edgepedia

Technology and the built world

61,984 articles

List of pre-colonial African inventions and innovations

A list of pre-colonial African technologies, from crop domestication in the Niger basin and iron smelting by 700 BC to Great Zimbabwe and Timbuktu manuscripts.

List of predictions for autonomous Tesla vehicles by Elon Musk

List of predictions for autonomous Tesla vehicles by Elon Musk, also called List of Elon Musk's FSD Predictions, records his self-driving deadlines since 2014.

List of premodern combat weapons

The list of premodern combat weapons covers the edged, blunt, hafted, projectile, and siege weapons used before gunpowder firearms became dominant, from swords and pikes to crossbows and trebuchets.

List of preserved steam locomotives in Germany

A list of steam locomotives preserved in Germany by state museums, private railway societies, and monuments, from the 1853 Nordgau to postwar rebuilds across several hundred sites.

List of Procter & Gamble brands

The list of Procter & Gamble brands, also called the list of P&G brands, covers the company's roughly 65 consumer brands in five segments, from Tide and Pampers to Gillette and Olay.

List of products of Pakistan Ordnance Factories

The list of products of Pakistan Ordnance Factories covers the conventional arms and ammunition made by POF at Wah Cantt, organized into thirteen product families.

List of programming languages by type

The list of programming languages by type groups languages by paradigm, including imperative, functional, logic, and object-oriented, and by how programs are executed: compiled, interpreted, or hybrid.

List of programming languages for artificial intelligence

A list of programming languages used in artificial intelligence, tracing the shift from Lisp and Prolog in early symbolic AI to Python, C++, Julia, and Java in modern machine learning.

List of proteins

List of proteins: protein catalogs and classification resources, including UniProt, Pfam, InterPro, SCOP, CATH, and the AlphaFold structure database, which organize protein sequences into families, domains, and structural classes.

List of prototype World War II combat vehicles

The list of prototype World War II combat vehicles covers experimental tanks and armored vehicles built in one or a few examples to test designs before production, most never entering large-scale service.

List of Prussian locomotives and railbuses

Locomotives of the Prussian state railways (K.P.E.V.), classified from 1905 as S, P, G, T classes (e.g. P 8, G 10, T 12) under the Normalien standardization programme; covers classes, DRG renumbering, exports, and preservation.

List of PSA engines

The list of PSA engines covers the petrol and diesel engine families developed by PSA Group and carried forward by Stellantis, including the XU, TU, Prince, and EB PureTech petrol families and the HDi diesel line.

List of Python software

The list of Python software covers the Python ecosystem's libraries, frameworks, applications, and tools, spanning PyPI, web frameworks like Django and Flask, and the data science stack.

List of Qualcomm Snapdragon systems on chips

The list of Qualcomm Snapdragon systems on chips catalogs the SoC family for smartphones, PCs, XR, wearables, and vehicles, from S1 through 8 Elite Gen 6 and X2 Elite.

List of radars

A list of representative radar systems by application, covering the NEXRAD weather network, FAA airport surveillance, naval phased arrays like AN/SPY-1, satellite imaging, and automotive radar.

List of rail accidents in the United Kingdom

A list of rail accidents in the United Kingdom since 1830, including the Quintinshill disaster of 1915, Britain's worst, which killed at least 227 people.

List of railway accidents and incidents in India

The list of railway accidents and incidents in India covers major crashes on Indian Railways, including the 1981 Bihar disaster that killed about 800 people.

List of railway companies

The list of railway companies, also covering railroad companies, covers firms that run trains, own infrastructure, or lease rolling stock, organized by function, region, and scale.

List of railway roundhouses

A list of railway roundhouses, circular engine sheds arranged around a central turntable, from their origins in 1830s Britain to survivors now used as museums and heritage centers.

List of Redmi products

The list of Redmi products covers Xiaomi's Redmi brand, a 2013 budget phone line made independent in January 2019, spanning smartphones, tablets, laptops, smart TVs, watches, and earbuds.

List of refrigerants

The list of refrigerants catalogs the working fluids used in refrigeration, air-conditioning, and heat pumps, spanning CFCs, HCFCs, HFCs, HFOs, hydrocarbons, and inorganic compounds like ammonia and carbon dioxide.

List of regiments of the Russian Air Force

The aviation regiment is the principal combat unit of the Russian Air Force, grouped into divisions and air armies; it was abolished in 2009 and restored from 2012.

List of Regional Transport Office districts in India

The list of Regional Transport Office (RTO) districts in India, or List of RTO districts, covers the state codes and office numbers, like MH 12 for Pune, shown on Indian registration plates.

List of Remington models

The list of Remington models covers the firearms made by Remington since 1816, led by the Model 700 rifle and Model 870 and 1100 shotguns.

List of Remote Desktop Protocol clients

The list of Remote Desktop Protocol clients covers the principal RDP client software for Windows, macOS, Linux, iOS, and Android, including Microsoft's clients, FreeRDP, and Remmina.

List of Renault vehicles

The list of Renault vehicles covers everything the French manufacturer has built since Louis Renault's 1898 Type A, from the 4CV and Espace to today's electric range.

List of rimmed cartridges

The list of rimmed cartridges covers ammunition whose case head carries a rim larger than the body, from the .22 Long Rifle to the 7.62 × 54mmR rifle round.

List of robotics companies

The list of robotics companies surveys an industry with about 4.3 million industrial robots operating worldwide in 2023, spanning robot arms, cobots, service robots, surgical systems, and humanoids.

List of rocket launch sites

The list of rocket launch sites, or spaceports, covers facilities worldwide from which rockets launch, from government ranges to commercial sites like Cape Canaveral and Kourou.

List of rolling stock preserved on the Severn Valley Railway

The rolling stock preserved on the Severn Valley Railway is the collection of historic locomotives, carriages, and wagons kept on the 16-mile heritage line between Kidderminster and Bridgnorth, Shropshire.