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Here's a photo of the disk: https://twitter.com/herrprofdr/status/959186835929878528 https://twitter.com/herrprofdr/status/959186835929878528
by pdw 9y ago
Here's a photo of the disk: https://twitter.com/herrprofdr/status/959186835929878528 https://twitter.com/herrprofdr/status/959186835929878528