Michael M. Whiston
How Things Work: Radio
Radio uses only a portion of the electromagnetic spectrum, but it allows people to communicate with one another, experience visual and audio entertainment, and even explore outer space.
A radio wave consists of two perpendicular sine waves that are formed by electric and magnetic fields. One of the waves is a changing electric field, while the other wave is a changing magnetic field.SciTech | September 17, 2007
X PRIZE Challenge: Professor accepts challenge to put a robot on the moon
The broadcast of the Apollo 11 crew landing on the moon has come to symbolize U.S. space exploration. But with the aid of Carnegie Mellon’s cutting-edge technology, the next explorer to land on the moon might be a robot.SciTech | September 17, 2007
Popcorn may cause lung disease
According to Cecile Rose, a doctor at the National Jewish Medical and Research Center, fumes from microwave popcorn may have led to a “deadly lung disease” in one of her patients.SciTech | September 10, 2007
How Things Work: Holograms
From security emblems to magazine ads, holograms produce vibrant, 3-D images through the diffraction and reflection of light.
Depending on the viewer’s line of sight, holograms display different angles or colors of the same image, or different images altogether.SciTech | August 27, 2007
Morphine affects brain synapses
Researchers at Brown University recently performed a study showing that morphine’s influence on learning and memory may be the cause of the drug’s addictiveness.SciTech | April 30, 2007