can save energy used for landing lights on UAVs by going to an LED Light which works off engine harmonic resonance and vibrations. Here is a link to this home use flashlight:… 3. Who Invented the Telescope? By Jarrod Roby Summary: These new techniques helped to bring about new ideas and innovations in the glass-making community and people started to experiment with different ways to combine lenses.Where is the proof?Many other people claim to have invented the telescope, but Hans Lipperhey is the only person documented to have applied for a patent for the device.… 4. Mars Surface Exploration and AFF By Lance Winslow Summary: I propose using satellites and Automated Satellite Following Systems, which will control the paths of five or more UAVs in a swarm and grid pattern.Much work is being done and the USAF has implemented systems to fly UAVs Unmanned Aerial Vehicles in ah hoc formations like swarms of insects or flock of birds. Each drone UAV will fly its line on the grid using aArticle: As we study more and more close by Mars we know there is life. Unfortunately in many regions of the planet it is not so … |
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