Category Archives: Video

Gödel and Mandelbrot

Posted on 2023-05-04 [Thursday] by Jay Jay

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A few quick videos:

• The paradox at the heart of mathematics: Gödel’s Incompleteness Theorem – Marcus du Sautoy
• The Mandelbrot set, Chaos theory, fractals and chaotic phenomenon

“Categories for the Working Hacker” by Philip Wadler

Posted on 2023-05-04 [Thursday] by Jay Jay

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An intro to category theory: “Categories for the Working Hacker” by Philip Wadler.

Math binge

Posted on 2023-05-03 [Wednesday] by Jay Jay

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Some fun math videos:

• How To Count Past Infinity
• The Banach–Tarski Paradox
• Numberphile v. Math: the truth about 1+2+3+…=-1/12

And some fun math articles:

• Ordinal number
• Infinitesimal
• Surreal number
• Ludwig Boltzmann
• Arithmetical hierarchy
• Turing jump
• Computably enumerable set
• Recursively enumerable language
• Creative and productive sets
• Post’s theorem
• Transfinite number
• Barber paradox
• Aleph number

3Blue1Brown

Posted on 2023-04-22 [Saturday] by Jay Jay

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Learned about a YouTube channel that runs math videos: 3Blue1Brown. The channel is here.

Video equipment

Posted on 2023-04-12 [Wednesday] by Jay Jay

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I got a bunch of stuff:

• BU110 ExtremeCap UVC HDMI to USB adapter
• Logitech C922 Pro Stream Webcam
• Webcam Stand, Upgraded Flexible Desktop Stand Gooseneck Stands Holder for Logitech Webcam C922 C930e C920S C920 C615 C960 and BRIO and Other Devices with 1/4″ Thread
• Webcam Stand – 25 inch Gooseneck Clamp Desk Webcam Mount Arm for Logitech Webcam C920s C920 C930e C922x C930 C922 C925e C615 Brio – Acetaken
• Tablet Wall Mount for iPad, EXSHOW 35in Adjustable Arm Drill Base Tablet Mount for Kitchen Cabinet Desk, Camera Holder Webcam Stand for iPad Pro 12.9 Air Mini, Galaxy Tabs, Switch,iPhone,4-13″ Tablets
• High Speed 512GB USB 3.1 Solid State Mobile External SSD Hard Drive Disk 540MB/s
• HD USB Webcam Camera Video Calling Web Cam with Mic for PC Desktop Laptop
• USB 2.0 13MP HD Webcam Camera Web Cam With Mic For Computer PC Laptop LED #T
• 11 in 1 USB C Hub 4K HDMI Adapter VGA Dongle 3 USB 3.0 Ports SD/TF Type C PD AUX
• Long USB Extension Data Cable 2.0 A Male to A Female Adpter Cord for Computer; 5 meters; Transparent
• Professional Music Stand Adjustable Folding Heavy Duty Large Stage Black