2176
Photographer Alan Murphy was in Alaska when he snapped this picture showing a bald eagle's 2-meter wing-span and its precision when diving down to catch its prey [story: buff.ly/2yQaa1y] [more pictures on the author's site: alanmurphyphotography.com]
2177
The Koch snowflake is a mathematical curve & one of the earliest fractals to have been described. It can be built up iteratively and the first stage is an equilateral triangle. It encloses a finite area, but has an infinite perimeter
[source: buff.ly/3tUN68u]
2178
Some 2,000 kilometers beneath our feet, there are enormous masses of hot mantle material the length of continents and stretching 100 times higher than Mount Everest. And, We literally don’t know what they are, where they came from, or what they do ow.ly/a49k30nSnBl
2179
Spy Crab joins thousands of Christmas Island crabs as they march to the sea.
[Full video, John Downer Productions: buff.ly/3tQhpRs]
2180
Life before the invention of AutoCAD. An overview of historical photos before the advent of computer-aided design and drafting software (1950-1980) [read more: buff.ly/3lfr6T6]
2181
There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery
— Enrico Fermi
buff.ly/3GeEIZt
2182
In the early morning of 2013 May 10, from Western Australia, the Moon was between the Earth and the rising Sun. In an annular eclipse, the Moon is too far from the Earth to block the entire Sun, resulting in what is known as a ring of fire [source: buff.ly/3d395Se]
2183
An Air Force F-22 Raptor executes a transonic flyby over the flight deck of the aircraft carrier USS John C. Stennis (CVN 74)
[source, photo by Kyle Steckler: buff.ly/2KigVcS]
2184
Cleaning solar panels is crucial to maintain their performances. Skip cleaning means losing up to 17% – 25% of power generation due to the accumulation of dirt and dust
This is one way you clean solar panels
[read more: buff.ly/3DACW5x]
2185
Check out the first flight of the CycloTech technology demonstrator. The Austrian company based its "CycloRotor" propulsion system on the Voith Schneider Propeller design, which has been used in maritime applications for decades [video, read more: buff.ly/3maCHFb]
2186
Photographer Dan Legend captures the magic of the ocean in his captivating underwater images, often using simple effects capable of creating stunning results.
This one is titled «Between two worlds»
[source, more photos: danlegend.com]
2187
In agriculture, a terrace is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps. It prevents erosion, benefiting the ecosystem while providing a livelihood for farmers buff.ly/2JL7h5H
2188
The Myasishchev VM-T Atlant was modified to carry rocket boosters and the Soviet space shuttles of the Buran program
[read more: buff.ly/3oPlnqe]
[video, Discovery Wings: buff.ly/36fVfyd]
2189
A 3D visualization of an eye orbital structures from anatomy.app
2190
413 years ago #Today, Galileo Galilei revealed his telescope to a group of Venetian lawmakers included the Doge bit.ly/2vokIOB
2191
«Roads? Where we're going we don't need roads»
Created for Back to the Future's 30th anniversary, this floating Delorean uses a powerful magnet to recreate the flying capability of the 2015 time machine
[read more: buff.ly/3WZVR0U]
2192
Since its inauguration in 1964, approximately 6.4 billion people have used the Tokaido Shinkansen, aka the Bullet Train, with zero accidents and an average delay time of 0.9 minutes [read more: buff.ly/3qZCO7I]
2193
When a very viscous liquid like honey is poured, a growing column of liquid coils begin to emerge from above the surface of the honey in an effect referred to as the liquid rope-coil effect. Here's a really detailed explanation of the phenomenon: buff.ly/34Lvgsh
2194
On June 16, 2014 a series of violent tornadoes impacted the town and surrounding area near Pilger, Nebraska. This footage by Greg Johnson shows the most striking moments of the event
[full video: buff.ly/3Gte3cT]
2195
The dwarf minke whale emits the so called "star wars" vocalization, a complex, stereotyped call often described as "almost synthetic, metallic, or mechanical"
[read more: buff.ly/3AZdvbs]
[📹 Whales Nation]
2196
What happens to a jet when one of its engine fan blades disintegrates in flight? Hopefully, not much. That's what Rolls Royce was out to prove when they tested an Airbus A380 engine. If a fan blade fails in flight, the engine needs to contain it
[video: buff.ly/3a8SlKQ]
2197
The Rio Grande Gorge Bridge, locally known as the "Gorge Bridge" or the "High Bridge", is a steel deck arch bridge across the Rio Grande Gorge 10 miles (16 km) northwest of Taos, New Mexico, United States
[read more: ow.ly/D3iq30nO9yH]
2198
Torghatten is a granite mountain on the island of Torget in Brønnøy Municipality in Nordland county, Norway. It is known for its characteristic hole, or natural tunnel, through its center [read more: bit.ly/2eshMcI]
2199
Almost 100 years before selfies became a thing, this man was taking photos of himself and his friend with the best cameras available at the time [read more: ow.ly/eWvV30npSg8]
2200
Black Nebula carrots, botanically classified as Daucus carota, are a unique, dark-hued cultivar that belongs to the Apiaceae family. Cut in section, they sometimes uncover beautiful patterns, resembling, in fact, nebulae or Mandelbrot sets [read more: buff.ly/3uQewO8]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links