Sonication. Sonication is the act of applying sound energy to agitate particles in a sample, for various purposes. In the laboratory, it is usually applied using an ultrasonic bath or an ultrasonic probe, colloquially known as a sonicator.
Nostalgia Critic is the most popular video series created by Doug Walker, in which he plays the titular reviewer. The show is written by him and his brother Rob Walker. The series was initially launched on YouTube before moving to Blip TV in 2008.
Nostalgia in its most common form was responsible for the old front desk of The Beverly Hills Hotel (from 1942 to 1979) being made into a bar. Nostalgia is a sentimentality for the past, typically for a period or place with happy personal associations.ostalgia's definition has changed greatly over time, as it was once considered a medical condition similar to homesickness. Nostalgia now, however, is considered to be an independent, and even positive emotion that many people experience often.