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DO-248C, Supporting Information for DO-178C and DO-278A, published by RTCA, Incorporated, is a collection of Frequently Asked Questions and Discussion Papers addressing applications of DO-178C and DO-278A [1] in the safety assurance of software for aircraft and software for CNS/ATM systems, respectively.
CAST-15, Merging High-Level and Low-Level Requirements is a Certification Authorities Software Team (CAST) Position Paper. It is an FAA publication that "does not constitute official policy or guidance from any of the authorities", but is provided to applicants for software and hardware certification for educational and informational purposes only.
DO-178C, Software Considerations in Airborne Systems and Equipment Certification is the primary document by which the certification authorities such as FAA, EASA and Transport Canada approve all commercial software-based aerospace systems.
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Little Audrey (full name: Audrey Smith) is a fictional animated cartoon character, appearing in early 20th century comics [1] prior to starring in a series of Paramount Pictures' Famous Studios cartoons from 1947 to 1958. [2]
On July 30, 2020, a report by UNICEF and Pure Earth revealed that lead poisoning is affecting children on a "massive and previously unknown scale". According to the report, one in three children, up to 800 million globally, have blood lead levels at or above 5 micrograms per decilitre (μg/dL), which is the commonly-accepted threshold beyond ...
The field of archaeoacoustics uses acoustic techniques to explore prehistoric sounds, soundscapes, and instruments; it has included the study of ringing rocks and lithophones, of the acoustics of ritual sites such as chamber tombs and stone circles, and the exploration of prehistoric instruments using acoustic testing.
The expansion of early modern humans from the Levant where the Levantine Aurignacian stage has been identified. The Aurignacian (/ ɔːr ɪ ɡ ˈ n eɪ ʃ ən /) is an archaeological industry of the Upper Paleolithic associated with Early European modern humans (EEMH) lasting from 43,000 to 26,000 years ago.