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These hubs use a pair of bearings I have had laying around for years, they are auto centering and grip the filament spool really well.
First try. 60W bulbs more successful than 100W bulbs.
A red filter in front of the lens gives the colour.
Active region on the edge of the Sun with a wood of spicules
Take a look also at my astronomy video channel.
Two purple-gelled flashes (580EX (thanks, Alan!) and 580EXII) @ 1/16 to left and right with baffles to keep the background dark, triggered via ST-E2.
The significant change compared to previous efforts was dumping the softbox and using the flash direct, which allows winding back the flash power a bit.
Since Dean and Jean recently posted filamentatous flowers, I thought I would jump on the stamenwagon and post one, too. This is a Golden Wings rose from Schoepfle Garden.
This is what a piece of filament should look like...clean, evenly spaced indentations. If your filament looks chewed up there is a problem with your plastruder.
This small accessory can protect your FFF 3D printer filament from two common issues - cleaning and lubrication.
A sponge wipes the filament clean from any dust particles and prevents them clogging the extruder.
By dropping a few drops of common mineral oil on the sponge the filament passing through gets lubricated thus relieving the extruder motor from strain.
Lubrication is specially useful if the filament needs to travel through long tubes before it enters the extruder.
INSTRUCTIONS
Download the STL-file from www.thingiverse.com/thing:492067
3D-print the provided STL file and insert a small piece sponge into the filament filter.
Poke a hole into the sponge and make sure the filament passes through and comes out at the other end.
Soak the sponge with a few drops of mineral oil (as for sewing machines, door hinges or bicycle chains).
Place the filament filter somewhere in between the spool and the extruder. If you have a plastic tube which guides the filament to extruder (such as a bowden solution) make sure you place the filter before the filament enters the tube.
See video for more information
By Creative Tools
about 4mm across!!
Extremely happy :D
Was with my friend Mark in the Dept of Physics common room, (univ. of strathclyde, glasgow!) He had a little pen torch that he bought at the bookshop; despite being rather disappointed when it turned out to be a filament rather than an LED, it made for a great photo op :P
Split Film Filament; Second-year MFA exhibition; Thursday, October 10
By installing your artwork in the John Labatt Visual Arts Centre, you agree to have it photographed and release all rights in and consent to the use of this photo for all legal purposes. Would you like to see your work properly captioned? Contact vrlibrary@uwo.ca
A large filament on the sun and a couple of prominences on the limb.
8th December 2012
Solarscope SV60 and DMK21 camera
Gouache, yarn, tights, thread, wool, cotton. 59.4cm x 84.1cm.
My aim was to create circular shapes out of manipulated linear fibres. I investigated dipping fibres in wax, tearing, combining and wrapping fibres to investigate different qualities before wrapping them into circular shapes. I used these shapes to create design ideas on the body and also on the face. The resulting effects reminded me of black holes and whirlpools. The colour schemes created are derived from the pieces of fabric I have utilised. I then decided to investigate this wrapping in 3D and experimented with tights on a model’s head. The effect was quite dark and reminiscent of bandaging.
Filaments of Active Galaxy NGC 1275
What keeps these filaments attached to this galaxy? The filaments persist in NGC 1275 even though the turmoil of galactic collisions should destroy them. First, active galaxy NGC 1275 is the central, dominant member of the large and relatively nearby Perseus Cluster of Galaxies. Wild-looking at visible wavelengths, the active galaxy is also a prodigious source of x-rays and radio emission. NGC 1275 accretes matter as entire galaxies fall into it, ultimately feeding a supermassive black hole at the galaxy's core. This composite image, recreated from archival Hubble Space Telescope data, highlights the resulting galactic debris and filaments of glowing gas, some up to 20,000 light-years long. Observations indicate that the structures, pushed out from the galaxy's center by the black hole's activity, are held together by magnetic fields. Also known as Perseus A, NGC 1275 spans over 100,000 light years and lies about 230 million light years away.
Image Credit: Hubble Legacy Archive, ESA, NASA
Processing & Copyright: Domingo Pestana