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.
In the course of writing it, I spent a day with the pilots, engineers and designers of an aircraft that's meant to bring about just that sort of new approach: the HondaJet, a fast, comparatively cheap five-passenger Very Light Jet that Honda hopes will not only appeal to the usual run of corporate-jet purchasers, but that will also promote an entirely new way of flying, one that's capable of bridging the gap between cheap-but-unreliable commercial jet travel and swanky-but-expensive ...