976
How a book written in 1910 could teach you calculus better than several books of today
[Calculus Made Easy, by Silvanus P. Thompson, 1910 - full text pdf: bit.ly/2pThkf1 or with the table of contents: calculusmadeeasy.org]
977
Kompsat-2 satellite captured this magnificent image over the sand seas of the Namib Desert in 2012. The blue and white area is the dry river bed of the Tsauchab. Black dots of vegetation are concentrated close to the river’s main route
[read more: buff.ly/2r4vGcD]
978
Impaled droplets: on the breakup of drops impacting singularities
[source and full video: buff.ly/3iCx1yV]
979
Asperitas (formerly known as Undulatus asperatus) appear dark and storm-like, but they almost always dissipate without a storm forming buff.ly/2IuGuaj [these ones were photographed by Johannah McKinney Cheek over Kentucky in 2015: buff.ly/3iC0WaA]
980
A 3D visualization of an eye orbital structures from anatomy.app
981
If you put a can of Coca-Cola into a pool of water, it would sink, and if you put a can of Diet Coke into the pool, it would float. Their densities differ due to what's dissolved in them and the amount of sugar makes the difference: buff.ly/2KH6Kky
982
Madagascar wildlife is so unique that over 90% of it are endemic species that can't be found anywhere else on Earth. Reason for that is that it has been isolated for 88 millions years from other land masses
[read more: buff.ly/2JivKM9]
983
The Seven Sisters is a waterfall in Norway which consists of seven separate streams, and the tallest of the seven has a free fall that measures 250 metres (820 ft)
[read more: buff.ly/2xMbSjo]
[📹: buff.ly/2GXVpfx]
984
Long-lost bird species, thought to be extinct, captured in images for 1st time in 140 years. Footage of the black-naped pheasant-pigeon were captured by scientists in the first documented sighting of the bird since 1882
[more: buff.ly/3i83diK]
985
All objects, big or small, cast shadows and so do mountains. However, one particular peak displays a peculiar behavior – it cast shadows not only on the ground, but also up in the clouds. This photo of Mt Rainier was captured by Lisa Bishop
[source: buff.ly/3u7D3zf]
986
See what fact checking means before posting: means reading, spending time and cross checking, reconstructing a context. This is not a zunzunCito (sic) and not a hummingbird. It's a miniature created by Ina Malinik
{Instagram: instagram.com/p/CCXkKpXJI3r/] twitter.com/jimrosecircus1…
987
The Shibuya Crossing in Tokio is frequently called "the busiest pedestrian intersection in the world". A flow measurement survey estimated up to 390,000 pedestrians per day
[source: buff.ly/3U8mpu9]
[read more: buff.ly/3VoXP9k]
988
Theo Jansen has been creating large-scale, kinetic beings powered entirely by wind since 1990. Based on a planar leg mechanism known as Jansen's linkage, you can often see them waddle, wriggle, or slither across a Dutch beaches
strandbeest.com
989
This is a rare color footage of the tallest person ever in recorded in history: Robert Wadlow stood 2.71 meters and weighed 223 kg. This home movie footage was taken during one of Wadlow's public appearances in the 1930s
[video: buff.ly/2JG9Dmq]
990
This clip showing a bonobo playing with her baby granddaughter tells us that, despite there aren't normally grandparents around when an animal is born, there are notable exceptions
[read more: buff.ly/2J1nPHm]
[source: buff.ly/3F8FpRO]
991
Mammatus is a cellular pattern of pouches hanging underneath the base of a cloud, typically a cumulonimbus raincloud. These were photographed by John C. Olsen over Hastings, Nebraska
[source: buff.ly/3gBdq6Y]
[read more: buff.ly/3XpOmQS]
992
This is called Phagocytosis: the immune response of Macrophage cells in this case directed to Escherichia coli bacteria which attach on the digestive system
[📹 Helix Animation: buff.ly/3VJdRv5]
993
This classic video shows what would happen if a large asteroid (diameter ~ 500 km) hit the Earth somewhere in the Pacific Ocean
[Anselmo La Manna + read more: buff.ly/3DlBgcq]
994
That time LEGO built a working 1:1 version of a Bugatti Chiron with Technic bricks only and tested it on a track with a real Bugatti Chiron pilot
[full video, read more: buff.ly/2PjbfS2]
995
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]
996
This clip demonstrates you can record sounds with some cups. When the kid screams into the top paper cup, a little needle is etching a pattern into the glass. Then the groove & the needle play the sounds back
[📹 Dust-to-Digital: buff.ly/3oqSl0K]
997
Often referred to as the jelly bean universe, this jar displays the overwhelming amount of dark matter versus ordinary matter in the universe. The universe is estimated to consist of up to 95.1% dark matter/dark energy with 4.9% coming from ordinary matter ow.ly/HUC850xflVA
998
Inspired by a long tradition of impossible objects, this 'impossible portal' created by coded loop artist @jn3008 challanges your mind leaning toward you or away from you according to the point of the portal you focus on [site: jn3008.com]
999
Instagam's Taitan21 mainly takes pictures of the scenery of Mt. Fuji around Fuji City and Fujinomiya City every day. This is a majestic view of Mt. Fuji surmounted by lenticular clouds while reflected in a lake [source, more pictures: buff.ly/3RNAzkv]
1000
Malachite is a copper carbonate hydroxide mineral, with the formula Cu₂CO₃(OH)₂. It crystallizes in the monoclinic system and most often forms botryoidal, fibrous, or stalagmitic masses
[📹@rocksforthe spirit: buff.ly/3F2MNB6]
twitter.com/Limportant_fr/…
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links