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License

All photographs were obtained from Pexels and are used under the Pexels License, which allows free use. Attribution is not required by that license, but we credit the photographers. Photographs remain the property of their authors, and the Pexels License does not grant you rights beyond its own terms.

Original graphics

The connection diagrams, the logo, and decorative graphics on this site were created by the GPTSheild Editorial Team.

Credit table

ArticlePhotographerSourceLicense
What is technologyFFD RestorationsPexels photo pagePexels License
First toolshannahPexels photo pagePexels License
AgricultureYusuf OnukPexels photo pagePexels License
The wheelEl CapraPexels photo pagePexels License
WritingAlejandro QuintanarPexels photo pagePexels License
MetallurgyCheyenne OlanderPexels photo pagePexels License
Ancient engineeringHub JACQUPexels photo pagePexels License
PaperEugenia RemarkPexels photo pagePexels License
Printing pressMagda EhlersPexels photo pagePexels License
NavigationYlanite KoppensPexels photo pagePexels License
Steam engineMasood AslamiPexels photo pagePexels License
FactoriesT6 AdventuresPexels photo pagePexels License
ElectricityBrett SaylesPexels photo pagePexels License
TelegraphTanita LupaPexels photo pagePexels License
TelephoneNic WoodPexels photo pagePexels License
Photography晓鸟 蓝Pexels photo pagePexels License
Sound recordingOwen LeePexels photo pagePexels License
CinemaSami TÜRKPexels photo pagePexels License
RadioGratisographyPexels photo pagePexels License
TelevisionSóc Năng ĐộngPexels photo pagePexels License
TransistorPixabayPexels photo pagePexels License
Integrated circuitsJakub PabisPexels photo pagePexels License
First computerswal_ 172619Pexels photo pagePexels License
Programming languagesAl NahianPexels photo pagePexels License
First networksSergei StarostinPexels photo pagePexels License
The Webcottonbro studioPexels photo pagePexels License
Personal computerRuben BoekelooPexels photo pagePexels License
Mobile phonesNic WoodPexels photo pagePexels License
RoboticsHyundai Motor GroupPexels photo pagePexels License
Computational intelligenceGoogle DeepMindPexels photo pagePexels License

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