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360 Vis Nav. 2023. The Dyson 360 Vis Nav is a robot vacuum cleaner that was released in May 2023. It has a 360-degree vision system that uses time-of-flight sensors and a camera to map the home and navigate intelligently. It also has a full-width brush bar, a piezo sensor, a HEPA filter, a long-lasting battery, and a smart app.
Dyson series. In scattering theory, a part of mathematical physics, the Dyson series, formulated by Freeman Dyson, is a perturbative expansion of the time evolution operator in the interaction picture. Each term can be represented by a sum of Feynman diagrams. This series diverges asymptotically, but in quantum electrodynamics (QED) at the ...
ISBN. 978-1-250-13599-5. Tears We Cannot Stop: A Sermon to White America is a 2017 non-fiction book by Michael Eric Dyson. [1][2]
Dyson Limited, trading as Dyson, is a Singaporean [7] [8] [9] multinational technology company. Founded in 1991 by James Dyson in Malmesbury , England, the company designs and manufactures household appliances such as vacuum cleaners , air purifiers , hand dryers , bladeless fans , heaters , hair dryers , and lights.
Dyson sphere. A hypothetical depiction of a Dyson swarm surrounding a star. Freeman Dyson, the first scientist to explore the concept. A Dyson sphere is a hypothetical megastructure that encompasses a star and captures a large percentage of its solar power output. [1][2][3] The concept is a thought experiment that attempts to imagine how a ...
The Schwinger–Dyson equations (SDEs) or Dyson–Schwinger equations, named after Julian Schwinger and Freeman Dyson, are general relations between correlation functions in quantum field theories (QFTs). They are also referred to as the Euler–Lagrange equations of quantum field theories, since they are the equations of motion corresponding ...