1176
Difference in hue between arterial (brighter) and venous (darker) human blood. The difference comes from the % of oxygen in the blood, bright red when oxygenated, very dark, almost blackish-red when deoxygenated
[more: ow.ly/uYG330nNi4x]
[📷: ow.ly/gD1E30nNi5h]
1177
It might not be a fully reliable source, but according to worldometers.info, the world population has just surpassed 8 billion people today
worldometers.info/world-populati…
1178
A smart LEGO domino row building machine
[source, full video by Matthias Wandel: buff.ly/2lBaUwf]
1179
Intel announced its 4004 processor #Today in 1971, the first commercially available microprocessor. It held 2300 transistors & delivered the same computing power as the first electronic computer built in 1946, which, in contrast, filled a room [read more: buff.ly/3tsw3wO]
1180
The Forever Tree. Many of these trees, growing high in the White Mountains of Inyo County in eastern California, live for 5000 years, and even after dying, can remain for 5000 more years. This photo by Ken Lee captures their essence in one shot kenleephotography.com
1181
A sand pendulum is capable of creating geometric images, like ellipses, spirals, figure eights and other Lissajous figures
[read more: buff.ly/2WiMz1q]
[📹 buff.ly/3UV4aJr]
1182
These tulips are giving new meaning to the term ‘flower beds’ – as tiny harvest mice curl up inside them, since they sleep inside, as these photos by Miles Herbert show
[author's site: captivelight.co.uk]
1183
This is a very high level visual chart that shows the basic differences between diagnostic imaging and their main purpose, with focus on the head and brain area.
[source: buff.ly/3sWhsL7]
[explanation: buff.ly/3ELw5De]
1184
In this clip, Reza Asgaripour shows a creative way to do a 2 point perspective
[source, read more: ow.ly/2Xh850m9XLm]
1185
This clip shows the steps that brought to light the 66-72 million years old perfectly preserved dinosaur embryo whose posture was found to be common among embryos of modern birds
[video: buff.ly/3pLqgBl]
[full story: buff.ly/3HuRxy8]
1186
A long exposure of an extremely violent volcano eruption can return stunning visual results. This stunning, large electrical storm during the first hours of the Calbuco eruption in April 2015, was captured by Francisco Negroni
[this one and more photos: francisconegroni.com]
1187
This is not laser gunfight, it's how glass bottles are manufactured [source, full video: buff.ly/2OnY5on]
1188
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]
1189
Left: how humans see starlings.
Right: how starlings may see each other - with bolder markings and more colour
The amazing world of UV vision, seen through the eyes of…. birds.
[read more: buff.ly/31xLkvX]
1190
Louisa's multiple sclerosis related spasticity before & after wearing the Exopulse Mollii Suit. Just 1 hour of near full-body stimulation improves her balance, gait, & stability, and helps make everyday tasks easier for her
[more: buff.ly/3O5j7Gr]
1191
Andreas Kunert and Naomi Zettl, a married artist duo based in Vancouver, create beautiful flowing wall installations out of rocks, pebbles, and other decorative elements. And the results are remarkable
[read more: buff.ly/2HdmAyJ]
1192
The curious story of the public drivers from San Luis Potosí, Mexico, who were put on bicycle to know how bad it is to pass by scraping cyclists
[read more (ES): buff.ly/3Gfzoqy]
1193
Born #Today in 1891, Frederick Grant Banting was the physician who, assisted by Charles H. Best, was the first to extract in 1921 the hormone insulin from the pancreas. From 1991, #WorldDiabetesDay is celebrated on November 14
[read more: buff.ly/3Ttiyra]
1194
53 years ago #Today, the Apollo 12 Saturn V was about to launch (16:22 UTC) to achieve the second successful Moon landing bit.ly/1MBvWAp
1195
«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]
1196
Someone thought the spectrum of a movie could be a good idea. And it is: this is the average colour of each frame of several films [see more: thecolorsofmotion.com/films]
1197
The lava formations you can spot at West Kamokuna Skylight, HI look like Dante's damned soul sliding into hell
[source, read more: buff.ly/2kk2nAA]
1198
What a 1300 years old tree can tell us: this is only the final part of the Mark Twain tree's story
[read more: buff.ly/2qT07lU]
1199
The magnitude of difference between 1 million and 1 billion is not that intuitive and can be illustrated with this example of the time scale:
- A million seconds is 12 days.
- A billion seconds is 31 years.
- A trillion seconds is 31,688 years
ow.ly/5vsP30mJT8e
1200
The decisive moment when a kingfisher dives in water to hunt fish, has been superbly captured in this award winning photo by Chris Chambers [source: buff.ly/2GUCgGY]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links