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Ionizable lipid nanoparticles
Ionizable lipid nanoparticles are lipid vehicles whose pH-switchable ionizable lipids carry siRNA or mRNA into cells, delivering Onpattro and the Moderna and Pfizer COVID-19 vaccines.
Ionna
Ionna is an electric vehicle fast-charging network in North America, founded by seven automakers including BMW, General Motors, and Mercedes-Benz, targeting 30,000 charging bays by 2030.
Ionogel
An ionogel is a soft composite in which an ionic liquid is confined in a polymer network, combining liquid-like ionic conductivity with solid form for sensors and batteries.
Ionospheric Connection Explorer
Ionospheric Connection Explorer, known as ICON, was a NASA satellite launched in 2019 to study how terrestrial weather and space weather combine to drive Earth's ionosphere.
IonQ
IonQ is an American quantum computing company in College Park, Maryland, that builds trapped-ion quantum computers and was founded in 2015 by Christopher Monroe and Jungsang Kim.
Iontronic memristor
An iontronic memristor is a memristive device whose conductance depends on the history of applied voltages through ion movement, emulating biological synapses in soft materials for neuromorphic computing.
Iontronic neuromorphic devices
Iontronic neuromorphic devices are computing components, including artificial synapses and neurons, that use ions rather than electrons to emulate neural processing, named an IUPAC emerging technology in 2024.
IOPS
IOPS, or input/output operations per second, is a storage performance metric counting the read and write operations a device completes in one second, alongside throughput and latency.
IOS
iOS, also known as Apple iOS, is Apple's mobile operating system for the iPhone, based on Darwin and requiring every app to be Apple code signed.
IOS 10
iOS 10 is the tenth major release of Apple's iOS mobile operating system for iPhone, iPad, and iPod touch, released as a free update in September 2016.
IOS 11
iOS 11 is Apple's 2017 mobile operating system for iPhone, iPad, and iPod touch, with ARKit, Core ML, a Files app, and a redesigned iPad dock.
IOS 12
iOS 12, also known as Apple iOS 12, is the twelfth major release of Apple's iOS mobile operating system, released on September 17, 2018 as a free update focused on performance.
IOS 13
iOS 13 is the thirteenth major release of Apple's iPhone operating system, released on September 19, 2019, introducing Dark Mode, Sign In with Apple, and a rebuilt Apple Maps.
IOS 14
iOS 14 is the fourteenth major release of Apple's iPhone operating system, released in September 2020 with redesigned Home Screen widgets, the App Library, and App Clips.
IOS 15
iOS 15 is the seventeenth major release of Apple's iPhone operating system, announced June 7, 2021 and released September 20, 2021 for iPhone 6s and later.
IOS 16
iOS 16, also known as iPhone OS 16, is Apple's sixteenth major iPhone operating system release, shipped September 12, 2022 with a customizable Lock Screen.
IOS 17
iOS 17 is the seventeenth major release of Apple's iPhone operating system, issued on September 18, 2023, four days before the iPhone 15 went on sale.
IOS 18
iOS 18 is the eighteenth major release of Apple's iPhone operating system, released in September 2024, adding Home Screen customization, a redesigned Photos app, RCS messaging, and locked apps.
IOS 26
iOS 26 is a major release of Apple's iPhone operating system, released in September 2025 with the Liquid Glass design and expanded Apple Intelligence features.
IOS 27
iOS 27, also called IPhone OS 27, is the twenty-seventh major release of Apple's iPhone operating system, released September 14, 2026 with a rebuilt Siri AI.
IOS 5
iOS 5 (iOS 5.0) is the fifth major release of Apple's mobile operating system, released on October 12, 2011 with iCloud, Notification Center, and over 200 new features.
IOS 6
iOS 6 is the sixth major release of Apple's mobile operating system for iPhone, iPad, and iPod touch, released in 2012 and known for the criticized Apple Maps launch.
IOS 7
iOS 7 is the seventh major release of Apple's iOS mobile operating system, released in September 2013 with a flat redesign by Jony Ive and over 200 new features.
IOS 9
iOS 9, also known as iOS 9.0, is the ninth major release of Apple's mobile operating system, released as a free update on September 16, 2015.
IOS jailbreaking
iOS jailbreaking removes Apple's software restrictions from an iPhone or iPad, letting users install unapproved apps and modify the system, which Apple says creates security risks.
IOS version history
iOS version history, also known as iPhone OS history, covers releases of iOS, Apple's operating system for the iPhone, from the original 2007 iPhone OS through current iOS 27.
Iosif Sifakis
Iosif Sifakis (Ιωσήφ Σηφάκης) is a Greek computer scientist, born in Heraklion in 1946, who shared the 2007 Turing Award for developing model checking, the leading industrial verification method.
Iowa Army Ammunition Plant
The Iowa Army Ammunition Plant is a U.S. Army munitions facility near Middletown, Iowa, established in 1940 and the only American site for high-volume 155 mm shell production.
Iowa Department of Transportation
The Iowa Department of Transportation (Iowa DOT), created in 1974 and headquartered in Ames, plans and develops Iowa's transportation system, covering highways, bridges, aviation, transit, rail, and trails.
Iowa Interstate Railroad
The Iowa Interstate Railroad (IAIS) is a privately held Class II regional freight railroad founded in 1984 on the former Rock Island route between Chicago and Omaha, Nebraska.