All articles starting with H
20,046 articles
Hand of Glory
Hand of Glory: in European folklore, the pickled hand of a hanged criminal, also called main de gloire (from mandragore, mandrake), whose candlelight put householders into unwakeable sleep for burglars; only milk extinguished it, and the sole alleged surviving specimen is in Whitby Museum.
Hand of God (TV series)
Hand of God is an Amazon Prime Video crime drama (2014-2017) created by Ben Watkins, starring Ron Perlman as Judge Pernell Harris, who believes God commands vigilante justice after his son's suicide attempt; two seasons, 20 episodes, canceled in 2016.
Hand pump
A hand pump, or manual pump, is a pump operated by human muscle power, most commonly to lift groundwater from wells, especially for rural water supply.
Hand Rolled Cigarette
Hand Rolled Cigarette (手捲煙, Sau Gyun Jin) is a 2020 Hong Kong crime film and Chan Kin-long's directorial debut, starring Gordon Lam and Bipin Karma; an allegory of post-2019 Hong Kong identity set at Chungking Mansions, it won Best New Director at the 40th Hong Kong Film Awards.
Hand sanitizer
Hand sanitizer (alcohol-based hand rub, ABHR) is a liquid, gel, or foam applied to hands to kill germs; CDC recommends at least 60% alcohol, formulation matters more than alcohol concentration, and it cannot remove C. difficile spores or chemicals.
Hand Strength
Hand strength (grip strength, handgrip strength) is the force exerted when gripping or grasping, measured with a dynamometer. Used to diagnose sarcopenia and frailty and to predict mortality; reliability ICC about 0.92 to 0.96.
Hand surgery & rehabilitation
Hand surgery & rehabilitation (Hand Surg Rehabil), ISSN 2468-1229 print, 2468-1210 online, is a bimonthly Elsevier Masson journal from France, official organ of the French, Swiss, and Belgian hand surgery societies, renamed from Chirurgie de la main in 2016 and indexed in MEDLINE.
Hand synergies
Hand synergies are coordinated patterns of joint motion, finger force, or muscle activity that let the human hand's many degrees of freedom be controlled with few variables.
Hand transplantation
Hand transplantation: vascularized composite allotransplantation of a donor hand to an amputee. First attempted Ecuador 1964; first success Lyon 1998 (Dubernard); requires lifelong immunosuppression; distinct from replantation and prosthetics.
Hand warmer
A hand warmer, also called a pocket warmer, is a small portable device that warms the hands through chemical reaction, phase change, or stored electric energy.
Hand washing
Hand washing: cleaning hands with soap and water (hand hygiene, alongside alcohol-based hand rubs) to remove germs. CDC technique: 20 seconds scrubbing; reduces diarrhea 23-40%, respiratory illness 16-21%; only 19% globally wash with soap after toilet.
Hand-Assisted Laparoscopy
Hand-assisted laparoscopy (HALS), also called hand-assisted laparoscopic surgery, is a hybrid of open and laparoscopic surgery in which the surgeon's gloved hand is inserted through a hand-port device while pneumoperitoneum is maintained, restoring tactile feedback; used in colectomy, splenectomy, and nephrectomy.
Hand-colouring of photographs
Hand-colouring of photographs is manually adding color to monochrome photographs with dyes, oils, or pencils, the only color option from the 1840s to the early 1900s.
Hand-foot-genital syndrome
Hand-foot-genital syndrome (HFGS, hand-foot-uterus syndrome, OMIM 140000) is a rare autosomal dominant HOXA13 disorder with short thumbs and great toes plus urogenital defects; fertility is normal.
Hand-held dynamometry
Hand-held dynamometry is a clinical method in which a portable force gauge held against a limb measures peak isometric muscle strength, widely used in rehabilitation and neuromuscular assessment.
Hand-in-waistcoat
The hand-in-waistcoat, also called the hidden hand, is a portrait pose with one hand tucked inside the waistcoat, now most associated with Napoleon I through David's 1812 painting.
Hand-pollination
Hand-pollination is the manual transfer of pollen to a receptive stigma, used worldwide on 20 crops including vanilla, date palm, cocoa, and apple, and practiced for over 4000 years.
Hand-searching
Hand-searching is a supplementary search method in evidence synthesis in which a person manually examines journals page by page to find trial reports that databases miss.
Hand-to-hand combat
Hand-to-hand combat is close-range fighting with the body and hand-carried weapons. Modern armies train it as combatives (US MACP, MCMAP); 19-22% of Iraq-era infantry reported it, and biomechanics quantifies strike force.
Hand–eye calibration
Hand–eye calibration is a robotics and computer vision method that estimates the rigid transform between a camera and a robot's end effector, enabling vision-guided grasping and inspection.
Hand–eye coordination
Hand–eye coordination (eye–hand coordination, EHC): using visual information to guide manual movements like reaching and grasping. Defined by sequential visual-to-motor processing, posterior parietal control, tests such as the Purdue Pegboard, and reliability ICCs of 0.80–0.94.
Hand, foot, and mouth disease
Hand, foot, and mouth disease (HFMD), also called hand-foot-and-mouth disease, is a contagious enterovirus illness (EV-A71, CV-A16, CV-A6) of children under 5, causing fever, mouth sores, and hand and foot rash; usually mild, rarely severe.
Hand. Cannot. Erase.
Hand. Cannot. Erase. is Steven Wilson's fourth solo album (Kscope, 2015), a concept record inspired by Joyce Carol Vincent, recorded at AIR Studios with Guthrie Govan, praised as possibly his masterpiece.
Handala Hack Team
Handala Hack Team, also known as Handala Hack Group, is a pro-Palestinian hacktivist persona that emerged in December 2023 and is attributed by US authorities to Iran's intelligence ministry.
Handan
Handan (邯郸), prefecture-level city in southern Hebei, China; ancient capital of the Zhao State, now a coal and steel industrial city of 9.36 million people (2021) known for air pollution challenges and idiom culture.
Handan Chun
Handan Chun (c. 132–221) was a Chinese writer and calligrapher of the late Han and early Wei, known for compiling the Xiaolin, China's earliest collection of jokes.
Handan Cogen power station
Handan Cogen power station (邯郸热电厂) is a coal-fired combined heat and power station in Handan, Hebei, China, the city's main civilian heating source, owned by GD Power Development.
Handan Eastern Outskirt Cogen Power Station
Handan Eastern Outskirt Cogen Power Station (国电电力邯郸东郊热电厂) is a coal-fired combined heat and power station in Handan, Hebei, China, owned by GD Power and totaling at least 1,204 MW.
Handan Foshan Wildlife Park
Handan Foshan Wildlife Park (邯郸佛山野生动物园) is a private zoo in Yongnian District, Handan, Hebei, opened 30 December 2018 with 500 million yuan invested over 1,000+ mu. Known for its April 2025 black bear escape and unpaid staff.
Handbag
A handbag is a small bag carried in the hand or on the shoulder to hold money, keys, and personal items, known as a purse in North America.