A complex control panel whose knobs have all been replaced with the menacing red eye of HAL9000 from Kubrick's '2001: A Space Odyssey.' A skeletal figure on one side of the image reaches out a bony finger to twiddle one of the knobs. Image: Cryteria (modified) https://commons.wikimedia.org/wiki/File:HAL9000.svg CC BY 3.0 https://creativecommons.org/licenses/by/3.0/deed.en -- djhughman (modified) https://commons.wikimedia.org/wiki/File:Modular_synthesizer_-_%22Control_Voltage%22_electronic_music_shop_in_Portland_OR_-_School_Photos_PCC_%282015-05-23_12.43.01_by_djhughman%29.jpg CC BY 2.0 https://creativecommons.org/licenses/by/2.0/deed.en
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