All articles starting with I

Imogen Stubbs

Imogen Stubbs, also published as Imogen Nunn, Lady Nunn, is an English actress and playwright, born in 1961, known for Royal Shakespeare Company roles and films including Twelfth Night (1996).

Imogen Thomas

Imogen Thomas (Imogen Mary Thomas), Welsh model born 1982 in Llanelli; Miss Wales 2003, Big Brother UK 2006 contestant (86 days), 2011 Ryan Giggs privacy case, later businesswoman in London.

Imogene Coca (1908-2001), American comic actress and Sid Caesar's co-star on Your Show of Shows (1950-54), Emmy-winning actress, Tony nominee for On the Twentieth Century, Television Hall of Fame 2004.

Imogolite

Imogolite is a poorly crystalline hydrous aluminosilicate clay mineral, first described in 1962 from volcanic ash soils in Japan, whose hollow nanotubes occur in volcanic ash soils worldwide.

Imojev md

IMOJEV MD, WHO-prequalified multidose presentation of Imojev (JE-CV, ChimeriVax-JE), a live attenuated chimeric yellow fever 17D/SA14-14-2 Japanese encephalitis vaccine; single 0.5 mL subcutaneous dose, 4-dose vial, made by GPO-MBP Thailand, prequalified 18 September 2014.

Imola

Imola (ancient Forum Cornelii) is a town of about 69,700 people in the Metropolitan City of Bologna, Emilia-Romagna, on the Via Aemilia and the Santerno river, founded as a Roman municipium and later seat of the Alidosi and Riario Sforza signories.

Imola Circuit

Imola Circuit (Autodromo Internazionale Enzo e Dino Ferrari), a 4.909 km counterclockwise Italian racetrack opened in 1953; hosted the San Marino Grand Prix 1981-2006 and the Emilia-Romagna Grand Prix from 2020.

iMotion Automotive Technology

iMotion Automotive Technology (Suzhou) is a Chinese supplier of ADAS domain controllers, founded by Song Yang in Suzhou in 2016 and listed on the Hong Kong Stock Exchange in 2023.

Imovax polio

Imovax Polio (IMOVAX POLIO) is Sanofi's inactivated polio vaccine (IPV), licensed in France since 1982 and WHO-prequalified, containing Mahoney, MEF-1, and Saukett strains at 40/8/32 D-antigen units per 0.5 ml dose.

IMovie

iMovie, also known as Apple iMovie, is a free consumer video editing application for Mac, iPhone, and iPad, first released by Apple in October 1999.

Imp

Imp: a small mischievous creature of European folklore, a minor demon or sprite, and colloquially a naughty child. From Old English impa 'graft'; became 'imp of the devil' by the 1580s and named witches' familiars in early modern trials.

IMP1734 (PARP1-selective inhibitor)

IMP1734 (EIK1003) is a potent, highly selective PARP1 inhibitor developed by IMPACT Therapeutics and licensed to Eikon Therapeutics outside Greater China, in Phase 1/2 trials for advanced solid tumors with HRR mutations.

IMPACNEO trial

IMPACNEO (NCT04735445), a Spanish multicenter pragmatic randomized trial comparing enhanced comprehensive cancer screening with EACS standard care in people with HIV; 4,638 planned participants, 84% adherence, 29.4% positive baseline screening findings.

IMPACT (SGI)

IMPACT was a family of 3D graphics board sets sold by Silicon Graphics for its Indigo2 workstation in the mid-1990s, offered as Solid IMPACT, High IMPACT, and Maximum IMPACT.

Impact and popularity of K-pop

K-pop (케이팝), Korean popular music, is a global idol-based music industry; a $9.2 billion-a-year business (2024) that spread from 1990s regional exports through "Gangnam Style" and BTS, with the Big 4 agencies selling over 70% of albums.

Impact Arena (อิมแพ็ค อารีน่า)

Impact Arena (อิมแพ็ค อารีน่า) is a 12,000-seat multi-purpose indoor arena in Nonthaburi, on the northern edge of Bangkok, built in 1997 for the 1998 Asian Games.

Impact assessment

Impact assessment: prospective evaluation of the effects of projects, plans, policies, or programs, chiefly on the environment and health. Covers EIA, SEA, HIA, and risk assessment, from NEPA 1969 to Canada's 2019 Impact Assessment Act.

Impact crater

An impact crater, also called an impact basin or meteorite crater, is a depression formed when an asteroid, meteoroid, or comet strikes a planet, moon, or other solid body.

Impact cratering

Impact cratering is the process by which hypervelocity collisions with asteroids or comets excavate craters in a planet's solid surface, one of the most widespread surface-shaping processes in the solar system.

Impact damper

An impact damper is a passive vibration-control device in which a free mass moving between stops collides with the structure, dissipating energy as heat and noise.

Impact driver

An impact driver is a power tool that drives screws and other fasteners using rapid hammer-anvil strikes, giving higher torque and less kickback than a drill.

Sep 29, 2026

Impact evaluation

Impact evaluation is a family of methods in economics and public policy for estimating the causal effect of a program, policy, or intervention on outcomes.

Impact event

An impact event, also called an Earth impact, is a collision between an asteroid or comet and Earth or another body, leaving a crater or causing an airburst.

Impact factor

The Journal Impact Factor (JIF) is Clarivate's journal-level citation metric, published in the Journal Citation Reports from Web of Science data: citations in a year to the prior two years' citable items, divided by those items. Alternatives include CiteScore, SJR, and SNIP; DORA discourages its use for assessing individual papers.