Like all other inventions, Telephone unfolds a fascinating story that lead to its birth. It all started when an inspired Scotsman named Alexander Graham Bell invented telephone in 1876. Thomas Watson had fashioned the device-a crude thing prepared out of a funnel, wooden stand, acid, and cooper wires.All these simple parts lead to the simple earliest call, belie the complicated past.ike all other inventions, Telephone unfolds a fascinating story that lead to its birth. It all started when an inspired Scotsman named Alexander Graham Bell invented telephone in 1876. Thomas Watson had fashioned the device-a crude thing prepared out of a funnel, wooden stand, acid, and cooper wires.
Definition of stem for Students. 1 : the main stalk of a plant that develops buds and shoots and usually grows above ground. 2 : a thin plant part (as a leafstalk) that supports another part a cherry's stem. 3 : the bow of a ship.
Definition. A stem cell is a generic cell that can make exact copies of itself indefinitely. A stem cell has the ability to make specialized cells for various tissues in the body, such as heart muscle, brain tissue, and liver tissue. Stem cells can be saved and used later to make specialized cells, when needed.