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Hace 2 días · Mining of sulfur from a deposit at the edge of Ijen's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth.Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory. Ores recovered by mining include metals, coal, oil shale ...
Hace 3 días · The browser can freely access the Kindle Store and Wikipedia on 3G models while the browser may be limited to 50 MB of data per month to websites other than Amazon and Wikipedia, Other possible experimental features, depending on the model are a Text-to-Speech engine that can read the text from e-books and an MP3 player that can be used to play music while reading.
Hace 5 días · Bacteria (/ b æ k ˈ t ɪər i ə / ⓘ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell.They constitute a large domain of prokaryotic microorganisms.Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.Bacteria inhabit soil, water, acidic hot springs ...
Hace 4 días · Wi-Fi (/ ˈ w aɪ f aɪ /) is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves.These are the most widely used computer networks, used globally in home and small office networks to link devices and to provide ...
Hace 4 días · Sustainable energy. An electric car or electric vehicle ( EV) is a passenger automobile that is propelled by an electric traction motor, using only energy stored in on-board batteries. Compared to conventional internal combustion engine (ICE) vehicles, electric cars are quieter, more responsive, have superior energy conversion efficiency and no ...
Hace 4 días · Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that guarantees ...
Hace 3 días · Con estas referencias no tardó en confirmarse que, también, en la Getaria guipuzcoana hubo una ocupación romana. Al principio -en 1997, los testimonios aparecían localizados en la iglesia parroquial de San Salvador y su entorno, pero las investigaciones han podido demostrar que se extienden por toda la superficie de su casco histórico.
