A mercury switch (also known as a mercury tilt switch) is a switch which opens and closes an electrical circuit through a small amount of liquid mercury.Contents.he envelope may also contain air, an inert gas, or a vacuum. Gravity is constantly pulling the drop of mercury to the lowest point in the envelope. When the switch is tilted in the appropriate direction, the mercury touches a set of contacts, thus completing the electrical circuit through those contacts.
Irish stew is the product of a culinary tradition that relied almost exclusively on cooking over an open fire. It seems that Irish stew was recognized as early as about 1800.
âGradually, the perception of Ireland as the land of corned beef and cabbage is changing,â she said. Irish-American cookbook author Margaret Johnson, said that corned beef and cabbage is really an American interpretation of bacon and cabbage â a more traditional Irish food. The farm to table produce movement has found a home in Ireland such as this farmers' market in Kildare. (Photo Credit: Tourism Ireland).