Minor in possession laws (sometimes called underage drinking laws) target sales of alcohol to minors and public possession of alcohol by minors. Since the passage in 1984 of the National Minimum Drinking Age Act (23 U.S.C.A. Â§ 158), all states have had to raise their minimum drinking age to 21.
A scramjet (supersonic combusting ramjet) is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow.pace launch vehicles may or may not benefit from having a scramjet stage. A scramjet stage of a launch vehicle theoretically provides a specific impulse of 1000 to 4000 s whereas a rocket provides less than 450 s while in the atmosphere.
scramblescrambled datascrambled signalscrambled speechscrambler. SCR. Abbreviation of silicon-controlled rectifier. A semiconductor device with four layers, p-n-p-n, which has an input terminal, or gate, output terminal, or anode, and a terminal common to both called cathode. Used, for instance, as a solid-state switch that turns large amounts of power on and off very quickly.