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INDEX HOLE [5 records]

Record 1 2024-03-28

English

Subject field(s)
  • Protection of Life
  • Astrophysics and Cosmography
  • The Sun (Astronomy)
CONT

With the Sun behind you, pass sunlight through a small opening(for example, a hole punched in an index card) and project a solar image onto a nearby surface(for example, another card, a wall, or the ground). A pasta colander makes a terrific pinhole projector, as does a straw hat or anything else with a bunch of small holes in it. Do NOT look at the Sun through the pinhole(s) !

Key term(s)
  • pin-hole projection
  • pin hole projection

French

Domaine(s)
  • Sécurité des personnes
  • Astrophysique et cosmographie
  • Soleil (Astronomie)

Spanish

Save record 1

Record 2 2024-03-28

English

Subject field(s)
  • Protection of Life
  • Astrophysics and Cosmography
  • The Sun (Astronomy)
  • The Earth (Astronomy)
CONT

If you don’t have eclipse glasses or a handheld solar viewer, you can use an indirect viewing method, which does not involve looking directly at the Sun. One way is to use a pinhole projector, which has a small opening(for example, a hole punched in an index card) and projects an image of the Sun onto a nearby surface. With the Sun at your back, you can then safely view the projected image. Do NOT look at the Sun through the pinhole!

French

Domaine(s)
  • Sécurité des personnes
  • Astrophysique et cosmographie
  • Soleil (Astronomie)
  • Terre (Astronomie)

Spanish

Save record 2

Record 3 - external organization data 2011-06-21

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
12.05.11 (2382)
ISO/IEC standard entry number
DEF

hole punched in a floppy disk to indicate the beginning of the first sectors of the disk

OBS

index hole : term and definition standardized by ISO/IEC [ISO 2382-12 : 1988].

French

Domaine(s)
  • Tiroir - ISO/CEI JTC 1 Vocabulaire des technologies de l'information
Entrée(s) universelle(s)
12.05.11 (2382)
ISO/IEC standard entry number
DEF

trou ménagé dans un disque souple pour indiquer le début des premiers secteurs du disque

OBS

trou d'index; repère d'indexation : termes et définition normalisés par l'ISO/CEI [ISO 2382-12:1988].

Spanish

Save record 3

Record 4 2005-11-22

English

Subject field(s)
  • Storage Media (Data Processing)
DEF

A hole punched in a floppy to indicate the beginning of the first sectors of the disk.

OBS

index hole : term standardized by CSA and ISO.

French

Domaine(s)
  • Supports d'information (Informatique)
DEF

Trou perforé dans un disque souple pour indiquer le début des premiers secteurs du disque.

OBS

trou d'index; repère d'indexation : termes normalisés par la CSA et l'ISO.

Spanish

Campo(s) temático(s)
  • Medios de almacenamiento (Procesamiento de datos)
DEF

Agujero que se perfora en un disco flexible, en donde puede leer el sistema electro-óptico del sistema en la unidad de disco, para indicar con exactitud el principio del sector cero en el disco.

Save record 4

Record 5 1990-01-16

English

Subject field(s)
  • Aeronautical Engineering and Maintenance

French

Domaine(s)
  • Aérotechnique et maintenance

Spanish

Save record 5

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