11. Over galactic distances, the interstellar medium induces some scintillation effects and artificial modulation of electromagnetic signals . 12. The satellite was equipped with instruments for transmitting and receiving electromagnetic signals in the K u bands. 13. A German inventor has patented a device that uses electromagnetic signals to detect the presence of living bodies. 14. Study of the closely monitored 2004 Parkfield earthquake found no evidence of precusory electromagnetic signals of any type. 15. This floor is damped and floating on absorbent buffers to isolate it from outside vibration or electromagnetic signals . 16. The " prime " in this formula appears because the electromagnetic signal travels at the speed of light. 17. Electromagnetic and radio-wave detectors were used but no abnormal electromagnetic signals or paranormal effects were observed. 18. The electromagnetic signals from nerves were too slight to register independently of all the other signals coming from surrounding body tissue. 19. Ray Thompson, 40, a Navy veteran who is an electromagnetic signal analyst, was unpacking fishing gear from his car. 20. Schmidt designed a diode direct receiver to pick up and demodulate, or convert, the electromagnetic signals emanating from human bodies.
