Submissions from upperstory.com

		Bridge or Bust (From Turing Tumble Inventors) (upperstory.com)
		1 point by piqufoh 64 days ago \| past
		Turing Tumble – Build marble-powered computers (upperstory.com)
		5 points by johlo 7 months ago \| past
		Turing Tumble – Build Marble-Powered Computers (upperstory.com)
		3 points by ColinWright on March 16, 2024 \| past
		A mechanical analogy of electric circuits (upperstory.com)
		1 point by stared on May 5, 2023 \| past
		Spintronics – learn electronics with mechanical circuits (upperstory.com)
		4 points by jwilliams on Dec 13, 2022 \| past
		Spintronics Simulator (upperstory.com)
		1 point by mcp_ on May 20, 2021 \| past