|
Author Question: Two ranges of wavelengths, shortwave energy and longwave energy are most important for understanding ... (Read 29 times) |
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.