Renewable Energy Footprints
We power humanity mostly by burning fossil fuels, thereby turning chemical energy into heat that ultimately gets radiated into space. In doing so we achieve some results deemed useful: we cook food,…
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To Go Where None Have Gone Before
Suppose we, meaning the human race, survive climate change, pandemics, and nuclear proliferation. What then? I’m talking about the long run.
Could Light And Noise From Earth Attract Alien Attention?
Since the first use of electric lamps in the 19th century, society hasn’t looked back. Homes and streets are lit at all hours so that people can go about their business when they’d once have been…
