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A version called mPB was created by optimizing codon usage for mammalian (mouse) with a 20x increase in activity, [9] and further mutation screening generated hyPB with 10x the activity of mPB. [10] PiggyBac system have been successfully employed to express large genetic sequences, such as a doxycicline-inducible CRISPR interference system.
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour). [Note 3] According to the special theory of relativity, c is the upper limit for the speed at which ...
Foucault's measurement confirmed le Verrier's estimate. [5] : 227–234 His 1862 figure for the speed of light (298000 km/s) was within 0.6% of the modern value. [14] As seen in Figure 3, the displaced image of the source (slit) is at an angle 2 θ from the source direction. [8]
Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...
At 3 times the speed it was again eclipsed. Given the rotational speed of the wheel and the distance between the wheel and the mirror, Fizeau was able to calculate a value of 2 x 8633m x 720 x 25.2/s = 313,274,304 m/s for the speed of light. Fizeau's value for the speed of light was about 5% too high. The correct value is 299,792,458 m/s.
The DOT code [1] is an alphanumeric character sequence molded into the sidewall of the tire and allows the identification of the tire and its age. The code is mandated by the U.S. Department of Transportation [2] but is used worldwide. [3] The DOT code is also useful in identifying tires subject to product recall [4] or at end of life due to age.
Piggybacking (Internet access) Piggybacking on Internet access is the practice of establishing a wireless Internet connection by using another subscriber's wireless Internet access service without the subscriber's explicit permission or knowledge. It is a legally and ethically controversial practice, with laws that vary by jurisdiction around ...
An incomplete right bundle branch block (IRBBB) is a conduction abnormality in the right bundle branch block. While a complete RBBB has a QRS duration of 120 ms or more, an incomplete RBBB has a wave duration between 100 and 120 ms. It has a relatively high prevalence, a study conducted on young Swiss military conscripts with a mean age of 19 ...