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The use of "iron and water against the devil" is cited by one of the characters who suggests and applies the theory. In Trollhunters: Tales of Arcadia , a pure iron horseshoe, referred to as a "gaggletack", can be used to force changelings to take whichever form they were not taking, upon direct contact with a gaggletack.
As the name suggests, iron filings can be obtained from metal working operations as the scrap material filed off larger iron and steel parts. [2] They are very often used in science demonstrations to show the direction of a magnetic field. Since iron is a ferromagnetic material, a magnetic field induces each particle to become a tiny bar magnet ...
Iron plays an essential role in marine systems and can act as a limiting nutrient for planktonic activity. [200] Because of this, too much of a decrease in iron may lead to a decrease in growth rates in phytoplanktonic organisms such as diatoms. [201] Iron can also be oxidized by marine microbes under conditions that are high in iron and low in ...
Web beacons embedded in emails have greater privacy implications than beacons embedded in web pages. Through the use of an embedded beacon, the sender of an email – or even a third party – can record the same sort of information as an advertiser on a website, namely the time that the email was read, the IP address of the computer that was used to read the email (or the IP address of the ...
Elemental iron is virtually absent on the Earth's surface except as iron-nickel alloys from meteorites and very rare forms of deep mantle xenoliths.Although iron is the fourth most abundant element in Earth's crust, composing about 5% by weight, [4] the vast majority is bound in silicate or, more rarely, carbonate minerals, and smelting pure iron from these minerals would require a prohibitive ...
Moon blocks or jiaobei (also written as jiao bei etc. variants; Chinese: 筊杯 or 珓杯; pinyin: jiǎo bēi; Jyutping: gaau2 bui1), also poe (from Chinese: 桮; Pe̍h-ōe-jī: poe; as used in the term "poe divination"), are wooden divination tools originating from China, which are used in pairs and thrown to seek divine guidance in the form of a yes or no question.
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A beacon is an intentionally conspicuous device designed to attract attention to a specific location. A common example is the lighthouse , which draws attention to a fixed point that can be used to navigate around obstacles or into port.