Despite the high temperature of the explosion, it is so short that it does not have time to heat nearby objects, and it is safe to hold one's hand within a few inches of the flash. This picture was made entirely by the light of the explosion.
Part of the big glass condenser that supplies the 50,000 volt current used to explode the wires. Mr. Pompio is shown turning on the current to make an explosion.
The Pons-Winnecke comet, which occasioned much excitement last summer when it came within 4,000,000 miles of the earth, had the distinction of possessing the smallest nucleus that has ever been observed in such a body. Probably it was not more than two or three miles in diameter. This is announced by Dr. V.M. Slipher, director of the Lowell Observatory at Flagstaff, Arizona.
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