2001
This is known as the Morellet's Tiret Illusion, a modified painting where small circles seem to appear and disappear when your eyes move over them. Enlarge the picture and move your eyes around
[read more: buff.ly/2KCjXcq]
2002
Reddit user u/harpalss made this chart that shows the hours of daylight as a function of day of the year and latitude [source: buff.ly/33E1d5T-] [Equation to calculate the hours of daylight for a given day and latitude: buff.ly/3bNkqaJ-]
2003
Autonomous propulsion at the nanoscale represents one of the most challenging and demanding goals in nanotechnology. These are autonomously propelled rocket nano-machines observed with an electron microscope
[source, full paper: buff.ly/3yF9E0y]
2004
Our Sun is a huge, massive object, containing about 99.8% of all the matter in our Solar System. It has a mass of 2.192 · 10²⁷ tons, 333,000 times that of the Earth, and it converts 600 million tons of hydrogen into 596 million tons of helium every second ow.ly/Y3qw30np4FN
2005
A fecal sac is a mucous membrane that surrounds the feces of some species of nestling birds. It allows parent birds to more easily remove fecal material from the nest.
[read more: buff.ly/3TGvtXs]
[📹 EBS Collection: buff.ly/3SyySXn]
2006
Dolphins produce all sorts of bubbles by releasing air from their blowholes, including bubble rings. Many of these serve as visual displays, a kind of communication signal
[read more: buff.ly/3TkYrvS]
[📹 Aaron Rix: buff.ly/3eIU6DL]
2007
In a trip to Japan Albert Einstein found himself without any money to give a courier a tip for his delivery, so he wrote a note advising him to keep it as it may one day be worth more than any tip he could give him. It sold in 2017 for $1.56m [full story: buff.ly/2yk0ZTb]
2008
This footage by Dr. Renaud Renault shows neurons seeded in two different micro-compartments extending their neurites through micro-tunnels to establish connections with each other
[full video, HD by Nikon Instruments Inc.: buff.ly/3fv5SON]
2009
The popular Pythagorean theorem water demo visualizes the equation
a² + b² = c²
using water. The two smaller squares of water pour perfectly and equally into the area of the larger square on the longer side
[full video: buff.ly/2Ei7Rqg]
2010
It has 600 million year of distance from us, three hearts, no bones, a beak with a venomous bite and a gut that runs though its brain and yet it can befriend a human teenager. Meet Laurel and her pet octopus Heidi [full video: buff.ly/2nfbc1t]
2011
This clip by MacroLab 3D compares an acupuncture needle (0.16 mm) with an insulin needle (0.3mm/30G) and a standard syringe needle (0.6mm/23G). A human hair knot is visualized for scale
[video, HD: buff.ly/3Af7VA4]
2012
This video by UniServeScienceVIDEO provides a visualization of the magnetic field lines that surround a small cylindrical bar magnet. Front view of a 3D Magnetic Field Demonstrator which is an Oil Filled Cube with a suspension of iron powder [full video: buff.ly/3bI9E5J]
2013
This crab was supposed to be an easy snack for a bald eagle, but nature always has some surprise (and a crab a few tricks up its claws)
[from «Island of the sea wolves»: buff.ly/3MGePok]
2014
As a part of every Shuttle launch, over 125 cameras were positioned all over the launch pad structure and around the perimeter of the complex to view how the vehicle performed and to catch views of any potential debris as the vehicle cleared the pad ow.ly/ubeY30oalzY
2015
Marine biologist Simon Pierce filmed this school of hammerheads in the Galapagos National Park with a remote camera and this is an amazing shot that shows a cloud of sharks as if they were in a vitual sky [source and more photos by the author: ow.ly/xl2y30nY8V1]
2016
Cosmic Eye is a short movie designed by astrophysicist Danail Obreschkow. The movie zooms through all well-known scales of the universe from minuscule elementary particles out to the gigantic cosmic web
[full video: buff.ly/3en2xjM-]
2017
The Long Room of the Trinity College Library in Dublin, Ireland, at nearly 65 meters in length (213 ft), is filled with over 200,000 of the library’s oldest books [source, read more: buff.ly/2JR6VaK]
2018
Bergs Fairytale Garden (@Bergs_fairytale) took creative gardening literally creating this nearly perfect color palette with progressively hued eggs. «Eggs can be a everyday thing, but it can also be art» [source + IG: buff.ly/33snGri]
2019
This 2012 animation made by NASA Goddard Space Flight Center, shows the evolution of the Moon: 4.5 billion years in two minutes [video: buff.ly/3G2EDXV]
2020
Zoologist Clinton Hart Merriam described raccoons as "clever beasts", with reason. In a study, raccoons were able to open 11 of 13 complex locks in fewer than 10 tries. This BBC video gives a demonstration
[video: buff.ly/3eWpkTY]
[paper: buff.ly/33gvpFE]
2021
This robot can win rock-paper-scissors 100% of the time thanks to high speed recognition of high speed vision
[source, Ishikawa Group Laboratory: buff.ly/2tBTFQ9]
2022
This rainbow with a rainshaft was observed by Jared Rackley on May 27, 2014 during a NOAA storm chasing session in Carr Colorado
[source, NOAA Photo Library: ow.ly/TQZA50AR2J2]
2023
Osaka, Japan, has three major arched flood gates. In case of need, the arch shape floodgate lowers towards the upstream side. The whole process takes about 30 minutes [full video: buff.ly/2PRSXNu]
2024
This eruption of the Volcan de Fuego, Guatemala, allows us to appreciate the volcanic lightning, arising from colliding, fragmenting particles of volcanic ash
[📹 Astro Météo 53, HD: buff.ly/3tB3f5m]
2025
Fun fact: in 2013, almost all computers on the International Space Station migrated from Windows XP to Linux Debian, still used today. Even SpaceX Crew Dragon is “powered by liquid oxygen, rocket-grade kerosene, and Linux” [read more: buff.ly/34OQHdw]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links