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Home Agriculture & Environment Biographies and Profiles Business Climate, Energy and Resources Country Profiles and Region Explainers Culture and Society Diaspora, Migration and Global Indians Economy Education & Health Education and Career Environment and Sustainability Finance and Economy Global Economy and Trade Global Health and Pandemic Diplomacy Global South and Development Diplomacy Great Power Politics Health and Wellness History & Culture History and Civilisation History and Civilisations IR & Security India and the World Indo-Pacific and Maritime Security International Law, Human Rights and Democracy International Organisations and Global Governance Law and Constitution Local Neighbourhood Watch Opinion Philosophy & Values Philosophy and Ideas Politics Polity Science and Technology Society Soft Power, Culture and Civilisation Sports Technology Technology and Geopolitics Wars, Conflicts and Security Videos About Contact Search Login Register
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Electronics

How Touchscreens Detect Your Finger
Science and Technology

How Touchscreens Detect Your Finger

A clear, evergreen explainer on how touchscreens detect your finger using capacitance, sensor grids, controllers, software and gesture recognition.

What Makes a Smartphone Smart Explained
Science and Technology

What Makes a Smartphone Smart Explained

A clear explainer on what makes a smartphone smart: processors, operating systems, sensors, connectivity, apps, cameras, location and cloud services.

How Cameras Capture and Store Images
Science and Technology

How Cameras Capture and Store Images

A clear evergreen explainer on how cameras capture and store images using lenses, sensors, pixels, colour filters, image processors, compression and file formats.