Ele Willoughby
@minouette.bsky.social
Artist/marine geophysicist (PhD Physics) Printmaker Find/contact me at: minouette.Etsy.com minouette.blogspot.ca Instagram.com/the.minouette https://cara.app/minouette I post art, science, #sciart and stuff with typos. She/her, Settler in Tkaronto 🇨🇦
created May 9, 2023
12,292 followers 4,729 following 9,617 posts
view profile on Bluesky Posts
Ele Willoughby (@minouette.bsky.social)
While molybdenite gets some physics points (source of Re for geochronology, Mo used as a catalyst, battery electrodes, alloys of iron & semiconductors), Dioptase can be made into jewelry & (though a rare pigment) has been on artwork used since Neolithic times so it wins my art vote! #MinCup25
Ele Willoughby (@minouette.bsky.social) reposted
Happy birthday to Sophie Brahe (born either Aug 24, 1559 or Sept 22, 1556 -1643) 🐡🧪👩🏼🔬🔭horticulturalist, astronomer, genealogist, & alchemist with the gardens at her brother #astronomer Tycho Brahe’s Uraniborg estate, where she often assisted his research, alchemical tools & illustrations of the 🧵
Ele Willoughby (@minouette.bsky.social) reply parent
career in astrophysics. She became the first female president of the Institute of #Physics and of the Royal Society of Edinburg and helped set up the UK Athena Swan #womenInSTEM programme, amongst her other accomplishments. #linocut #printmaking
Ele Willoughby (@minouette.bsky.social) reply parent
has five authors, lead by Hewish, followed by Bell. In 1974, Hewish won the Nobel Prize for this discovery, along with fellow radioastronomer Martin Ryle. That Jocelyn Bell was not included has been condemned by many leading astronomers. Jocelyn Bell Burnell has gone on to a very distinguished
Ele Willoughby (@minouette.bsky.social) reply parent
communication from extraterrestrials hahaha! After she found other such sources, in different places with different frequencies, were her colleagues convinced & this lead to the development of the pulsar model. It is now known PSR B1919+21. The 1968 paper announcing this discovery in Nature
Ele Willoughby (@minouette.bsky.social) reply parent
occurring every 1.337 seconds. Hewish was initially scornful & insisted regular pulses must be noise from a human made source. He dubbed this object ‘LGM 1’ for “Little Green Men 1”, a playful joke about their uncertainty about what could emit radiation so regularly - obviously it could only be a
Ele Willoughby (@minouette.bsky.social) reply parent
when the star is pointed towards us; like the light from a lighthouse, it appears to pulse at a precise frequency. She had been working with her supervisor Hewish & others to construct a radio telescope to study quasars. She noted some “scruff” on her chart-recorder, & that pulses were regular,
Ele Willoughby (@minouette.bsky.social) reply parent
PhD scholarships for underrepresented people including women, ethnic minorities & refugee students in physics! As a grad student in ‘67 she discovered the 1st radio pulsar, a highly magnetized, rotating neutron star that emits a beam of EM radiation. This radiation can only be observed
Ele Willoughby (@minouette.bsky.social)
For day 22 of #sciArtSeptember prompt fellowship, I am sharing my portrait of #astrophysicist Jocelyn Bell Burnell, #histsci 🧪🐡🔭👩🏼🔬 who took her $3 million Breakthrough Prize in Fundamental Physics for her discovery of #pulsars & leadership in science and donated money to the Institute of Physics for
Ele Willoughby (@minouette.bsky.social) reply parent
You get so attached to your instruments, out there in the field at the mercy of the elements. It’s nerve-wracking.
SAHASA 🐙 🇪🇺 (@sculptedreef.com) reposted
Caribbean Reef Octopuses 🐙 hand sculpted from clay 🎨 #ArtYear #Art #ArtGallery #Sculpture #Octopus #MarineLife #CoralReef #ArtSale #BSNM #Invertebrates 🦑🐡
Ele Willoughby (@minouette.bsky.social) reply parent
Amazingly, despite all the boats and people on the river, we saw egrets, herons, cormorants, swans, geese, sandpipers, vultures, turtles and even deer! I gotta get my photos uploaded!
Ele Willoughby (@minouette.bsky.social)
We went to the Humber and I have never seen it so busy. Always glad to see people getting out into nature but man, do the canoe and kayak rental places need to start giving the beginners a talk about basic rules for sharing the river - especially with wildlife. Do not crowd the egrets people.
Ele Willoughby (@minouette.bsky.social) reply parent
Thanks!
Ele Willoughby (@minouette.bsky.social) reply parent
Thanks!
Ele Willoughby (@minouette.bsky.social) reply parent
Thanks very much!
Ele Willoughby (@minouette.bsky.social)
While it may be associated with jadeite & hence be carved, it’s a challenge to find sculpture that’s definitely kosmochlor so I’m giving titanite, prized for it’s beauty & a source of the pigment titanium dioxide white since ~1910, the arts vote. On the physics front it boasts trichroism. #MinCup25
Ele Willoughby (@minouette.bsky.social) reply parent
increases the number of algae incorporated into the tissue of their hosts, which aids the anemone in tissue growth and regeneration. The fish even aerate their hosts with their movements and may lure anemone pray with their bright colours. #linocut #printmaking #invertebrate #SundayFishSketch
Ele Willoughby (@minouette.bsky.social) reply parent
anemonefish. Sea anemones protect anemonefish from predators, and serve as a safe nest. The anemonefish get food from anemone leftovers and the occasional dead anemone tentacles. In return, the anemonefish defends the anemone from its predators and parasites and nitrogen excreted by the anemonefish
Ele Willoughby (@minouette.bsky.social)
Day 21 of #SciArtSeptember prompt is reef. 🧪🐡 This is a handprinted linocut of two ocean creatures with a mutualistic symbiotic relationship: anemone and anemonefish. Specifically it's a rose bubble-tip anemone (Entacmaea quadricolor) and a clownfish (in the genus Amphiprion), also known as an
Ele Willoughby (@minouette.bsky.social)
The very rare hydrocarbon mineral carparthite (exceptionally pure coronene C24H12) is fluorescent but tugtupite is called “King of Fluorescent Minerals,” plus it’s tenebrescent (changes colour in UV) & phosphorescent so gains my physics vote plus it’s also a gem on the arts front #MinCup25 #scicomm
Ele Willoughby (@minouette.bsky.social) reply parent
with aurora in the shape of its range in blue, & the word habitat in fuchsia. Thus, when I heat it above 30°C with say a hair dryer, the blue & fuchsia turn colourless & disappear. Only the map remains. I couldn’t get the video to post here but you can see it in my Etsy or on the.minouette on IG
Ele Willoughby (@minouette.bsky.social)
For the Day 20 #SciArtSeptember prompt glacial I am sharing my colour-changing thermochromic print of the polar bear and its shrinking range as the arctic warms. I printed the arctic map in regular cream coloured ink then mixed temperature sensitive pigments to print an image of a polar bear 🧵
Sarage (@sarahcpjones.bsky.social) reposted
19. Wandering. Wandering Albatross. #SciArtSeptember #SciArt
Lia Pas (@liapas.bsky.social) reposted
#SciArtSeptember Day 19: depths •A detail of some of the text on my #SciArt #embroidery of the iliac vein: deep dilation (2024).
Kelley Whitley (@kelleywelley.bsky.social) reposted
September 19: “depths” I’m finally back home after over a month scuba diving in Indonesia. Here is a digital drawing of a nautilus that I did while in transit. #sciartseptember #sciart #coralreefs #marinelife #oceanconservation.
Maija Karala (@maijakarala.bsky.social) reposted
#SciArtSeptember 19 - Depths Fintail angler is one of the nightmarish-looking fishes haunting the ocean depths. They are diverse, fascinating, and virtually unknown. This species was first observed alive in 2018. This is a mating pair: the male is the little worm-like thing hanging from her belly.
Ele Willoughby (@minouette.bsky.social)
Baryte might be useful geochronology but you can’t vote against 164,000 years of art history! From cave painting to today! Electrically conductive hematite is a pigment with a storied history in red ochre & chalk. Vote for art & human culture. Vote hematite! #MinCup25
Ele Willoughby (@minouette.bsky.social) reply parent
side, unlike either octopuses or squids. Though most closely related to octopods it is the only surviving memeber of its own order Vampyromorphida. It survives in the deep sea thanks to bioluminescent organs and its unique slow oxygen metabolism. #cephalopod #linocut #sciart #printmaking
Ele Willoughby (@minouette.bsky.social)
Day 19 #SciArtSeptember 🧪🐡prompt depths: The vampire squid (Vampyroteuthis infernalis), literally the ‘vampire squid from hell’ is a small deep sea cephalopod found throughout temperate and tropical oceans with 2 long retractile filaments, located between the first two pairs of arms on its dorsal 🧵
Ele Willoughby (@minouette.bsky.social) reply parent
Thanks!
Ele Willoughby (@minouette.bsky.social) reply parent
That’s a bummer but I hope the surgery goes well.
Liz Butler (@lizlagomorph.bsky.social) reposted
#SciArtSeptember Day 18: Cenote A Mayan tetra, from a photo by Marco Endruweit. - #FishArt #tetra #wildlife #sketchbook
Maija Karala (@maijakarala.bsky.social) reposted
#SciArtSeptember 18 - Cenote Cenotes are sinkholes with unique fish faunas, found all over the world but especially common on the Yukatán Peninsula lining the Chicxulub crater, formed by the asteroid that ended the time of the dinosaurs. Big events still impact the world after millions of years.
Saavik Ford (@saavikford.bsky.social) reposted
Hey everyone, it’s Round 2 & time to vote for #Stibnite again!! It was Cleopatra’s eyeliner (kohl), adds ✨sparkle✨ to fireworks, plays nicely with #Calcite, & otherwise looks like the Iron Throne!! Vote #MinCup25!!
Spooky Season Post Monger (@dwaynefuhlhage.bsky.social) reposted
I love them both but only one is toxic Vote #stibnite #TeamPoison #MinCup25
wyotitania (@wyotitania.bsky.social) reposted
I love both of these punk minerals, but today I have to go for #stibnite and its spiky magnificence. (Plus feeling very anti-Borg right now.) #MinCup25
J. Raasch (@jraasch.bsky.social) reposted
#MinCup25 Vote #stibnite ! “… proposition to use an abundant mineral [stibnite] directly for the production of solar cells without going through ore-dressing, energy-intensive pyrolytic conversions/chemical reactions, purification steps …” www.sciencedirect.com/science/arti...
J. Raasch (@jraasch.bsky.social) reposted
#MinCup25 So … Are you the rebellious punk goth? Or just going to accept resistance is futile and let yourself become assimilated? 😊 Vote #stibnite now.
J. Raasch (@jraasch.bsky.social) reposted
Element antimony forms during violent collisions of neutron stars! The element sulfur is formed and thrown into interstellar space by massive supernovae! Star Dust Brought together when hot, mineral-rich fluids carrying antimony and sulfur circulate through fractured rock … #stibnite #MinCup25
J. Raasch (@jraasch.bsky.social) reposted
#MinCup25 Just sayin’. pubs.rsc.org/en/content/a...
Obsidian licks rocks (@i-lick.rocks) reposted
Honestly, I'm voting stibnite for the historical interest factor. It was the main component in the iconic kohl eyeliner of ancient Egypt, and ancient Romans used it to make colorless glass! That's sick! #MinCup25
Dee Gardner (@glacierpique.bsky.social) reposted
The Sb ore #Stibnite is a critical mineral used for sparkly pyrotechnics, fire retardants, and everything in between. Sb strengthens solar panels, improves photovoltaic efficiency, and extends battery life-cycles. #MinCup25
Susie Leopold (@blastylavagrrrl.bsky.social) reposted
Stibnite! It has tons of uses, including: alloys, paint, textiles, ceramics, batteries, matches, semiconductor industry, antimonial compounds, and electronics. #MinCup25 📷 mine, Cranbrook Institute of Science
Spooky Season Post Monger (@dwaynefuhlhage.bsky.social) reposted
Gaze at the majesty of our columnar toxic friend Vote #stibnite #TeamPoison #MinCup25
Kierstin Keller (@gsstudios907.bsky.social) reposted
Sea stars feast on a tree of deep-sea coral, leaving behind a delicate golden skeleton. “The Slow Death” — 16x20” Gouache Check out the growing collection of deep-sea fine art by our team of artists @unseenocean.bsky.social! #sciart #scienceillustration #deep-sea #unseenoceancollective
Ele Willoughby (@minouette.bsky.social) reply parent
I hope things improve for you both
Ele Willoughby (@minouette.bsky.social) reply parent
Vote stibnite for millennia of use in glass! These date to the 18th dynasty of Egypt (1550-1293 BCE). Vote stibnite for 16th century painting! The art vote goes to stibnite! #MinCup25
Ele Willoughby (@minouette.bsky.social)
Enough of the “Borg crystal” taking out minerals (like calcite) inherent in centuries of art history! Vote stibnite for kohl! Vote stibnite for glassmaking! Pyrotechnics! A grey-black pigment for centuries! Stibnite wins the arts vote, hands down. #MinCup25
Ele Willoughby (@minouette.bsky.social) reply parent
In the absence of light, stygofauna lack eyes and pigmentation. Stygofauna have evolved and survived over millions of years in the ecologically important Pilbara groundwater environment. #linocut #printmaking #sciart #invertebrate #stygofauna #Neoniphargidae #amphipod #crustacean
Ele Willoughby (@minouette.bsky.social) reply parent
which is a global biodiversity hotspot for subterranean fauna including aquatic animals that live in groundwater called stygofauna like this. Stygofauna can live in subterranean caves but most commonly live in alluvial, karstic or fractured rock aquifers within pore space and fractures in the rock.
Ele Willoughby (@minouette.bsky.social) reply parent
aquatic animals who live underground, can be found. This is a hard-carved and hand-printed linocut print of a little semi-transparent, white amphipod crustacean in the Neoniphargidae group from the Pilbara. This is a large, dry, sparsely populated region in northern part of Western Australia
Ele Willoughby (@minouette.bsky.social)
Day 18 #SciArtSeptember 🧪🐡prompt cenote, or the limestone sinkholes accessible by ground water, a term originally only used for characteristic features in the Yucatán, Mexico & now applied more broadly to karst features anywhere, including in Australia, where fascinating but endangered stygofauna: 🧵
Sarah McAnulty, Ph.D. (@sarahmackattack.bsky.social) reposted
Conference organizers: If you want people who work outside of academia (or financially secure company), to give a talk at your conference bc you value their expertise, it's unreasonable to make them pay for registration. Artists/Nonprofit folks do not have the funding to pay you to share expertise.
Ele Willoughby (@minouette.bsky.social) reply parent
I can totally see how that happens. I had 10 tabs open on my browser for a couple of weeks all about the glass sponges!
Ele Willoughby (@minouette.bsky.social) reply parent
Thank you!
Ele Willoughby (@minouette.bsky.social) reply parent
They have so much personality! The rock fish looks concerned by the shrimp is playing peekaboo!
Ele Willoughby (@minouette.bsky.social) reply parent
Thank you! It’s an environment like no other.
Ele Willoughby (@minouette.bsky.social) reply parent
Yes, I am currently sold out. I will post here when I get a chance to print more!
Ele Willoughby (@minouette.bsky.social)
This round we have two pretty blue minerals which and be used as gems in pectolite and haüyne so they’re more or less tied for the art vote. I’m going to give haüyne the physics vote for fluorescence and volcanic origin. #MinCup25
Ele Willoughby (@minouette.bsky.social) reply parent
she was able to simply defy the pope & he had to retract his instruction to excommunicate a man in her community. #printmaking #botany I am currently sold out of this print I’m afraid.
Ele Willoughby (@minouette.bsky.social) reply parent
King Louis VII of France, the Holy Roman Emperor Frederic I Barbarossa, the Byzantine Empress Agnes of France, popes & others. She was invited to preach at nearby cathedrals including at Cologne, Mainz & Worms. She was so respected & renown that at age 80
Ele Willoughby (@minouette.bsky.social) reply parent
presumably to ensure that her replacement in the infirmary had all the knowledge she would need. She lived in the new monastery until her death at 81. She was a prodigious correspondent and has been called a Medieval “Dear Abby” because of her letters to such luminaries as King Henry II of England,
Ele Willoughby (@minouette.bsky.social) reply parent
in particular for the health of the men. After Jutta’s death, Hildegard was elected magistra & she lead the Disibodenberg nuns until 1148, when inspired by a vision, she moved them all to a new monastery at Rupertsberg at Bingen. She immediately began writing her medical text Causae et curae,
Ele Willoughby (@minouette.bsky.social) reply parent
teacher. She was assigned to the infirmary, where she would have been responsible for, in particular for but likely not limited to, the health of the women at the monastery & adjoining community. She would also have had access to the books & knowledge of her male counterpart, who was responsible
Ele Willoughby (@minouette.bsky.social) reply parent
recognized as the progenitor of natural history in German-speaking lands & author of medical & natural history texts. She even invented her own script & language! Born in Rhineland she entered the double-monastery at Disibodenberg at 14. Her respected magistra Jutta (1092-1136) became her mentor &
Ele Willoughby (@minouette.bsky.social) reply parent
theories but the nature of institutional #medicine & folk healing of her day (which she deftly combined). While she might be best remembered today as a composer of 70 Gregorian chants & musical dramas (& as a Catholic saint, theologian, her 3 books on her visions & 2 biographies) she is also
Ele Willoughby (@minouette.bsky.social)
Today is the feast day of Hildegard von Bingen (1098-1179), here surrounded by plants & a mineral she touted as medical treatments, her invented alphabet & model of the universe. One of my most popular prints this year! 🧪🐡👩🏼🔬 #histsci #histmed Her writings preserve not only her own knowledge & 🧵
Ele Willoughby (@minouette.bsky.social) reply parent
The edition is limited to 8 prints. #linocut #sciart #printmaking (Thanks to @cageyratfish.bsky.social for the suggestion!)
Ele Willoughby (@minouette.bsky.social) reply parent
bottom trawling. Ocean warming & acidification are also damaging to these unique, vital ecosystems & natural wonders. My 11" x 14" limited edition linocut print is made in watercolour paper & illustrates different glass sponges and a rock fish at the seafloor.
Ele Willoughby (@minouette.bsky.social) reply parent
habitat for several species like spot prawns, halibut, squat lobsters & the rockfish in my print, store carbon & fertilize the ocean. These reefs in Canadian waters are now in marine protected areas as they can be destroyed, literally shattered, by pawn & crab traps, fishing lines, anchors and
Ele Willoughby (@minouette.bsky.social) reply parent
years ago. Then in 1987, scientists discovered 9,000 year glass sponge reefs or bioherms offshore northern British Columbia. All known glass sponge reefs today are found offshore BC, & its neighbours Alaska & Washington. These important and beautiful biomes filter bacteria out of water, provide
Ele Willoughby (@minouette.bsky.social)
Day 17 #SciArtSeptember prompt is trawl. 🧪🐡 Glass sponges are fragile, brittle, living animals with skeletons made of silica, the same material we use to make glass. Reefs, widespread during the age of dinosaurs, are now quite rare, & in fact, were long believed to have gone extinct 40 million 🧵
Carter's Dad (@johnmckendry.bsky.social) reposted
I'm not going to go through the archives to check, but I don't think I've seen a MinCup contest decided by a single vote before. #MinCup25 is full of surprises. Also if you go to the Results page and scroll all the way down to the results of the early voting on who will be the final champion 1/2
Dave Itzkoff (@ditzkoff.bsky.social) reposted
Robert Redford playing a gentle incarnation of death, coming for a frightened old woman in The Twilight Zone episode "Nothing in the Dark" (1962). An extraordinary performance then, terribly bittersweet today
Elysia Macht (@elysiamacht.bsky.social) reposted
Mannardite inside quartz, with celsian. "Black phantoms". Mysterious, hazy, and people mistaking it for ankangite. #Mannardite is so black-metal-goth-vote that Ankangite got discredited. Gone. Poof. Only M. remains. 🤘😎 ALTs relevant to contain the dark universes from spreading! ⚫🌌💥😱 #MinCup25
Kari Dru (@karidru.bsky.social) reposted
You gotta love something called paddlewheelite, and also you gotta love when radioactive stuff is ACTUALLY luminous green, but I went with mannardite for being so shiny, black, and gothy. And for making phantoms in quartz cuz I love that.
lakeofdanae.bsky.social (@lakeofdanae.bsky.social) reposted
You had me at "added to steel to increase strength-to-weight ratios, including in the manufacture of axles" but that image looks like the b+w cover photo in an essay about the hidden dangers of lipstick. Mannardite!
Fen, moss goblin (@fluidfyre.bsky.social) reposted
'Front Porch Sunset', 2022, acrylic paint. Part of a series of small beauties, focusing on finding beauty close to home.
Ele Willoughby (@minouette.bsky.social) reply parent
I thought so too!
Chris Bennett (@chrisbennettedu.bsky.social) reposted
A very happy Pythagorean Triple Square Day to all www.npr.org/2025/09/16/n...
Ele Willoughby (@minouette.bsky.social) reply parent
Thank you! I can see how that could be. The specific vessel was modelled on a photo in one of Franklin’s published papers.
Ele Willoughby (@minouette.bsky.social) reply parent
young to remember if Mannard was one of the geologists I met but he nonetheless impacted my family’s lives, and I am voting for Mannardite.
Ele Willoughby (@minouette.bsky.social) reply parent
metals we had won for exploits like the 3-legged race weren’t in fact made of gold, silver & bronze. Besides giving me the impression that geologists were spoilsports, I gleaned that you could learn enough about materials to tell what things were made of just by looking, & was intrigued. I was too
Ele Willoughby (@minouette.bsky.social) reply parent
Mannard was honoured for his long-standing interest in minerals and mineral deposits of BC. The Texasgulf (then Kidd Creek) company picnics when I was a small child were certainly the place I first met any scientists. I distinctly remember the geologists sitting around telling the kids why the
Ele Willoughby (@minouette.bsky.social)
Some will favour the odd metaphor in the name paddlewheelite, but for sentimental reasons I vote mannardite which honours Dr. George William Mannard (1932-1982), Canadian exploration geologist & mining executive, president of Texasgulf Canada then Kidd Creek Mines where my Dad worked 🧵 #MinCup25 🧵
Ele Willoughby (@minouette.bsky.social) reply parent
Seriously, can you imagine playing soccer and having to interrupt the game because suddenly a small plane crash landed on the parking lot fence? Amazingly no one was hurt.
Ele Willoughby (@minouette.bsky.social) reply parent
She was inducted into the Canadian Science & Engineering Hall of Fame in 2012. #linocut #printmaking #WomenInSTEM #histsci
Ele Willoughby (@minouette.bsky.social) reply parent
comparably qualified men; U of T settled. She received the Order of Canada, GG’s Award in Commemoration of the Persons Case for promoting the equality of girls & women in Canada & the Pearson Medal of Peace for her work in advancing human rights.
Ele Willoughby (@minouette.bsky.social) reply parent
disarm. She fought to allow conscientious objectors to redirect part of their income taxes from military to peaceful purposes (Supreme Court declined to hear the case). She joined a class action law suit against U of T claiming it had been unjustly enriched by paying women faculty less than
Ele Willoughby (@minouette.bsky.social) reply parent
her ideas about complexities of modern technological society. As a member of the Voice of Women, she tried to persuade Parliament to disengage Canada from supplying weapons to US during the Vietnam war, to shift funding from weapons research to preventative medicine, to withdraw from NATO &
Ele Willoughby (@minouette.bsky.social) reply parent
& artisans. In the 60s she advocated for atmospheric nuclear test ban treaty, citing her studies of Sr-90 radioactive fallout found in kids’ teeth. During the 70s she was part of Science Council of Canada investigation of how we could better conserve resources & protect nature. She began to develop
Ele Willoughby (@minouette.bsky.social) reply parent
archeometry (use of modern materials analysis in archeology) dating metal & ceramic artifacts. The ancient Chinese Ding vessel represents both her metallurgical research & archeometry & her writing about “prescriptive” versus “holistic” tech used in mass production versus tech used by craft workers
Ele Willoughby (@minouette.bsky.social) reply parent
from atmospheric testing of nuclear weapons or her work on political & societal impacts of support of tech & its use. Born in Munich, she survived Nazi internment. After her PhD in #physics from TU (Berlin, ‘48) she immigrated to Canada, did a post-doc & joined faculty at U of T. She pioneered
Ele Willoughby (@minouette.bsky.social)
Happy birthday Canadian scientist/writer Ursula Franklin (1921 – 2016), 🧪🐡👩🏼🔬 #histsci thinker on role of tech in society, advocate for women in STEM, peace & social justice. Her research interests were guided by her principles, including gathering evidence of the harmful health effects of radiation 🧵
Ele Willoughby (@minouette.bsky.social)
Best delay of game reason ever
Ele Willoughby (@minouette.bsky.social) reply parent
Ewing & Heezen announced their findings in 1956. In 1957 Tharp & Heezen published their N Atlantic physiographic map. #sciart #printmaking #womenInSTEM #linocut
Ele Willoughby (@minouette.bsky.social) reply parent
was convinced. They had discovered a worldwide mid-ocean ridge system, 10,000s of km long. Tharp was able to mine existing data to show the Mid-Atlantic Ridge extended to S Atlantic & found similar features in other oceans which lined up with epicentres.
Ele Willoughby (@minouette.bsky.social) reply parent
the other on a light table the earthquakes formed near continous lines along the Mid-Atlantic ridge right where Tharp had indicated a rift valley. Using earthquake data to extrapolate & plot the rift position they found that the rift extended landward into the Rift Valley of East Africa. Heezen
Ele Willoughby (@minouette.bsky.social) reply parent
which really gave a sense of the geology, & were not US Navy classified, so they could publish. A 2nd project involved plotting earthquakes, & Heezen insisted they work at same scale. Heezen noticed that ocean earthquake epicentre data also formed long lines - in fact, when one map was placed above