“His Turn”

To the Framingham data, turn, turn, turn.

Turn, Turn, Turn: Predicting Turning Points in Economic Activity

strength and duration, that have, so far, characterized economic activity. January 31, 2001: Preliminary real GDP growth for the fourth quarter is barely above 1 percent, more than 4 percentage points below what is was only two quarters before and about 7 percentage points below its level in the third quarter of 1999. Much of the press, and some forecasters, predict that the first quarter of 20...

Samuel Johnson: his ills, his pills and his physician friends.

Samuel Johnson (1709-1784) was one of the greatest men of his age. Although famed for his writings, especially his Dictionary and his folio on Shakespeare, he is remembered for his tavern conversations, his literary clubs and the great biography of his life by Boswell. He always enjoyed having physicians as his friends, and took a great interest in all branches of medicine. He would advise and ...

A Turn-by-turn Vertical Profile Monitor

A turn-by-turn vertical beam profile monitor has been developed at the Cornell Electron Storage Ring (CESR). The instrument optically images the vertical beam distribution with an array of optical fibers that transport visible synchrotron radiation to an array of photo-multiplier tubes. Each PMT signal is recorded by a turn-by-turn data acquisition system. With this instrument, we compare profi...

Nature of His potential in His electrogram.

Unipolar His bundle electrograms were recorded with the muscle preparation isolated from the rabbit or the dog heart at as various sites as possible on and near the A-V conduction system and changes in appearance time and configuration of the so-called His (H) potential were examined. When the exploring electrode was shifted from the coronary sinus orifice down to the transition between the A-V...