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Showing posts from January, 2020

The lights are on

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The world, the universe, is full to the brim with wonders. The most amazing of all, to my mind, is one that everyone has access to every morning as soon as they wake up - consciousness. It's a puzzle that continues to baffle science. How does matter come together in such a way that suddenly the 'lights are on'. How does the collection of atoms in our brains become aware - so that it's 'like something' to be us. And just what *is* a sensation? Take the sensations of hearing a bird singing. The physics and biology of the process are well known. The bird uses energy - originally from the sun - to move the muscles in its vocal organ - this in turn moves air molecules. Some of these enter our ear, vibrating the eardrum and causing nerve impulses to be sent to the brain where they are interpreted - sensed as bird song *Sensed as bird song* - this final part is where the "miracle" happens. Just what is the birdsongness of bird song, the greeness of green, t…

Celebrating the New Year with a fine display of willow catkins

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