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...ts. [[Reginald Aubrey Fessenden]] received hundreds of patents for devices in fields such as high-powered transmitting, sonar, and television. * {{US Patent|452494}}, "Lead-in Wire for Incandescent Electric Lamps" – 18 February 1891 ...

{{Short description|Physical phenomenon in electromagnetic field theory}} '''Relativistic electromagnetism''' is a physical phenomenon explained in [[electromagnetic field]] theory due to [[Coulomb's law]] and [[Lorentz tra ...

[[File:ArtificialGravity.gif|thumb|Bouncing ball in a rotating space station: The objective reality of the ball bouncing off th In [[physics]], the concept of '''absolute rotation'''—[[rotation]] independen ...

...is [[sputtering|sputtered]] away through normal use, eventually resulting in lamp failure.]] ...harge carriers move away from the emitter, and finally the emitter will be in the same state as it was before emission. ...

...han the [[Vacuum_permeability|permeability of vacuum]], ''μ''₀. In most materials, diamagnetism is a weak effect which can be detected only by ...itle=John Tyndall and the Early History of Diamagnetism |journal=Annals of Science |volume=72 |issue=4 |pages=435–489 |doi=10.1080/00033790.2014.929743 |pmid= ...

{{short description|Concept in physics}} {{For|the anti-pattern in computer science|Action at a distance (computer programming)}} ...

'''Submarine signals''' had a specific, even proprietary, meaning in the early 20th century. It applied to a [[Navigational aid|navigation aid]] ...at transducer allowed both sending and receiving leading to major advances in both submarine signals and extension into submarine telegraphy and experime ...

...Durham, in the [[north of England]]. He was described as being "as famous in his day as [[Isambard Kingdom Brunel]]".<ref name="Howell, 2008. p7">{{harv ...ailway]] and the [[Forth Bridge]] company, then the largest bridge project in the world. ...

...alter">Walter (2012)</ref><ref name="warwick">Warwick (1992), (2012)</ref> In addition, it can be shown that the conformal group of the plane (correspond === Development in the 19th century === ...

...rs| publisher = The Law Times | volume = CXIX | location = London | year = 1905 | pages = 563 }}</ref> ...of gloves. Glove prints can be as simple as marks caused by seams or folds in fabric of a glove, or they can be as complex as marks left behind by the gr ...

...Maxwell derives an electromagnetic wave equation with a velocity for light in close agreement with measurements made by experiment, and deduces that ligh ...s incorrect due to errors during digitization. This is due to be rectified in the future --> ...

{{short description|Beam of electrons observed in vacuum tubes}} ...nvisible; in this demonstration [[Teltron tube]], enough gas has been left in the tube for the gas atoms to [[luminescence|luminesce]] when struck by the ...

...examine the way things are in the physical world. You don't have to do any science."<ref>{{cite magazine| url=https://believermag.com/an-interview-with-galen- ...ent on [[experience]] or [[empirical evidence]], as with most aspects of [[science]] and [[anecdotal evidence|personal knowledge]]. ...

...Widom]], the former senior associate dean of faculty affairs and computer science chair. She is the school's 10th dean. ...y independent academic departments into a school. The original departments in the school were: ...

...frame]] where the system is moving, its [[relativistic energy]] and [[Mass in special relativity|relativistic mass]] (instead of [[Rest Mass|rest mass]]) ...({{math|''c''²}}). Because the speed of light is a large number in everyday units (approximately {{cvt|300000|km/s|mi/s|comma=gaps|sigfig=3|di ...

{{For|the pseudoscientific equipment used in Scientology|E-meter}} ...2017}} This principle has been used to detect ionizing radiation, as seen in the [[Quartz fiber dosimeter|quartz fibre electrometer]] and [[Kearny fallo ...

{{Short description|Fundamental quantity in physics}} {{Time sidebar|science}} ...

...0px|Electromagnetic interactions are responsible for the glowing filaments in this [[plasma globe]].]] ...terms of electromagnetic fields. Macroscopic charged objects are described in terms of [[Coulomb's law]] for electricity and [[Ampère's force law]] for m ...

...which turned on an axis via a [[crank (mechanism)|crank]], a [[cloth]] pad in contact with the spinning globe, a set of [[metal]] needles to conduct away ...entists developed machines to generate static electricity decades earlier. In 1663, [[Otto von Guericke]] generated static electricity with a device that ...

{{About|the principle of locality in physics|other uses of locality|Locality (disambiguation)}} ...hat for a cause at one point to have an effect at another point, something in the space between those points must mediate the action. To exert an influen ...