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- piezoelectricity
- Piezoelectricity, also called the piezoelectr...
- PIM
- Processing in memory (PIM, sometimes called processor in memory) is the...
- PIN
- A pin is a pronged contact as part of a signal interface in a computer ...
- pin or PIN
- A pin is a pronged contact as part of a signal interface ...
- pink noise
- Pink noise is acoustical energy distributed uniformly by ...
- pk
- Peak (pk) is the maximum value, either positive (pk+) or negative (pk-), ...
- Planck's constant
- Planck's constant, symbolized h, relates th...
- planned obsolescence
- Planned obsolescence, also called bui...
- planned obsolescence (built-in obsolescence)
- plasma
- Plasma is a form of matter in which many of the electrons wander ...
- plasma TV
- Plasma TV is a television display technology in which each ...
- PLC
- Broadband over Power Line (BPL) is a technology that allows Internet da...
- plenum
- In building construction, a plenum (pronounced PLEH-nuhm, from La...
- PLL
- A phase-locked loop (PLL) is an electronic circuit with a voltage- or c...
- PM
- Phase modulation (PM) is a method of impressing data onto an alternating-...
- podcast
- Podcasting is the preparation and distribution of audio files u...
- podcaster
- Podcasting is the preparation and distribution of audio fil...
- podcasting
- Podcasting is the preparation and distribution of audio f...
- podosphere
- Podcasting is the preparation and distribution of audio f...
- polyLED
- Polymer LED (light-emitting diode) - sometimes called light-emi...
- polymer LED
- Polymer LED (light-emitting diode) - sometimes called l...
- polymer LED (light-emitting polymer or polyLED)
- porta-person
- A porta-person is a device-based representation of an...
- porta-person video
- NBC News demonstrates a porta-person appl...
- positron
- A positron is a particle of matter with the same mass as an e...
- potential energy
- Potential energy, expressed in science as U, ...
- potential energy (U)
- Potential energy, expressed in scienc...
- power
- Electrical power is the rate at which electrical energy is converte...
- power factor controller
- PFC (power factor correction; a...
- power factor correction
- PFC (power factor correction; a...
- Power-Line Communications
- Broadband over Power Line (...
- Powercast
- Powercast is a technology that uses a low-level radio frequ...
- pressure sensing
- Pressure sensing allows a robot to tell when ...
- processing in memory
- Processing in memory (PIM, sometimes ...
- processing in memory (PIM)
- Processing in memory (PIM...
- processor
- A processor is the logic circuitry that responds to and pro...
- proton
- A proton is a subatomic particle found in the nucleus of every atom.
- proximity sensing
- Proximity sensing is the ability of a robot...
- PSK
- Phase-shift keying (PSK) is a method of digital communication in which ...
- PSK31
- Phase-shift keying (PSK) is a method of digital communication in wh...
- pulse
- A pulse is a burst of current, voltage, or electromagnetic-field en...
- pulse amplitude modulation
- Pulse amplitude modulatio...
- pulse amplitude modulation (PAM)
- Pulse amplitu...
- PV cell
- A photovoltaic cell (PV cell) is a specialized semiconductor di...
- Qik
- Qik is an online video streaming service that allows anyone with a stro...
- quad gate
- A quad gate is an IC (integrated circuit or chip) containin...
- quad-core processor
- A quad-core processor is a chip with fo...
- quantum dot
- A quantum dot is a particle of matter so small that the...
- quantum interference
- Quantum interference is one of the mo...
- quantum mirage
- The term quantum mirage refers to a phenomenon th...
- Quarter Video Graphics Array
- QVGA (Quarter Video G...
- Quarter Video Graphics Array (QVGA)
- QVGA (Q...
- QVGA
- QVGA (Quarter Video Graphics Array) is a small-screen display mode in...
- R3
- Reduce, reuse and recycle (R3) are the three essential components of envi...
- raceway
- A raceway is an enclosed conduit that forms a physical pathway ...
- radiation shield
- In mobile phones, a radiation shield is an ac...
- radio charging
- Radio charging is a wireless charging method used...
- radio frequency
- Radio frequency (abbreviated RF, rf, orr.f.) is...
- radio frequency (RF, rf, orr.f.)
- Radio frequen...
- RCA video
- Composite video, also called baseband video or RCA video, i...
- reactance
- Reactance, denoted X, is a form of opposition that electron...
- reactive power
- In a direct current (DC) circuit, or in an altern...
- reagent
- A reagent is a chemical substance that is used to create a reac...
- reciprocal meter
- The reciprocal meter is the standard unit of ...
- recordable DVD
- Recordable DVD (sometimes called writable DVD) is...
- recordable DVD (writable DVD)
- Recordable DVD (som...
- Reduce reuse recycle
- Reduce, reuse and recycle (R3) are th...
- Reduce, reuse, recycle (R3)
- Reduce, reuse and recyc...
- replicator
- A replicator is an object or organism that can make copie...
- resistance
- Resistance is the opposition that a substance offers to t...
- resistor
- A resistor is an electrical component that limits or regulate...
- resonance charging
- Resonance charging is a wireless charging...
- return to zero
- RZ (return-to-zero) refers to a form of digital d...
- return-to-zero
- RZ (return-to-zero) refers to a form of digital d...
- rewritable DVD
- Recordable DVD (sometimes called writable DVD) is...
- RF
- Radio frequency (abbreviated RF, rf, orr.f.) is a term that refers to alt...
- RFID tagging
- RFID tagging is an ID system that uses small radio fr...
- rms
- In a direct current (DC) circuit, voltage or current is simple to defin...
- robot
- A robot is a machine designed to execute one or more tasks repeated...
- robot (insect robot, autonomous robot)
- root mean square
- In a direct current (DC) circuit, voltage or ...
- root-mean-square
- In a direct current (DC) circuit, voltage or ...
- root-mean-square (RMS)
- In a direct current (DC) circuit,...
- RoundTable
- Microsoft RoundTable is a videoconference device designed...
- RZ
- RZ (return-to-zero) refers to a form of digital data transmission in whic...
- RZ (return-to-zero)
- RZ (return-to-zero) refers to a form of...
- S-Video
- S-Video (Super-Video, sometimes referred to as Y/C Video, or co...
- S-Video (Super-Video, Y/C Video, component video)
- SATA
- Serial ATA (Serial Advanced Technology Attachment or SATA) is a new s...
- Satellite Digital Audio Radio Service
- Sat...
- satellite radio
- Satellite radio, more formally known as Satelli...
- satellite radio or Satellite Digital Audio Radi...
- saturation
- Saturation is the fully conducting state in a semiconduct...
- scanning tunneling microscope
- A scanning tunnelin...
- scanning tunneling microscope (STM)
- A scann...
- SCART connector
- A SCART connector is a physical and electrical ...
- SDARS
- Satellite radio, more formally known as Satellite Digital Audio Rad...
- Seebeck effect
- The Seebeck effect is a phenomenon in which a tem...
- selenium
- What is selenium?Selenium is a non-metallic element that is o...