Some LSD users experience flashbacks, recurrence of certain aspects of a personâs experience even if the user doesnât take the drug again. A flashback occurs suddenly, often without warning, and may occur within a few days or more than a year after LSD use.f taken in a large enough dose, the drug produces delusions and visual hallucinations. The userâs sense of time and self changes. Sensations may seem to âcross over,â giving the user the feeling of hearing colors and seeing sounds. These changes can be frightening and can cause panic.
Mercury /mer-cury/ [3 sylls.] as a boys' name is of Latin origin, and the meaning of Mercury is commerce. In modern usage, the name is sometimes a nickname for fleet-footed runners. Mythology: the messenger of the Gods who corresponds to the Greek Hermes.
1 The modern element symbol for mercury is Hg, which is the symbol for another name for mercury: hydrargyrum. 2  Hydrargyrum comes from Greek words for water-silver (hydr-means water, argyros means silver). 3  Mercury is a very rare element in the Earth's crust. 4  It accounts for only about only 0.08 parts per million (ppm). Mercury is a very rare element in the Earth's crust. 2  It accounts for only about only 0.08 parts per million (ppm). 3  Mercury generally is not allowed on aircraft because it combines so readily with aluminum, a metal that is common on aircraft.