Modern use of AAC began in the 1950s with systems for users who had lost the use of speech following surgical procedures.

Modern weather systems also include wind shear and turbulence detection and terrain and traffic warning systems.

Modern coastal artillery ( for example, Russia's " Bereg " system ) is often self propelled, ( allowing it to avoid counter-battery fire ) and fully integrated, meaning that each battery has all of the support systems that it requires ( maintenance, targeting radar, etc.

Modern Class AB amplifiers commonly have peak efficiencies between 30 – 55 % in audio systems and 50-70 % in radio frequency systems with a theoretical maximum of 78. 5 %.

Modern imaging systems like PostScript, Asymptote, Metafont, and SVG use Bézier splines composed of cubic Bézier curves for drawing curved shapes.

Modern concrete wall systems use both external insulation and thermal mass to create an energy-efficient building.

Modern flash chromatography systems are sold as pre-packed plastic cartridges, and the solvent is pumped through the cartridge.

Modern guidance systems permit precise attacks.

Modern operating systems have complex systems to properly manage memory.

Modern day control engineering ( also called control systems engineering ) is a relatively new field of study that gained a significant attention during 20th century with the advancement in technology.

Modern cartography is closely integrated with geographic information science ( GIScience ) and constitutes many theoretical and practical foundations of geographic information systems.

Modern cable systems are large, with a single network and headend often serving an entire metropolitan area or county.

The fifth and sixth versions of Gamma World take the game's tendency of mimicking other games to its logical end, adopting the rules systems of other games wholesale: The fifth edition of the game uses the Alternity rules, while the sixth edition uses the d20 Modern rules.

Modern flight management systems have evolved sufficiently to allow a crew to plan a flight not only as to route and altitude, but to specific time of arrival at specific locations.

Modern mainframes can run multiple different instances of operating systems at the same time.

Modern Digital Command Control ( DCC ) systems use alternating current.

Modern systems are designed for users to submit messages to their local servers for policy, not technical, reasons.

Modern hypertext systems with word and phrase-level linking offer more sophistication in connecting relevant information, but until the rise of wiki and other social software models, modern hypertext systems have rarely imitated Bush in providing individuals with the ability to create personal trails and share them with colleagues-or publish them widely.

Modern phonetics begins with attempts — such as those of Joshua Steele ( in Prosodia Rationalis, 1779 ) and Alexander Melville Bell ( in Visible Speech, 1867 ) — to introduce systems of precise notation for speech sounds.

Modern cleanrooms use automated, robotic wafer track systems to coordinate the process.

Modern 32-bit terminal emulators such as mTelnet and SyncTerm include native telnet support.

Modern studies have shown the important role such concepts played in the world-view of Early Medieval scholars.

Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the production of substances like synthetic insulin or antibiotics.

Modern musicians such as Little Richard, Mark Farner, Dan Peek, Donna Summer, Bob Dylan, Kerry Livgren, Dave Hope, Dave Mustaine, Nicko McBrain, Roger McGuinn, Ted Nugent, Kanye West, Carrie Underwood, Johnny Cash, Brian Welch, Keith Farley, Cliff Richard, Charlie Daniels, Randy Travis, Alice Cooper, Steven Tyler, Mariah Carey, Nick Cannon, and Lou Gramm were artists whose born again conversions had an impact on modern culture.

* Modern printing technology, such as laser printers and inkjet printers, can adequately reproduce all three.

Modern theoretical studies involve the use of numerical computation of electronic structure and mathematical tools to understand phenomena such as high-temperature superconductivity, topological phases and gauge symmetries.

The term " consequentialism " was coined by G. E. M. Anscombe in her essay " Modern Moral Philosophy " in 1958, to describe what she saw as the central error of certain moral theories, such as those propounded by Mill and Sidgwick.

Modern forms of CBT include a number of diverse but related techniques such as exposure therapy, stress inoculation training, cognitive processing therapy, cognitive therapy, relaxation training, dialectical behavior therapy, and acceptance and commitment therapy.

Modern equivalents also exist, such as the discontinued Ruger Police Carbine, which uses the same magazine as the Ruger pistols of the same caliber, as well as the ( also discontinued ) Marlin Camp Carbine ( which, in 1911, used. 45 ACP magazines ).

Modern European conservatives such as Edmund Burke have found the extreme idealism of either democracy may endanger broader liberties, and similarly reject " abstract reason " as a guide for political theory.

Modern crossbow sights often use similar technology to modern firearm sights, such red dot sights and telescopic sights.

Modern day social stratification in Caribbean nations such as Jamaica and Haiti developed during the colonial era.

The relationship of music to dance serves as the basis for Eurhythmics, devised by Emile Jaques-Dalcroze, which was influential to the development of Modern dance and modern ballet through artists such as Marie Rambert.

Modern Mongolians still use such bones as shagai, for games and fortunetelling.

Modern commercial domino sets are usually made of synthetic materials, such as ABS or polystyrene plastics, or Bakelite and other phenolic resins ; many sets approximate the look and feel of ivory while others use colored or even translucent plastics to achieve a more contemporary look.

From these effort, many other Deist sites and discussion groups have appeared on the Internet such as Positive Deism, Deist Info, Modern Deism and many others.

Modern historians consider this highly implausible however, noting that malicious rumours such as those concerning Domitia's alleged infidelity were eagerly repeated by post-Domitianic authors, and used to highlight the hypocrisy of a ruler publicly preaching a return to Augustan morals, while privately indulging in excesses and presiding over a corrupt court.

Anscombe in her essay " Modern Moral Philosophy " in 1958, to describe what she saw as the central error of certain moral theories, such as those propounded by Mill and Sidgwick.

Modern electronic commerce typically uses the World Wide Web at least at one point in the transaction's life-cycle, although it may encompass a wider range of technologies such as e-mail, mobile devices and telephones as well.

Modern humans started burying their dead, using animal hides to make clothing, hunting with more sophisticated techniques ( such as using trapping pits or driving animals off cliffs ), and engaging in cave painting.

Among concrete examples of Modern human behavior, anthropologists include specialization of tools, use of jewellery and images ( such as cave drawings ), organization of living space, rituals ( for example, burials with grave gifts ), specialized hunting techniques, exploration of less hospitable geographical areas, and barter trade networks.

Modern scholars such as Lee Hollander explain that Lokasenna was intended to be humorous and that the accusations thrown by Loki in the poem are not necessarily to be taken as " generally accepted lore " at the time it was composed.

Modern guitarists such as Ramón Montoya, have introduced other positions: Montoya himself started to use other chords for the tonic in the modern Dorian sections of several palos ; F sharp for tarantas, B for granaínas and A flat for the minera.

Modern scholars consider many claimed noble ancestries to be fabrications, such as the Anglo-Saxon chronicles that traced the ancestry of several English kings to the god Woden.