Emission of a specific band of wavelengths results in what we call 'light'. If there is such a thing as the 'balance of nature' (ie. 2nd law), then what is the opposite of light? It's not darkness (that's the absence of light). Use a black hole for example. Light can not escape, therefore we can not 'see' it. If these 'negative' photons are traveling 'away from us', shouldn't we call them 'dark' and address them as such?