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Winds of Change

Written by Dr Klaus L E Kaiser

In Grimm brothers’  world-famous mythical story about “Hänsel and Gretel” in the forest, their answer to the witch’s question about the strange sound she heard, was “Der Wind, der Wind, das himmlische Kind” (the wind, the wind, the heavenly child).

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A Light Discussion: Particles or Waves?

Written by Herb Rose

The debate on the nature of light in the early twentieth century, whether light was a particle or a wave, led to Einstein’s solution with the creation of the photon where waves could become particle like, having no mass but containing energy.

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NASA to launch mission to study cosmic rays in the heliosphere

Written by Karen Graham

This image shows the locations of Voyagers 1 and 2. Voyager 1 is traveling a lot and has crossed int...

This image shows the locations of Voyagers 1 and 2. Voyager 1 is traveling a lot and has crossed into the heliosheath, the region where interstellar gas and solar wind start to mix.
NASA/Walt Feimer

NASA has selected a science mission planned for launch in 2024 that will sample, analyze, and map particles streaming to Earth from the edges of interstellar space.

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How to Foster Famine

Written by Viv Forbes

Famine has haunted humans for most of their history. In the days of the Pharaohs, whenever the Nile River failed to flood, Egypt starved. Joseph was called in and he organised stockpiling of grain for famine relief.

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