They all use magnets to function. Magnets are rocks or metals that create a powerful, invisible field. This field attracts other magnets and certain metals. The presence of a magnetic field is why you can cover a metal refrigerator door with magnets. A magnetic field is concentrated around the...
It brings about the many reasons the endangered species have to be protected by all means. The non-renewable materials that come from living things such as fossil fuels are known as organic non-renewable resources while those that come from non-living things such as rocks and soil are referred...
The earliest magnets were of course found naturally just lying around. These were found in rocks and other types of earth known as magnetite or lodestone. The story goes, the founder discovered the mineral after finding the nails of his shoes stuck to a magnetite rock. Others says it was th...
A toroid has a magnetic field inside of itself that forms a series of concentric circles. Outside of it, the field is zero. The strength of this magnetic field depends on the number of coils the toroid has on its body. The field is not uniform, because the field is stronger near the ...
Other minerals can have weak magnetism naturally because of their exposure to the Earth's magnetic field. Studying rocks from the ocean trenches allows us to see how the Earth's magnetic field has flipped (the north and south magnetic poles reversing) over the millennia. ...
Are all rocks hard? While many rocks are hard, some, like shale or talc, can be quite soft. 3 Can both "stone" and "rock" be used in landscaping? Yes, both can be used, with stones often being smaller and more decorative, and rocks forming larger structures. 2 Can you "rock" a...
Metals and other precious rocks are important materials that are among Earth's natural resources. Learn about different types of earth materials, the description of metals, the different types of precious rocks, and how minerals, rocks, soil, and water work in tandem to help sustain life on th...
While a miner carefully sifts through mountains of dirt and rocks to find some precious metal, a data miner digs through great volumes of information to unveil hidden gems and patterns. Data miners do not use pickaxes and shovels but use high-end software and algorithms to extract useful ...
If you’ve read our guides ongold pricesandsilver prices, you may have an idea of the main platinum price drivers we discuss here. Like other precious metals, platinum is a metal found in rocks. Most mining for platinum happens deep underground and the ores are extracted with heavy machinery...
Some of the questions sometimes come with a flare of arrogance mixed with a little drama and some of them are truly honest questions that many of us need answers to. Defining natural hair from a practical or scientific perspective is not really what this post is about, but it is important...