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Astounding Stories of Super-Science, March 1930 by Various Authors

Book Name:
Astounding Stories of Super-Science, March 1930
Book info:
Astounding Stories of Super-Science, March 1930 by Various Authors
Book Size:
75,094 / 224 pg
Mnybks.net:
24904
Publisher:
gutenberg.org
Date of Addition:
1930
Copyright Date:
1930
Copyrighted By:
Various Authors from gutenberg.org
Adult content:
No
Language:
English
Categories:
Periodical, Science Fiction, Post-1930
Grade Levels:
PS
Submitted By:
Admin
NIMAC:
Astounding Stories of Super-Science, March 1930 by Various Authors is a free eBook resources for your Kindle, iPad/iPhone, computer, smart phone or ereader.

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Astounding Stories of Super-Science, March 1930 by Various Authors description:

COLD LIGHT – CAPTAIN S. P. MEEK
How Could a Human Body Be Found Actually Splintered––Broken into Sharp Fragments Like a Shattered Glass! Once Again Dr. Bird Probes Deep into an Amazing Mystery.

way, yes."

"A searchlight is merely a source of light, and of course, of heat, which is placed at the focus of a parabolic reflector so that all of the rays emanating from the source travel in parallel lines. A searchlight, of course, gives off heat. If we place a lens of the same size as the searchlight aperture in the path of the beam and concentrate all the light, and heat, at one spot, the focal point of the lens, the temperature at that point is the same as the temperature of the source of the light, less what has been lost by radiation. You understand that, do you not?"

"Certainly."

"Suppose that we place at the center of the aperture of the searchlight a small opaque disc which is permeable neither to heat nor light, in such a manner as to interrupt the central portion of the beam. As a result, the beam will go out in the form of a hollow rod, or pipe, of heat and light with a dark, cold core. This core will have the temperature of the surrounding air plus the small amount which h



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