Engineering
Computing and communicationTransportationEnergyAgricultureEngineeringRoboticsOptical, navigation and astronomicalIndustryInfrastructureMachinery and toolsWeaponsSpaceMilitary technologyComputing and information technology<span id="Tools and machinery"></span>Machinery and toolsGeneralNavigation and timekeepingMedia and communicationElectronicsFrom Lably lessonsTextilesMaterialsArtificial IntelligenceOptical technologyFood and healthTools and machineryComputer StudiesMedical technologyStructuresBiotechnologyOpticalComputer ApplicationsInformation TechnologyInformatics Practices
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- Jet propulsionThrust produced by ejecting a jet of fluid
- Job productionType of production
- John Baker, Baron BakerBritish scientist and structural engineer
- John Bradley & CoJohn Bradley & Co was a company established in 1800 by John Bradley at Stourbridge in the
- John Fowler (agricultural engineer)English agricultural engineer
- John I. YellottAmerican scientist (1908–1986)
- Joining technologyMethod of combining parts of equipment
- Jorge Matute RemusMexican engineer (1912–2002)
- Joseph CubittJoseph Cubitt (24 November 1811 – 7 December 1872) was an English civil engineer. Amongst
- Jubilee lineLondon Underground line
- Julius Walker AdamsAmerican civil engineer and railroad engineer
- Jumping to conclusionsPsychological term