Dr John Freeman
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scifiguy.bsky.social
Dr John Freeman
@scifiguy.bsky.social
340 followers 410 following 1.5K posts
Hopeless ball of stress - writes booklets to help authors, gamers, GMs, and other creatives with the space and technology details of their projects, when they need that. 'Cos I went and got a PhD in engineering and physics, and I like helping people.
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scifiguy.bsky.social
Dr John Freeman @scifiguy.bsky.social · Jan 29
Donald who? 'Trump'. Ah ha ha , very funny trolls, the US has some rando off the street named 'Donald Trump' (trump is UK slang for flatulence) as president, like some dumb Simpsons or Family Guy episode.
Come on, you can do better than that

#thatpresidentisfake
scifiguy.bsky.social
#space #development
Off Nominal, Episode 227:

Jake and Anthony are joined by author Alastair Storm Browne to talk about developing space, and his new book, Building the Space Infrastructure.

www.youtube.com/watch?v=gc1D...
Episode 227 - They Make the Rocket from One Factory (with Alastair Storm Browne)
YouTube video by Off-Nominal
www.youtube.com
February 7, 2026 at 12:57 AM
scifiguy.bsky.social
Is There A Link Between Primordial Black Holes, Neutrinos, and Dark Matter?

www.universetoday.com/articles/is-...

#space #physics #exploration
Is There A Link Between Primordial Black Holes, Neutrinos, and Dark Matter?
In 2023, a subatomic particle called a neutrino crashed into Earth with such a high amount of energy that it should have been impossible. In fact, there are no known sources anywhere in the universe c...
www.universetoday.com
February 5, 2026 at 11:25 PM
Reposted by Dr John Freeman
mthart.bsky.social
#writerslift !
Time to promote yourself on this #Thirstythursday !
READERS find your next read here!
ABP=Always Be Promoting!
Post your links, websites, books, art audiobooks, pages, WhateverItTakes! #ShamelessSelfpromoThursday
BUY A BOOK!
a woman sitting on a balcony looking out over a city at night
ALT: a woman sitting on a balcony looking out over a city at night
media.tenor.com
January 29, 2026 at 10:37 AM
Reposted by Dr John Freeman
futurefantasy5.bsky.social
Time for a #writerslift #ShamelessSelfpromoThursday
Drop to your #books, #blogs, #poems, #shorts #articles, etc.
#readersoftwitter BUY A BOOK!
#BookBoost #BooksWorthReading #writerslife #amwriting #BookRecommendations #booksky
February 5, 2026 at 3:04 PM
Reposted by Dr John Freeman
mthart.bsky.social
#writerslift !
Time to promote yourself on this #thirstythursday!
READERS find your next read here!
ABP=Always Be Promoting!
Post your links, websites, books, art audiobooks, pages, WhateverItTakes! #ShamelessSelfpromoThursday
BUY A BOOK!
a woman is sitting in a car with the words get in written below her
ALT: a woman is sitting in a car with the words get in written below her
media.tenor.com
February 5, 2026 at 10:59 AM
Reposted by Dr John Freeman
kindlepromos.bsky.social
It's Thursday and time for your daily #writerslift and to promote yourself! Post your links, websites, books, art, audiobooks, pages,#WhateverItTakes! #ShamelessSelfpromoThursday
BUY A BOOK! Weekly pinned tweet promo spots a top 5 profiles open on x, DM for details :)
a woman in a beret is reading a book
ALT: a woman in a beret is reading a book
media.tenor.com
February 5, 2026 at 11:25 AM
Reposted by Dr John Freeman
wobbleboo.com
Hi, amazing authors! It's #ShamelessSelfpromoThursday —time for a fresh round of #WritersLift! 🌟 Drop your #links, #websites, #books, #art, #audiobooks, #YouTube channels, or anything else you're proud of. #writingcommunity #illustrations #readingcommunity #booksky
February 5, 2026 at 2:59 PM
scifiguy.bsky.social
FireSat adds orbit-visualization software to help firefighters plan around satellite passes

spacenews.com/firesat-adds...

#space #firefighting #satellites #disaster
FireSat adds orbit-visualization software to help firefighters plan around satellite passes
FireSat adds orbit-visualization software to help firefighters plan around satellite passes FireSat adds orbit-visualization software to help firefighters plan around satellite passes
spacenews.com
February 4, 2026 at 11:00 PM
Reposted by Dr John Freeman
mthart.bsky.social
#writerslift!
Time to promote yourself on this #WerewolfWednesday !
READERS find your next read here!
ABP=Always Be Promoting!
Post your links, websites, books, art audiobooks, pages, WhateverItTakes! #ShamelessSelfpromoWednesday
BUY A BOOK!
a man is holding a mickey mouse doll in his hand
ALT: a man is holding a mickey mouse doll in his hand
media.tenor.com
January 21, 2026 at 10:43 AM
Reposted by Dr John Freeman
futurefantasy5.bsky.social
Time for a #writerslift #ShamelessSelfpromoWednesday
Drop to your #books, #blogs, #poems, #shorts #articles, etc.
#readersoftwitter BUY A BOOK!
#BookBoost #BooksWorthReading #writerslife #amwriting #BookRecommendations #booksky
January 28, 2026 at 5:11 PM
Reposted by Dr John Freeman
jrmartin.bsky.social

Hey, #AUTHORS, #Share YOUR
#books & #links

#ShamelessSelfpromoWednesday #WRITERSLIFT
#READERS find GREAT books!
#writingcommunity #mustread
#booklovers #book #podcasts #art #ReadersCommunity #booktwitter #blogs #bookrecommendations #poetry #sciencefiction
#fantasy #interview
February 4, 2026 at 9:57 PM
Reposted by Dr John Freeman
kindlepromos.bsky.social
It's Wednesday and time for your daily #writerslift and to promote yourself! Post your links, websites, books, art, audiobooks, pages,#WhateverItTakes! #ShamelessSelfpromoWednesday
BUY A BOOK! Weekly pinned tweet promo spots a top 5 profiles open on x, DM for details :)
a person is reading a book on a train platform in front of a building with chinese writing on it
ALT: a person is reading a book on a train platform in front of a building with chinese writing on it
media.tenor.com
February 4, 2026 at 11:23 AM
Reposted by Dr John Freeman
wobbleboo.com
Hi, spectacular authors! It's #ShamelessSelfpromoWednesday —time for a fresh round of #WritersLift! 🌟 Drop your #links, #websites, #books, #art, #audiobooks, #YouTube channels, or anything else you're proud of. #writingcommunity #illustrations #readingcommunity #booksky
February 4, 2026 at 2:07 PM
scifiguy.bsky.social
Global Space Economy Reaches $626 Billion, Marking a New Phase of Growth

spacenews.com/global-space...

#space #economy
Global Space Economy Reaches $626 Billion, Marking a New Phase of Growth
Global Space Economy Reaches $626 Billion, Marking a New Phase of Growth
spacenews.com
February 2, 2026 at 12:38 AM
scifiguy.bsky.social
Varda’s W-5 mission lands in Australia

spacenews.com/vardas-w-5-m...

#space #factory #industry #highaltitude
Varda’s W-5 mission lands in Australia
Varda Space Industries completed its latest reentry mission Jan. 29, completing an end-to-end demonstration of a new in-house spacecraft design.
spacenews.com
February 2, 2026 at 12:36 AM
Reposted by Dr John Freeman
mthart.bsky.social
#writerslift !
Time to promote yourself!
READERS find your next read here!
ABP=Always Be Promoting!
Post your links, websites, books, art audiobooks, pages, WhateverItTakes! #ShamelessSelfpromoSunday
BUY A BOOK!
a black monster with red eyes and horns is smiling
ALT: a black monster with red eyes and horns is smiling
media.tenor.com
January 25, 2026 at 10:59 AM
Reposted by Dr John Freeman
futurefantasy5.bsky.social
Time for a #writerslift #ShamelessSelfpromoSunday
Drop to your #books, #blogs, #poems, #shorts #articles, etc.
#readersoftwitter BUY A BOOK!
#BookBoost #BooksWorthReading #writerslife #amwriting #BookRecommendations #booksky
January 25, 2026 at 4:47 PM
Reposted by Dr John Freeman
kindlepromos.bsky.social
It's Sunday and time for your daily #writerslift and to promote yourself! Post your links, websites, books, art, audiobooks, pages,#WhateverItTakes! #ShamelessSelfpromoSunday
BUY A BOOK! Weekly pinned tweet promo spots a top 5 profiles open on x, DM for details :)
a woman leaning against a tree reading a book with gilmore club on the bottom
ALT: a woman leaning against a tree reading a book with gilmore club on the bottom
media.tenor.com
January 25, 2026 at 1:53 PM
Reposted by Dr John Freeman
kindlepromos.bsky.social
It's Sunday and time for your daily #writerslift and to promote yourself! Post your links, websites, books, art, audiobooks, pages,#WhateverItTakes! #ShamelessSelfpromoSunday
BUY A BOOK! Weekly pinned tweet promo spots a top 5 profiles open on x, DM for details :)
a woman in a white dress is reading a blue book
ALT: a woman in a white dress is reading a blue book
media.tenor.com
February 1, 2026 at 12:45 PM
scifiguy.bsky.social
Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images

www.space.com/astronomy/co...

#space #astronomy
Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images
The comet broke into pieces after making a close approach around the sun in October 2025.
www.space.com
February 1, 2026 at 2:01 AM
Reposted by Dr John Freeman
futurefantasy5.bsky.social
Time for a #writerslift #ShamelessSelfpromoSaturday
Drop to your #books, #blogs, #poems, #shorts #articles, etc.
#readersoftwitter BUY A BOOK!
#BookBoost #BooksWorthReading #writerslife #amwriting #BookRecommendations #booksky
January 24, 2026 at 3:23 PM
Reposted by Dr John Freeman
wobbleboo.com
Hi, amazing authors! It's #ShamelessSelfpromoSaturday —time for a fresh round of #WritersLift! 🌟 Drop your #links, #websites, #books, #art, #audiobooks, #YouTube channels, or anything else you're proud of. #writingcommunity #illustrations #readingcommunity #booksky
January 31, 2026 at 1:38 PM
Reposted by Dr John Freeman
kindlepromos.bsky.social
It's Saturday and time for your daily #writerslift and to promote yourself! Post your links, websites, books, art, audiobooks, pages,#WhateverItTakes! #ShamelessSelfpromoSaturday
BUY A BOOK! Weekly pinned tweet promo spots a top 5 profiles open on x, DM for details :)
a cartoon woman wearing glasses is reading a book while sitting under a tree .
ALT: a cartoon woman wearing glasses is reading a book while sitting under a tree .
media.tenor.com
January 31, 2026 at 12:54 PM
scifiguy.bsky.social
#space #moon #exploration

Asteroid 2024 YR4 has a 4% chance of hitting the moon. Here's why that's a scientific goldmine

phys.org/news/2026-01...
Asteroid 2024 YR4 has a 4% chance of hitting the moon. Here's why that's a scientific goldmine
There's a bright side to every situation. In 2032, the moon itself might have a particularly bright side if it is blasted by a 60-meter-wide asteroid. The chances of such an event are still relatively...
phys.org
January 28, 2026 at 2:35 AM