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  2. Physical object - Wikipedia

    en.wikipedia.org/wiki/Physical_object

    In natural language and physical science, a physical object or material object (or simply an object or body) is a contiguous collection of matter, within a defined boundary (or surface), that exists in space and time. Usually contrasted with abstract objects and mental objects. [1] [2]

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    HTML Form format HTML 4.01 Specification since PDF 1.5; HTML 2.0 since 1.2 Forms Data Format (FDF) based on PDF, uses the same syntax and has essentially the same file structure, but is much simpler than PDF since the body of an FDF document consists of only one required object. Forms Data Format is defined in the PDF specification (since PDF 1.2).

  4. Glossary of physics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_physics

    A physical field produced by moving electrically charged objects. electromagnetic induction electromagnetic radiation. Also abbreviated EM radiation or EMR. A form of energy emitted and absorbed by charged particles, which exhibits wave-like behavior as it travels through space. electromagnetic spectrum electromagnetic wave equation ...

  5. Imageability - Wikipedia

    en.wikipedia.org/wiki/Imageability

    Imageability is a measure of how easily a physical object, word or environment will evoke a clear mental image in the mind of any person observing it. [1] [2] It is used in architecture and city planning, in psycholinguistics, [3] and in automated computer vision research. [4]

  6. Web of Things - Wikipedia

    en.wikipedia.org/wiki/Web_of_Things

    Connecting objects to the Web arguably started around the year 2000. In 2002, a peer-reviewed paper presented the Cooltown project. [4] This project explored the use of URLs to address and HTTP to interact with physical objects such as public screens or printers.

  7. Shape - Wikipedia

    en.wikipedia.org/wiki/Shape

    An object is therefore congruent to its mirror image (even if it is not symmetric), but not to a scaled version. Two congruent objects always have either the same shape or mirror image shapes, and have the same size. Objects that have the same shape or mirror image shapes are called geometrically similar, whether or not they have the same size ...

  8. Category:Physical objects - Wikipedia

    en.wikipedia.org/wiki/Category:Physical_objects

    In physics, a physical body or physical object (sometimes simply called a body or object) is a collection of masses, taken to be one. For example, a football can be considered an object but the ball also consists of many particles (pieces of matter ).

  9. Corpuscle - Wikipedia

    en.wikipedia.org/wiki/Corpuscle

    Corpuscle (/ ˈ k ɔːr p ə s əl /) or corpuscule, meaning a "small body", is often used as a synonym for particle.It may also refer to: Corpuscularianism, the atomistic view that all physical objects are composed of corpuscles, which was dominant among 17th century European thinkers