Tin whistle Tin whistle The tin whistle, also called the penny whistle, English flageolet, Scottish penny whistle, tin flageolet, Irish whistle, Belfast Hornpipe, (or simply ) and Clarke London Flageolet is a simple, six-holed woodwind instrument. It is a type of fipple flute, putting it in the same class as the recorder, Native American flute, and other woodwind instruments that meet such criteria. A tin whistle player is called a tin whistler or simply a whistler. The tin whistle is closely associated with Celtic music. The tin whistle in its modern form is from a wider family of fipple flutes which have
Structural holes Structural holes Structural holes is a concept from social network research, originally developed by Ronald Stuart Burt. The study of structural holes spans the fields of sociology, economics, and computer science. Burt introduced this concept in an attempt to explain the origin of differences in social capital. Burt’s theory suggests that individuals hold certain positional advantages/disadvantages from how they are embedded in neighborhoods or other social structures. A structural hole is understood as a gap between two individuals who have complementary sources to information. Most social structures tend to be characterized by dense clusters of strong connections, also known as