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Ad Fontes Media, Inc. is a Colorado -based, media watchdog, public benefit corporation [1] primarily known for its Media Bias Chart, which rates media sources in terms of political bias and reliability. The organization was founded in 2018 by patent attorney Vanessa Otero with the goal of combating political polarization and media bias.
Exposure value is a base-2 logarithmic scale defined by ( Ray 2000, 318 ): where. N is the f-number. t is the exposure time ("shutter speed") in seconds [2] EV 0 corresponds to an exposure time of 1 s and an aperture of f/1.0 . If the EV is known, it can be used to select combinations of exposure time and f-number, as shown in Table 1.
Compact Cassette tape types and formulations. Standardized notches for automatic tape selection. Top to bottom: Type I (and Type III), Type II, Type IV. Audio compact cassettes use magnetic tape of three major types which differ in fundamental magnetic properties, the level of bias applied during recording, and the optimal time constant of ...
The Dunning–Kruger effect is defined as the tendency of people with low ability in a specific area to give overly positive assessments of this ability. [2] [3] [4] This is often seen as a cognitive bias, i.e. as a systematic tendency to engage in erroneous forms of thinking and judging. [5] [6] [7] In the case of the Dunning–Kruger effect ...
A litre is a cubic decimetre, which is the volume of a cube 10 centimetres × 10 centimetres × 10 centimetres (1 L ≡ 1 dm 3 ≡ 1000 cm 3 ). Hence 1 L ≡ 0.001 m 3 ≡ 1000 cm 3; and 1 m 3 (i.e. a cubic metre, which is the SI unit for volume) is exactly 1000 L. From 1901 to 1964, the litre was defined as the volume of one kilogram of pure ...
Phenol red exists as a red crystal that is stable in air. Its solubility is 0.77 grams per liter (g/L) in water and 2.9 g/L in ethanol. [1] It is a weak acid with p Ka = 8.00 at 20 °C (68 °F). A solution of phenol red is used as a pH indicator, often in cell culture.
The Western Electric rules are decision rules in statistical process control for detecting out-of-control or non-random conditions on control charts. Locations of the observations relative to the control chart control limits (typically at ±3 standard deviations) and centerline indicate whether the process in question should be investigated for assignable causes.
Universal Disk Format ( UDF) is an open, vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660.