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2. Magnetic-core memory - Wikipedia

   en.wikipedia.org/wiki/Magnetic-core_memory

   v. t. e. Magnetic-core memory is a form of random-access computer memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally, core . Core memory uses toroids (rings) of a hard magnetic material (usually a semi-hard ferrite ). Each core stores one bit of information.

3. Test tube rack - Wikipedia

   en.wikipedia.org/wiki/Test_tube_rack

   Test tube racks are laboratory equipment used to hold upright multiple test tubes at the same time. They are most commonly used when various different solutions are needed to work with simultaneously, for safety reasons, for safe storage of test tubes, and to ease the transport of multiple tubes. Test tube racks also ease the organization of ...

4. Johnny Mnemonic (film) - Wikipedia

   en.wikipedia.org/wiki/Johnny_Mnemonic_(film)

   Johnny Mnemonic (film) Johnny Mnemonic. (film) Johnny Mnemonic is a 1995 cyberpunk action film [6] directed by Robert Longo in his feature directorial debut. William Gibson, who wrote the 1981 short story, wrote the screenplay. The film, set in 2021, portrays a dystopian future racked by a tech-induced plague, awash with conspiracies, and ...

5. This ingenious storage cube — now $13 off - AOL

   www.aol.com/lifestyle/ingenious-storage-cube-now...

   Shop it: Honey-Can-Do Ornament Storage Box, $37 (was $50), qvc.com This products is sheer genius in its simplicity: It's a cube featuring 120 honeycomb-esque compartments, each a nestling pod for ...

6. Beryllium copper - Wikipedia

   en.wikipedia.org/wiki/Beryllium_copper

   Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze, and spring copper, is a copper alloy with 0.5–3% beryllium. Copper beryllium alloys are often used because of their high strength and good conductivity of both heat and electricity. It is used for its ductility, weldability in metalworking, and machining properties

7. Vacuum-tube computer - Wikipedia

   en.wikipedia.org/wiki/Vacuum-tube_computer

   A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.