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  2. Motion picture content rating system - Wikipedia

    en.wikipedia.org/wiki/Motion_picture_content...

    A motion picture content rating system classifies films based on their suitability for audiences due to their treatment of issues such as sex, violence, or substance abuse, their use of profanity, or other matters typically deemed unsuitable for children or adolescents. Most countries have some form of rating system that issues determinations ...

  3. Motion Picture Association film rating system - Wikipedia

    en.wikipedia.org/wiki/Motion_Picture_Association...

    The film's director, Lee Hirsch, has refused to recut the film, stating, "I feel a responsibility as a filmmaker, as the person entrusted to tell (these kids') stories, to not water them down." A petition collected more than 200,000 signatures to change the film's rating [92] and a version with less profanity was finally given a PG-13 rating.

  4. List of IMAX films - Wikipedia

    en.wikipedia.org/wiki/List_of_IMAX_films

    Official logo. This is a list of films shot partially or in full with IMAX cameras, either on 15/70 film, with the Phantom 65 IMAX 3D, with the ARRI Alexa IMAX, with other IMAX-certified digital cameras or IMAX Live Events shot with IMAX-certified cameras.

  5. IMAX - Wikipedia

    en.wikipedia.org/wiki/IMAX

    IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations. [ 1]

  6. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    16:9. 8,294,400. 7680 × 4320. 8K UHDTV. 4320p. 33,177,600. Many of these resolutions are also used for video files that are not broadcast. These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed ...

  7. Aspect ratio (image) - Wikipedia

    en.wikipedia.org/wiki/Aspect_ratio_(image)

    Aspect ratio (image) The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography .

  8. Sex ratio - Wikipedia

    en.wikipedia.org/wiki/Sex_ratio

    A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is typically about 1:1 in species which reproduce sexually. [ 2][ 3] However, many species deviate from an even sex ratio, either periodically or permanently. Examples include parthenogenic species, periodically mating ...

  9. Land equivalent ratio - Wikipedia

    en.wikipedia.org/wiki/Land_equivalent_ratio

    Definition. the ratio of the area under sole cropping to the area under intercropping needed to give equal amounts of yield at the same management level. It is the sum of the fractions of the intercropped yields divided by the sole-crop yields. For a scenario where a total of crops are intercropped, the land equivalent ratio LER can be ...