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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
Peer instruction. Peer instruction is an evidence-based, interactive teaching method popularized by Harvard Professor Eric Mazur in the early 1990s. [1] [2] Originally used in many schools, including introductory undergraduate physics classes at Harvard University, peer instruction is used in various disciplines and institutions around the globe.
Reason is the capacity of applying logic consciously by drawing valid conclusions from new or existing information, with the aim of seeking the truth. [1] It is associated with such characteristically human activities as philosophy, religion, science, language, mathematics, and art, and is normally considered to be a distinguishing ability possessed by humans.
With enough warm summer days upon us, many gardeners in the area are beginning to sing their woes about the dreaded Japanese beetle. Generally numerous, these metallic green and brown insects are ...
August 5, 2024 at 1:01 AM. By Anastasiia Malenko. (Reuters) -Ukrainian pilots have started flying F-16s for operations within the nation, President Volodymyr Zelenskiy said on Sunday, confirming ...
Onboard morgues allow a ship’s crew to store bodies in the event of a death during a cruise, according to Winkleman. The facilities are refrigerated, stainless steel rooms accommodating between ...
An automated external defibrillator or automatic electronic defibrillator (AED) is a portable electronic device that automatically diagnoses the life-threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, [1] and is able to treat them through defibrillation, the application of electricity which stops the arrhythmia, allowing the heart to re ...
RF module. An RF module (short for radio-frequency module) is a (usually) small electronic device used to transmit and/or receive radio signals between two devices. In an embedded system it is often desirable to communicate with another device wirelessly. This wireless communication may be accomplished through optical communication or through ...