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Description (1950) This 1950s photograph shows the Douglas D-558-2 and the North American F-86 Sabre chase aircraft in-flight. Both aircraft display early examples of sweptwing airfoils. The Douglas D-558-2 "Skyrockets" were among the early transonic research airplanes like the X-1, X-4, X-5, and X-92A. Three of the single-seat, swept-wing aircraft flew from 1948 to 1956 in a joint program involving the National Advisory Committee for Aeronautics (NACA), with its flight research done at the NACA's Muroc Flight Test Unit in Calif., redesignated in 1949 the High-Speed Flight Research Station (HSFRS); the Navy-Marine Corps; and the Douglas Aircraft Co. The HSFRS became the High-Speed Flight Station in 1954 and is now known as the NASA Dryden Flight Research Center. The Skyrocket made aviation history when it became the first airplane to fly twice the speed of sound. The 2 in the aircraft's designation referred to the fact that the Skyrocket was the phase-two version of what had originally been conceived as a three-phase program, with the phase-one aircraft having straight wings. Douglas pilot John F. Martin made the first flight at Muroc Army Airfield (later renamed Edwards Air Force Base) in Calif. on February 4, 1948. The goals of the program were to investigate the characteristics of swept-wing aircraft at transonic and supersonic speeds with particular attention to pitch-up (uncommanded rotation of the nose of the airplane upwards)--a problem prevalent in high-speed service aircraft of that era, particularly at low speeds during take-off and landing and in tight turns.
Credit: NASA
Image Number: E-3996
Date: 1950s
Description 📄:
A lot of snow covers the mountains of the Swiss Alps, snow that allows most of the ski resorts to open their lifts. One famous ski resort is Andermatt-Sedrun-Disentis, which attracts skiers from all over the world with its approximately 185 km of ski slopes. The ski area is very large, but all the lifts are interconnected with several slopes of varying difficulty. Only between Sedrun and Dieni are there no slopes connecting the Milez-Flyer ski lifts with the Strem platter or the Cuolm da Vi cable car. The only option for travelling between Dieni and Sedrun is therefore by train, thanks to the R45 Andermatt-Disentis/Mustér line, which, however, can only be taken once an hour. For this reason, the Matterhorn Gotthard Bahn (MGB), which operates the line between Andermatt and Disentis/Mustér, has organised a special shuttle service between Dieni and Sedrun, also known as the ‘Sportzug’ (Sports Train). It operates every half-hour in both directions, and consists of a composition of two carriages plus a Bt-type pilot carriage, all pulled by the Deh 4/4 locomotive number 23. The locomotive is one of four in the MGB fleet, numbers 21 to 24. They were built by the cooperation of SLM (today Stadler) for the bogies, SIG (at the time Schweizerische Waggonfabrik) for the body and SAAS for the electrical equipment. The composition runs on MGB routes more and more rarely, as it is being replaced by the new Orions, which by around 2030 should replace all old compositions that are not yet compliant with European accessibility laws.
Information ℹ️:
Date 📅: 07.01.2025, 11:26
Place 📍: Sedrun
Train 🚄: Deh 4/4 23
Train Company 🏢: MGB
Line 🔢: R46 429 "Sportzug"
Start 🚩: Sedrun
Destination 🏁: Dieni
©️The photo was taken and edited by Nathan Urriani. Use of the image by others is only allowed with my permission.
Description
Even though I thought I finished the Piers of LA series already I found this would be a nice b+w version as well. I give it a try. Let me know if you like it.
Technique: f/22 t: 30sec. ISO:200 focal length: 18mm
Postprocessing:
Lightroom LR 3.2, Phostoshop CS4 and NIK Silver Effex Pro.
If you are interested in viewing this picture on black, hit the letter "L" on your keyboard.
Description from Wikipedia: USS Salem (CA-139) is one of three Des Moines-class heavy cruisers completed for the United States Navy shortly after World War II. Commissioned in 1949, she was the world's last heavy cruiser to enter service and the only one still in existence. She was decommissioned in 1959, after serving in the Atlantic and Mediterranean. She is open to the public as a museum ship in Quincy, Massachusetts (photos taken a few days ago)
Description (1955) The Bell Aircraft Corporation X-1E airplane being loaded under the mothership, Boeing B-29. The X planes had originally been lowered into a loading pit and the launch aircraft towed over the pit, where the rocket plane was hoisted by belly straps into the bomb bay. By the early 1950's a hydraulic lift had been installed on the ramp at the NACA High-Speed Flight Station to elevate the launch aircraft and then lower it over the rocket plane for mating.
There were four versions of the Bell X-1 rocket-powered research aircraft that flew at the NACA High-Speed Flight Research Station, Edwards, California. The bullet-shaped X-1 aircraft were built by Bell Aircraft Corporation, Buffalo, N.Y. for the U.S. Army Air Forces (after 1947, U.S. Air Force) and the National Advisory Committee for Aeronautics (NACA). The X-1 Program was originally designated the XS-1 for EXperimental Supersonic. The X-1's mission was to investigate the transonic speed range (speeds from just below to just above the speed of sound) and, if possible, to break the "sound barrier." Three different X-1s were built and designated: X-1-1, X-1-2 (later modified to become the X-1E), and X-1-3. The basic X-1 aircraft were flown by a large number of different pilots from 1946 to 1951. The X-1 Program not only proved that humans could go beyond the speed of sound, it reinforced the understanding that technological barriers could be overcome. The X-1s pioneered many structural and aerodynamic advances including extremely thin, yet extremely strong wing sections; supersonic fuselage configurations; control system requirements; powerplant compatibility; and cockpit environments.
The X-1 aircraft were the first transonic-capable aircraft to use an all-moving stabilizer. The flights of the X-1s opened up a new era in aviation. The first X-1 was air-launched unpowered from a Boeing B-29 Superfortress on January 25, 1946. Powered flights began in December 1946. On October 14, 1947, the X-1-1, piloted by Air Force Captain Charles "Chuck" Yeager, became the first aircraft to exceed the speed of sound, reaching about 700 miles per hour (Mach 1.06) and an altitude of 43,000 feet. The number 2 X-1 was modified and redesignated the X-1E. The modifications included adding a conventional canopy, an ejection seat, a low-pressure fuel system of increased capacity, and a thinner high-speed wing. The X-1E was used to obtain in-flight data at twice the speed of sound, with particular emphasis placed on investigating the improvements achieved with the high-speed wing. These wings, made by Stanley Aircraft, were only 3-3/8-inches thick at the root and had 343 gauges installed in them to measure structural loads and aerodynamic heating. The X-1E used its rocket engine to power it up to a speed of 1,471 miles per hour (Mach 2.24) and to an altitude of 73,000 feet. Like the X-1 it was air-launched. The X-1 aircraft were almost 31 feet long and had a wingspan of 28 feet. The X-1 was built of conventional aluminum
stressed-skin construction to extremely high structural standards. The X-1E was also 31 feet long but had a wingspan of only 22 feet, 10 inches. It was powered by a Reaction Motors, Inc., XLR-8-RM-5, four-chamber rocket engine. As did all X-1 rocket engines, the LR-8-RM-5 engine did not have throttle capability, but instead, depended on ignition of any one chamber or group of chambers to vary speed.
Credit: NASA
Image Number: E55-02072
Date: 1955
An alt shot I liked..."I would help, BUT MY ARMS ARE GUNS!"
See the description in the main shot of this to learn more :P
Description: Jeannine Smith Clark (b. 1928), appointed to the Board of Regents, August 1983, Smithsonian Volunteer (1968-1983), docent, National Museum of Natural History ( - 1978), Smithsonian Institution Women's Committee (1972-), Chair, Smithsonian Institution Women's Committee (1979, 1980). Featured in Smithsonian newsletter, TORCH.
Photographer: Richard K. Hofmeister
Date: October 1983
Image ID: SIA80-16186-19
Collection: Historic Images of the Smithsonian
Link to Original: siarchives.si.edu/collections/siris_sic_8825
Repository: Smithsonian Institution Archives
DESCRIPTION
Philly Cheese Steak heads south with the addition of taco seasonings.
INGREDIENTS
1 1/2 lb beef flank steak
1 package (1 oz) Old El Paso® taco seasoning mix
6 tablespoons LAND O LAKES® Unsalted or Salted Butter, melted
1 clove garlic, finely chopped
1 1/2 teaspoons fresh lime juice
1/4 cup water
2 cans (11 oz each) Pillsbury® refrigerated crusty French loaf
1/2 teaspoon garlic powder
2 tablespoons CRISCO® Pure Canola Oil
1 medium onion, thinly sliced
1 medium green bell pepper, thinly sliced
1 medium red bell pepper, thinly sliced
1/4 cup finely chopped fresh cilantro, if desired
1 jar (8 oz) cheese dip
1 can (4.5 oz) Old El Paso® chopped green chiles
DIRECTIONS
1.Heat oven to 350°F. Spray large cookie sheet with CRISCO® Original No-Stick Cooking Spray. Cut beef steak against the grain into thin strips; set aside. Reserve 2 teaspoons of the taco seasoning mix.
2.In large bowl, mix 3 tablespoons of the butter, remaining taco seasoning mix, garlic, lime juice and water. Add beef; toss to coat. Refrigerate beef mixture while baking bread.
3.Place bread loaves, at least 2 inches apart, on cookie sheet. With sharp knife, make slits on top of each loaf. In small bowl, stir remaining 3 tablespoons butter, reserved 2 teaspoons taco seasoning mix and the garlic powder until well mixed. Brush seasoning mixture on tops and sides of each loaf. Bake 26 to 30 minutes or until golden brown. Cool 15 minutes.
4.Meanwhile, in 12-inch nonstick skillet, heat 1 tablespoon of the oil over medium-high heat. Add onion and bell peppers; cook 6 to 8 minutes, stirring frequently, until vegetables are tender. Remove vegetables from skillet; set aside.
5.In same skillet, heat remaining 1 tablespoon oil over high heat. Add half of the beef; cook 8 to 10 minutes, stirring frequently, until tender and browned. Transfer cooked beef to a plate; cook remaining half of beef. Return beef and vegetables to skillet. Stir in cilantro. Keep warm.
6.In small microwavable bowl, stir cheese dip and chiles. Cover with microwavable plastic wrap, folding back one edge 1/4 inch to vent steam. Microwave on High 3 minutes, stirring after 1 minute 30 seconds, until warm.
7.Cut each bread loaf in half crosswise, then cut each half horizontally 3/4 of the way through. To serve, fill each roll with 1/4 of the beef mixture; drizzle with cheese sauce. Serve immediately.
High Altitude (3500-6500 ft): No change.
Comments are highly appreciated.
Description: 29th Jan 2013. View of rocky shores of Tanjung Jara in Terengganu during breaks of the monsoon season.
Location: Tanjung Jara, Terengganu, Malaysia
Exif data:
Camera: Canon EOS 5D Mark ii
Lens: EF 17-40mm f4 L USM
Filter: Lee Filters (0.9 hard) + Lee Filters (1.2 hard)
Exposure: 1.6 seconds
Aperture: f/8
Focal Length: 17 mm
ISO Speed: 100
-None of my photos are HDR, DRI or blended images.
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Description:
Ecology: Mycorrhizal with hardwoods or conifers; growing alone gregariously; summer and fall; widely distributed in Europa and North America
Cap: 2-17 cm wide; broadly convex, becoming flat with a central depression; the margin inrolled at first, eventually wavy and reminiscent of Cantharellus cibarius; dry; fairly smooth; dull orange-tan or paler.
Undersurface: Running down the stem; covered with spines or "teeth" that are 2-7 mm long; pale or dull orange; bruising dark orange or yellowish brown.
Stem: 3-10 cm long; 1-3 cm thick; sometimes somewhat off-center; dry; smooth; whitish or colored like the cap; bruising brownish.
Flesh: Whitish; often discoloring yellowish when exposed or bruised; sometimes with zones of color; brittle.
Taste: Mild or peppery; odor mild.
Spore Print: White.
Description: View of Gallipoli from the sea
Location: Gallipoli Peninsula, Ottoman Empire
Date: 1915
Our catalogue reference: WO 317/12a
This image is part of the War Office photographic collection held at The National Archives. Feel free to share it within the spirit of the Commons.
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Description : BMW 2 Series Coupe with M Performance Parts 2014 photo 113 is Best HD Cars Wallpaper, If you like this wallpaper, You can download This Car Wallpaper for your computer or laptop by clicking resolution image in Download by size: Mobile, Tablet and Desktop (Original size). if you h...
hdcarswallpaper.net/bmw-2-series-coupe-with-m-performance...
Shine Sprite
Description: Eulepidotis persimilis is a moth in the order Lepidoptera, subdivision Bombycina, superfamily Noctuoidea, family Erebidae, subfamily Eulepidotinae and tribe Eulepidotini.
The moth's patterning gives the impression that the head is at the rear end. The moth is mostly white with a downcurved head. The thorax is also white. The forewings' dorsal view contain two brownish-golden bands; one about halfway through them and another one below the first. Below the second band, a brownish-golden patch can be seen with a black irregular stripe near the outer margin at the tip of the forewings and another just below it at the submarginal area. The hindwings are mostly white and slowly changes into a light golden hue, culminating in a brownish-golden spot at the tip of them. This spot contains a black spot that is reminiscent of an eye. Two small filaments can be seen that resemble antennae. These two traits along with the gradual yellow above the brownish-golden spot that resembles a pronotum may fool predators into thinking that those spots are compound eyes and that the filaments are antennae, indicating erroneously where the head is located and attacking it instead of the true head, possibly resulting in minimum damage to the moth. The downcurved head may also be part of this mechanism by hiding more vital parts. The bold brownish-golden bands may function as "disruptive patterning", breaking up natural lines and cause the various parts of an organism to more or less blend with a background's random clutter, depending where the moth is.
www.backyardnature.net/n/10/100124.htm
A synonym includes: Palindia persimilis (Guenée, 1852)
It measured approximately 1,7cm in length and 2,1cm in width as if seen in the picture.
In nature, they are mostly seen in forests, shrublands and weedy places; this one was found on the 16th floor of a flat in an urban habitat.
Eulepidotis once belonged to the Calpinae but were transferred into Eulepitodinae. "DNA results by Zahiri et al., 2010, suggest that the Eulepidotini and Panopodini are not clades within Erebidae, so the Eulepidotini was raised to subfamily status and includes the tribes Eulepidotini and Panopodini. The female genitalia have the ostial opening in the membrane between the seventh and eighth abdominal sternite, not displaced anteriorly into the seventh sternite as it is in many tribes of the Erebidae, such as Euclidiini, Phaphilini and Ophiusini. We place it on the list after these tribes because males of Eulepidotini and Panopodini have the same form of long mid-tibial hair pencils arising from a groove covered with flat translucent white scales"; differently structured, Eulepidotis have hair pencil on the hind tibia.
citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.886.360...
These are some of the host plants of three different species within Eulepidotis: direct.biostor.org/reference/56976
The plants are, for E. merricki, Melicoccus bijugatus (Jacq.) (Sapindaceae) ("Spanish lime"); for E. juncida, Inga fagifolia ((L.) Wildd.) (Leguminosae (Mimosoideae); some place them into Fabaceae) ("ingá-mirim" - PTBR); for E. superior, Quararibea asterolepis (Pitt.) (Malvaceae: Bombacoideae) ("cinco-dedos"... - PTBR).
More informations on the species above with larval morphological details can also be found in the same link.
Apparently, they can be found in Brazil, Costa Rica and Honduras.
I do not know any further info on the species persimilis as it is currently undergoing revision according to this study, in which they mention that a full report of the occurence of these two species, Eulepidotis dominicata and Eulepidotis persimilis, are being prepared by Ed Knudson and associates: www.ncbi.nlm.nih.gov/pmc/articles/PMC3234417/
citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.886.360...
www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/dit...
www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN...
en.wikipedia.org/wiki/Eulepidotis_persimilis
www.catalogueoflife.org/col/details/species/id/b800d65c27...
PROJECT NOAH (Português): www.projectnoah.org/spottings/548336094