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Who made the images on this site, where they come from and under which license.

Last updated September 30, 2026.

Article photographs

Each article’s featured photograph is published under the Pexels License, which allows free use, including commercial use, without attribution. We credit the photographers anyway. Photographs are stored on our own servers, and each article uses a different image. They illustrate a subject and do not show or promote any specific product or company.

ArticleImage descriptionPhotographerSource
Why Keyboards Use the QWERTY LayoutClose-up of keyboard keys showing the letters Q, W, E, A, S and Z on a gray surfaceKhizar HayatPexels
Why the Save Icon Is a Floppy DiskPile of old floppy disks in different sizes and colors spread over a dark surfaceS JPexels
How a Touchscreen Detects Your FingersFinger touching the screen of a tablet that shows a blue chart in a dark roomTowfiqu barbhuiyaPexels
How Biometric Scanners WorkFinger placed on a fingerprint reader mounted on a wallpanumas nikhomkhaiPexels
Common Tech Myths Explained with EvidenceWoman working on a laptop while holding a smartphone at a wooden deskhttps://kaboompics.com/Pexels
What Airplane Mode Really DoesPassenger holding a smartphone up to the oval window of an airplaneWilliam Gevorg UrbanPexels
How Bluetooth Connects Nearby DevicesTwo black wireless earbuds on a yellow backgroundAndrey MatveevPexels
What Storing Files in the Cloud Really MeansRows of servers lit in blue inside a data centerpanumas nikhomkhaiPexels
How Encryption Protects InformationSmartphone wrapped in chains and locked with a combination padlockTowfiqu barbhuiyaPexels
How Rechargeable Batteries Store EnergyBlue cylindrical lithium-ion battery cells next to electronic devicesAleksander DumałaPexels
What Happens During Fast ChargingThree smartphones side by side on a wooden table, each plugged into a charging cableStanley NgPexels
How Solar Panels Turn Light into ElectricityClose-up of the cells of photovoltaic solar panelsElite Power GroupPexels
How LED Bulbs Produce LightHand holding a white LED bulb against a dark backgroundNothing AheadPexels
How a Microwave Oven Heats FoodBuilt-in microwave oven in a kitchen with a brick wallMax VakhtbovychPexels
How an Induction Cooktop WorksTwo stainless steel pots on the black surface of an induction cooktopJaycee300sPexels
How a QR Code Stores InformationHand holding a QR code up to a reader in front of a wall of colorful postersProxyclick Visitor Management SystemPexels
How Barcodes Are ScannedWarehouse worker using a handheld scanner next to shelves of blue drumsTiger LilyPexels
How Compression Shrinks FilesAccordion file folders holding organized documents in compartmentsAnete LusinaPexels
How Noise-Cancelling Headphones Reduce SoundDark over-ear headphones resting on a light wooden surfaceAndrey MatveevPexels
How Digital Camera Sensors Capture ImagesHand holding a camera body without a lens, exposing the image sensorJosué RodríguezPexels
How Wi-Fi Transmits DataWi-Fi symbol shaped like curved arcs on a pole against a blue skyDoğan Alpaslan DemirPexels
Why GPS Depends on Extremely Precise ClocksSmartphone showing a navigation map mounted on a car windshieldWilliam HadleyPexels
How Fiber Optics Carry Information as LightOptical fibers glowing with blue and green points of lightAtlantic AmbiencePexels
How Undersea Cables Keep the Internet ConnectedCable covered in algae lying underwater in green water🇻🇳🇻🇳Nguyễn Tiến Thịnh 🇻🇳🇻🇳Pexels
How Satellites Enable Long-Distance CommunicationLarge radio dish antenna held by a metal frame under a blue skyJake HeinemannPexels
How a 3D Printer Builds Objects3D printer building a green object on its print bedFOX ^.ᆽ.^= ∫Pexels
How Drones Stay Stable in FlightFour-propeller drone flying in front of clouds and mountainsAlan KabešPexels
How Robots Perceive Their SurroundingsOrange industrial robotic arm on a production lineDiego MartinezPexels
How Voice Assistants Recognize CommandsCylindrical wooden smart speaker on a shelfAnete LusinaPexels
How Recommendation Systems Learn PreferencesHand pointing a remote control at a television showing a grid of programsAtlantic AmbiencePexels

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The Spatial Setup logo and cupcake icon are original material of the project.

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