View allAll Photos Tagged Filaments
A noiseless, patient spider
I mark’d, where, on a little promontory, it stood, isolated;
Mark’d how, to explore the vacant, vast surrounding,
It launch’d forth filament, filament, filament, out of itself;
Ever unreeling them—ever tirelessly speeding them.
And you, O my Soul, where you stand,
Surrounded, surrounded, in measureless oceans of space,
Ceaselessly musing, venturing, throwing,—seeking the spheres, to connect them;
Till the bridge you will need, be form’d—till the ductile anchor hold;
Till the gossamer thread you fling, catch somewhere, O my Soul.
~ Walt Whitman
Hydrogen-alpha emissions were rich in the area. Oblique straight fine dark filaments looked to be connecting two faint hydrogen-alpha emission areas near the center of the frame.
Equipment: Sigma 28mmF1.4 "Art," Dual Narrowband Filter IDAS NB12, and EOS R6-SP5, modified by Seo San on ZWO AM5 Equatorial Mount, autoguided with Fujinon 1:2.8/75mm C-Mount Lens, Pentax x2 Extender, ZWO ASI 120MM-mini, and PHD2 Guiding
Exposure: 6 times x 1,800 seconds, 3 x 240 sec, and 5 x 60 seconds at ISO 6,400 and f/3.5
site: 2,434m above sea level at lat. 24 39 52 south and long. 70 16 11 west near Cerro Armazones in Sierra Vicuña Mackenna in Coast Range of Chile
Ambient temperature was 11 degrees Celsius or 52 degrees Fahrenheit. Wind was mild, and guide error RMS was 0.73". Sky was dark, and SQML was 21.78 at the night.
3D printing has broken free of its novelty nature and is becoming the tool of choice to replace many traditionally complex and labour intensive tasks, thanks in no small part to the capabilities of the various materials now being commonly used.
Koenigsegg are currently using 3D printing technology to produce a variable speed turbo charger in stainless steel and currently use these in their production super-cars. These turbos proved difficult to cast using traditional methods, but by utilising an additive manufacturing process, these units are now printed with the internal parts completed within the unit at time of print.
NASA have successfully test fired a new 3D printed rocket-engine fuel injector. The injector replaced an earlier unit comprised of 115 different parts. The replacement 3D printed unit has 2 parts and is had only two parts and represents a simplified design which was not available using traditional manufacturing techniques.
Anecdotally these examples show how leaders in their respective fields are benefiting from the adoption of additive manufacturing techniques. Laser based 3D printing systems are now capable of working with various metals at commercial levels, including titanium, nickel, stainless steel, and aluminium to name but a few. Many of these metals suffer little in the way of tensile or yield strengths in comparison to the annealed counterparts.
When added to the high accuracy nylon available from laser based systems, and the plethora or materials available for use in FDM printing, some customers can find themselves facing a wider choice of materials than they may have expected. Highlights of FDM materials include compositions using carbon-fibre, titanium, cobalt, bronze and wood, as well as more traditional materials such as flexible rubber, low cost PLA and even some fully recycled filaments.
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The long, dark solar filament that had been visible for many days finally lifted off and broke away into space (Sept. 2, 2014). Filaments are elongated clouds of plasma tethered above the Sun's surface by powerful magnetic forces. Filaments are notoriously unstable. They appear darker when viewed in extreme ultraviolet light because they are somewhat cooler than the underlying material. The video covers about 14 hours of activity. The still was taken about 14:00 UT. Credit: Solar Dynamics Observatory/NASA.
I was going to clone out the cobweb/spider's web silk attached to one of the filaments, but decided to leave it.
21 décembre 2018 je flâne dans les ruelles de Sanary sur mer (83_Fr) , j'observe une vitrine qui expose des ampoules dont une qui m’attirera particulièrement l'attention ..
Some of my robots went on a rare outing this weekend to guest/exhibit at Barley (Pendleside) Lancashire May Bank Holiday model engineering show.
This B9 is a vintage Masudaya 1:5 scale body shell c1986. An entire pack of cotton buds with half a tin of cellulose thinners saw the original brushed grey paint stripped off, followed by a full respray.
He now has an Arduino UNO controlling his chest rotation servo and base drive, and Tenacontrol voice and lights with additional transistors driving filament amber grain of rice bulbs in the finger lights, along with separate square red, green & yellow LEDs in the chest plate.
Hear him - www.flickr.com/photos/wcrpaul/41240394244/
Control is via an infra-red receiver in place of his soil sampler. He has dual onboard 6 volt & 9 volt power from 2.5 AH NiMH battery arrays.
This image shows Rho Ophiuchi, a vast stellar nursery where new stars take shape from billowing clouds of gas, as viewed by ESA’s Herschel observatory. Located about 440 light-years from us, in the constellation Ophiuchus, the Serpent Bearer, Rho Ophiuchi is one of the nearest star-forming regions to Earth.
Some of these clouds appear dark when observed at optical and near-infrared wavelengths owing to the presence of dust, a minor but crucial component of the interstellar medium that pervades our Galaxy. However, they appeared anything but dark to the infrared eye of Herschel.
Observing the sky at far-infrared and submillimetre wavelengths from 2009 to 2013, Herschel could catch the faint glow of dust grains interspersed in these clouds. Astronomers can use this glow to trace the otherwise dark gas where star formation unfolds.
Herschel’s view reveals a tangled network of filaments, weaving their way from the darker, less dense regions on the left of the image towards the brighter, denser parts of the cloud, on the right. The bright clumps embedded in the cloud are the seeds of future stars and planets.
Filaments like these were uncovered by Herschel throughout the Galaxy, indicating that these structures play a fundamental role in the processes that lead to the birth of stars.
This three-colour image combines Herschel observations at 70 microns (blue), 160 microns (green) and 250 microns (red), and spans 7.9° by 4.6°; north is up and east to the left.
Full story: How Herschel unlocked the secrets of star formation
Credit: ESA/Herschel/NASA/JPL-Caltech; acknowledgement: R. Hurt (JPL-Caltech), CC BY-SA 3.0 IGO
Flowers...
They are fleeting.
They are fragile.
They require
little water.
They’ll surprise you.
They’ll remind you
that they aren’t
and they are you.
- Wendy Videlock
I was taking Remy for a walk and of course scanning the leaves for caterpillars. I spotted a tiny bit of "debris" on a maple leaf. Of course I have to check out anything that looks out of place and sure enough it was a tiny instar of a "Nematocampa resistaria" Horned Spanworm! One of the Filament Bearers they are an amazing and beautiful caterpillar! Ellicott City, Howard County, MD
Parcours artistique contemporain, novateur et poétique sur un sentier de randonnée « la cascade de Razis » qui nous invitent à porter un autre regard sur un paysage pourtant familier.
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O contraste entre a agressividade do nome e a delicadeza visual da planta oferece uma metáfora poderosa.
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Nesta macrofotografia, Mário Silva explora a geometria efémera da natureza.
A imagem foca-se no "papo-de-anjo" (a infrutescência) de um dente-de-leão, destacando-se contra um fundo densamente desfocado (bokeh) em tons de terra, ocre e verde profundo.
O Detalhe: A nitidez revela a estrutura complexa dos aquénios, onde cada pequena semente se prende ao seu "paraquedas" de filamentos brancos.
A Cor: Há um jogo de contrastes entre o branco etéreo da planta e os tons quentes e saturados do meio envolvente, conferindo à imagem uma aura quase pictórica.
A Perspetiva: O ângulo sublinha a verticalidade da haste avermelhada, posicionando a planta como uma estrutura arquitetónica frágil, mas imponente no seu microcosmos.
Dente-de-leão: Nome Feroz numa Planta tão Frágil
O Paradoxo da Fraqueza e da Robustez
O nome "Dente-de-leão" (do francês dent-de-lion) evoca garras, rugidos e a força bruta do rei da selva.
No entanto, ao olharmos para a obra de Mário Silva, somos confrontados com o oposto: uma esfera de seda que um sopro descuidado pode desintegrar.
É neste contraste que reside a verdadeira essência da Taraxacum.
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A Fraqueza Aparente
A fragilidade desta planta é a sua faceta mais poética.
O dente-de-leão representa o efémero.
Quando atinge o estado de "globo branco", a sua existência é uma contagem decrescente; cada filamento é uma promessa de partida.
É a imagem da vulnerabilidade que não oferece resistência ao vento, aceitando a dispersão como o seu destino inevitável.
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A Robustez Oculta
Contudo, engana-se quem vê no dente-de-leão apenas uma flor fútil.
A sua robustez é estratégica e silenciosa:
A Raiz: Possui uma raiz profunda e persistente que sobrevive a invernos rigorosos e a solos compactados.
A Resiliência: É das primeiras plantas a florir na primavera, crescendo muitas vezes por entre as fendas do cimento, provando que a vida encontra sempre um caminho.
A Dispersão: Aquela que parece ser a sua maior fraqueza — a facilidade com que se desfaz — é, na verdade, a sua maior força.
Ao "quebrar-se", a planta espalha centenas de sementes, garantindo a continuidade da espécie a quilómetros de distância.
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Uma Lição de Natureza
O dente-de-leão ensina-nos que ser forte não significa ser rÃgido.
A sua robustez não vem da dureza dos seus tecidos, mas da sua capacidade de se adaptar e de se soltar no momento certo.
O nome "feroz" faz jus não à sua aparência, mas à sua vontade indomável de sobreviver e de renascer em qualquer lugar onde o vento a leve.
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Texto & Fotografia: ©MárioSilva
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