Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space.
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Related: spectrum
Prev: Think of something as seemingly benign as the cellphone-we have microfinance and text-based social networking at one end of the spectrum, and improvised explosive devices at the other.
Next: We might be asked, for example, to determine what different elements could produce a spectrum that gave 5 different lines.
