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JSA #16 - "Year One IV" (2026)

written by Jeff Lemire art by Gavin Guidry & Luis Guerrero

#JSA #atom #hawkman #cyclotron #DC #DC comics #al pratt #carter hall #terrence kurtzberger

Jake Machen

#master of the universe #cyclotron #apocalypse

Ok so in G1, Cyclonus can mass shift to be an actual ship for Galvatron, or at least he does in the movie. I feel like we as a fandom need to do more with that.

For example, Cyclonus could easily restrain Galvatron with whateverthefuck equipment he has in space cruiser/ship/plane mode (I honestly have no clue what he is). What I'm saying is naughty, over agressive Galvatrons get strapped down and fucked

-Roddychoo

Oh? How delicious... Listen Galvatron just needs a timeout, so Cyclonus will get him settled somewhere secure and make sure he learns his lesson very thoroughly... :)

#valveplug #galvatron #g1 cyclonus #cyclotron

Lawrencium noo.......

#art #oc #oc art #artists on tumblr #science #element cats #element cats: lr #element cats: sg #element cats: bh #furry #furry art #furry anthro #cyclotron #science puns #suggestive

🎄💾🗓️ Day 11: Retrocomputing Advent Calendar - The SEL 840A🎄💾🗓️

Systems Engineering Laboratories (SEL) introduced the SEL 840A in 1965. This is a deep cut folks, buckle in. It was designed as a high-performance, 24-bit general-purpose digital computer, particularly well-suited for scientific and industrial real-time applications.

Notable for using silicon monolithic integrated circuits and a modular architecture. Supported advanced computation with features like concurrent floating-point arithmetic via an optional Extended Arithmetic Unit (EAU), which allowed independent arithmetic processing in single or double precision. With a core memory cycle time of 1.75 microseconds and a capacity of up to 32,768 directly addressable words, the SEL 840A had impressive computational speed and versatility for its time.

Its instruction set covered arithmetic operations, branching, and program control. The computer had fairly robust I/O capabilities, supporting up to 128 input/output units and optional block transfer control for high-speed data movement. SEL 840A had real-time applications, such as data acquisition, industrial automation, and control systems, with features like multi-level priority interrupts and a real-time clock with millisecond resolution.

Software support included a FORTRAN IV compiler, mnemonic assembler, and a library of scientific subroutines, making it accessible for scientific and engineering use. The operator’s console provided immediate access to registers, control functions, and user interaction! Designed to be maintained, its modular design had serviceability you do often not see today, with swing-out circuit pages and accessible test points.

And here's a personal… personal computer history from Adafruit team member, Dan…

== The first computer I used was an SEL-840A, PDF:

I learned Fortran on it in eight grade, in 1970. It was at Oak Ridge National Laboratory, where my parents worked, and was used to take data from cyclotron experiments and perform calculations. I later patched the Fortran compiler on it to take single-quoted strings, like 'HELLO', in Fortran FORMAT statements, instead of having to use Hollerith counts, like 5HHELLO.

In 1971-1972, in high school, I used a PDP-10 (model KA10) timesharing system, run by BOCES LIRICS on Long Island, NY, while we were there for one year on an exchange.

Serial no. 01 175Consisting of CPU with table and control panel, tape control unit, Processor Bays 2 and 3, core memory unit MG10, RH10 data

This is the front panel of the actual computer I used. I worked at the computer center in the summer. I know the fellow in the picture: he was an older high school student at the time.

This DEC PDP-10 KA10 Control Panel was donated by Bruce Maier of Long Island New York. The recently retired Mr. Maier operated this early D

The first "personal" computers I used were Xerox Alto, Xerox Dorado, Xerox Dandelion (Xerox Star 8010), Apple Lisa, and Apple Mac, and an original IBM PC. Later I used DEC VAXstations.

Dan kinda wins the first computer contest if there was one… Have first computer memories? Post’em up in the comments, or post yours on socialz’ and tag them #firstcomputer #retrocomputing – See you back here tomorrow!

Breaking Down the Hall of Justice Mural in Superman, Part 13: Amazing-Man / William Everett Sr.

Created by Roy Thomas and Jerry Ordway as an homage to the public domain Golden Age hero Amazing Man, William Everett Sr. was a track-and-field star from Detroit who competed in the 1936 Berlin Olympics, where he and Jesse Owens defied Nazi propaganda by winning gold medals. After struggling to find work, Everett became a janitor in a laboratory owned by Dr. Terry Curtis (Cyclotron).

One night, Everett was kidnapped by the Ultra-Humanite and subjected to a dangerous experiment with Curtis’s electro-generator. The explosion granted him the ability to absorb the properties of any material he touched. Initially manipulated into working for the Ultra-Humanite to protect his family, Everett eventually turned against him and joined the All-Star Squadron, later becoming a member of the Justice Society of America.

Everett’s heroism extended beyond the battlefield. In later years, after his secret identity was revealed by the FBI, he faced personal and family danger but refused to hide. He became an active figure in the Civil Rights movement, participating in anti-segregation marches and using his powers in the service of justice during a turbulent chapter of American history.

His legacy continued through his grandson, William Everett III, and later Markus Clay, both of whom took up the mantle of Amazing-Man.

Group Affiliations: Justice Society of America, All-Star Squadron

Speculation: With the JSA appearing multiple times in the mural, Everett could easily appear in a period-set JSA story or have his legacy represented through one of his successors in a modern team.

First Appearance: All-Star Squadron (1981) #23

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