Double bass redoubled

Article Abstract:

Infrasonics refer to too low pitched sounds that cannot be heard by humans. It can be produced by large-scale events such as hurricanes and avalanches. Detection of infrasound can be undertaken through the use of a microphone and an amplifier than can work well with low frequency sound.

Analysis, Measurement, Nature sounds, Sound

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Recollections of a nuclear war

Article Abstract:

The first atomic bomb, which ushered in the nuclear age, was developed in response to the inevitability of World War II. However, after over 50 years nuclear weapons proliferation, it is evident that only total, global disarmament will save the world from the spectre of nuclear war.

Evaluation, History, Nuclear weapons, Nuclear disarmament, Nuclear nonproliferation

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Wonders

Article Abstract:

Since 1996, astronomers from Italy and California have discovered three stars that resemble the sun along with their orbiting planets. Such discovery prompts an observer to estimate the number of more sunlike stars in the universe.

Personal narratives, Column, Astronomy, Discovery and exploration, Stars

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