लॉग इन करा
CIRCA 1954 - Nuclear fallout was measured from surface explosions in Operation Castle.
CIRCA 1950s - A scientist discusses the three effects of a nuclear explosion in the 1950s .
CIRCA 1964 - In this sci-fi film, a scientist successfully uses electrical equipment to revive her dying boyfriend in her lab.
1960s: Dot moves around on ring of concentric circles. Dot moves into circles, merges with other dot, spins around outermost circle. Drawing of spectrum. Animation of molecules absorbing photons.
1950s: Illustration: "RADIANT ENERGY" and white wavelength lines. Word "RADIO" and illustration of television set. Word "INFRA-RED" and illustration of lamp. Word "VISIBLE LIGHT" and gradient.
1950s: Animation of signal generator set to 400 cycles.
CIRCA 1928 - Diagram of a receiving apparatus.

1071387523

अधिक फुटेज पहा

1096297493
व्हिडिओ वर्णन

स्टॉक व्हिडिओ ID: 1096297493

1960s: List of wave radiation types, wavelength samples appear. Doctors at a desk looking at x-rays.

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कालावधी

  • 0:32

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