Technology

Articles about devices, tools, digital systems and innovation.

Articles in this category: 1835 Updated: April 29, 2026 Page 4 / 39
Blockchain

Blockchain

Bloomery

Bloomery: the traditional iron-smelting furnace and its products

Blowfish (cipher)

Blowfish (cipher): design, history, security, and practical use

Blu-ray Disc

BMW 3 Series

BMW 3 Series: compact executive car introduced in 1975

BMW M3

BMW M3: The high-performance variant of the BMW 3 Series

Bobby pin

Boeing X-37

Boeing X-37 (Orbital Test Vehicle)

BOINC

BOINC — Berkeley Open Infrastructure for Network Computing

Bolt cutter

Boolean data type

Boomerang

Boot device

Boot device: how a computer loads its operating system

Booting

Booting

Bot

Bot (software): automated programs and agents

Box

Box

Box (container): types, materials, uses, and history

A box is a container—typically a rectangular or cuboid enclosure—used for storage, transport, display and many other purposes. This article describes forms, materials, uses, histor

Branch prediction

Break-open shotgun

Break-open shotgun: design, history, and common uses

Broadly Applicable Tracking System

Browning Auto-5

Browning Auto-5 (Auto Five) — pioneering semi-automatic shotgun

Bubble wrap

Bubble wrap: cushioning film for packaging and stress relief

Bugzilla

Bulldozer

Bus network

Bus Network (LAN Topology)

Butt plug

Butt plug (anal sex toy)

Byte

C (programming language)

C Sharp (programming language)

C# (programming language) — overview, features, history and uses

C++

C++: A general-purpose programming language with performance and abstractions

Cache (computing)

Cache (computing): temporary storage to speed data access

Cache algorithm

Cache coherence

Cache coherence: ensuring consistent views of shared data in multi‑cache systems

Calendar

Calendar

California Institute of Technology

California Institute of Technology (Caltech)

Calligra Flow

Camcorder

Camera

Camera: principles, components, history and common types

Camera lens

Camera lens: design, types, history, and practical uses

Camera obscura

Camera obscura

Camera obscura — the "dark chamber" optical device and its history

A camera obscura is a light-tight space with a small aperture that projects an external scene onto an interior surface. It illustrates fundamental optical principles and influenced

Candle

Candle: composition, burning process, history, uses and safety

Capacitance Electronic Disc

Capacitance Electronic Disc (CED)

Capacitor

Capacitor

Capacitor: function, construction, history, types and common uses

A capacitor is an electrical component that stores energy in an electric field. This article explains how capacitors work, common constructions and types, history, applications, sp

Caps lock

Caps Lock key

CAPTCHA

Carbon copy

Carbon paper

Cardboard

Carriage return