626
In Wales you can find the gravestone of John Renie who died in 1832 at 33. The gravestone comprises a rectangular carved 285-letter acrostic puzzle: it is claimed that the sentence 'here lies John Renie' may be read in 46,000 different ways [read more: buff.ly/2Gy7cBJ]
627
The Balance Pteranodon has weights in the forward wing tips creating a center of mass below its beak and making a system that can rotate and oscillate about a stable equilibrium condition [source, read more: buff.ly/3riBxaR]
628
This is a feather star captured while swimming off the coast of Japan. Feather stars are crinoids or crinoidea, meaning “Lily-like” in Greek, and thrive in the Indian Ocean up to Japan, as well as in the Atlantic [full video: buff.ly/32OJR5m]
629
The BullseyeBore is a drill attachment using lasers to tell you if you’re drilling straight. The attachment can be affixed to any drill and works in any orientation. The laser projections even provide visual cues on drill bit depth [read more: bullseyebore.com]
630
Kawachi Fuji Garden in Japan, is home to an incredible 150 Wisteria flowering plants spanning 20 different species. The garden’s main attraction is the Wisteria tunnel that allows visitors to walk down an enchanting tunnel exploding with colour [source: buff.ly/12qUhav]
631
This now famous photo by Giorgia Hofer shows the position and the changing phases of the Moon above the peaks of the Cridola Group, in the Italian Alps, during a lunar month, called synodic month [author's site: giorgiahoferphotography.com]
632
The SR-71 was the world's fastest and highest-flying operational manned aircraft throughout its career (1964-1998). In 1976, it set an absolute speed record of 1,905.81 knots (2,193.2 mph; 3,529.6 km/h), approximately Mach 3.3 [read more: buff.ly/2HMdnhM]
633
Amazing images and shoots show the incredible hyperrealism art of Young-Sung Kim, the Korean artist who creates paintings that look like photos and real living creatures [more artworks: buff.ly/3sHPUp5]
634
This video by Mark Peterson shows the birth of a newborn dolphin
[full video: buff.ly/3CKraEX]
635
The articulated aerial robot Dragon has a vectorable rotor unit embedded in each link and it's capable of manipulating and grasping using vectorable thrust control [full video: buff.ly/3R5Asjd]
636
The long-tailed tit (Aegithalos caudatus) is found throughout Europe and the Palearctic. This shot by photographer Hajime Nakatsuka captured one in mid-flight, highlighting its body's roundness [source + IG account: buff.ly/3Cd5DB5]
637
This video captured by Tristan Heth on the island of Tenerife, shows how stable air flows over a mountain range or simple convection can form waves in the clouds that resemble an ocean [source: buff.ly/3wLra2Q-, authors' IG: buff.ly/3kzaTZO] twitter.com/pickover/statu…
638
Scientists have recorded seals sleeping for minutes while slowly drifting downward in a belly-up orientation. This clip by Kaush Subramaniam shows one
[read more: buff.ly/3ChLrho-]
[source, IG account: buff.ly/3DfJmE7-]
639
Wildlife photographer Will Burrard-Lucas captured this rare black leopard at night with strategically placed remote cameras in Laikipia County, Kenya [source, blog of the author: buff.ly/3kFLBYC] [author's site: willbl.com]
640
This picture portrays Marie Curie and Albert Einstein strolling near a lake in 1929. Also a good reason to read the story of the letter Albert wrote to Marie and their friendship that many ignore [read more: buff.ly/3ouuw6v] [source of the photo: buff.ly/3quY9XY]
641
Born #Today in 1919, Maurice Hilleman developed over 40 vaccines, among which measles, mumps, hepatitis, chickenpox, meningitis, pneumonia: an unparalleled record of productivity that saved more lives than any other scientist of the 20th century buff.ly/2o9ChmY
642
One interesting thing is figuring out which arches are able to support their own weight. As long as an arch is a mirror image of a chain of the same length hung from the same end points, then its shape is valid and can stand under its own weight [source: buff.ly/2UITp0a]
643
Crows and corvids in general are among the most playful animals.
This is a snowboarding one.
[read more: buff.ly/2N2PkPn]
[📹 MadtimeCA: buff.ly/3Q1VdLl
644
This 2018 video shows how a harbor pilot boards a moving 200 m long ship moving fast into a sea of ice
[video: buff.ly/2IxKIRt]
645
Echo is a reflection of sound that arrives at the listener with a delay after the direct sound. Musician and sculptor Armin Küpper found how to take advantage of it playing his saxophone into a huge gas pipe
[📹: buff.ly/37tqwtT]
646
Sonifications map of the Cosmic Cliffs in the Carina Nebula, captured by NASA’s Webb Telescope, to a symphony of sounds. Musicians assigned unique notes to the semi-transparent, gauzy regions and very dense areas of gas and dust in the nebula [read more: buff.ly/3Q8YV62]
647
Beavers work as ecosystem engineers as their activities have a great impact on the biodiversity of an area. For example, this video shows the wildlife that crossed a beaver dam in a year [full video by Voyageurs Wolf Project: buff.ly/3opJ9YK]
648
One of the possible cosmological solutions is that our universe could be the mirror image of an antimatter universe extending backwards in time before the Big Bang. Physicists devised a model positing the existence of an “antiuniverse” paired to our own: ow.ly/gs7Z30ncA44
649
The most common crystallization patterns of calcite are scalenohedra, with faces in the hexagonal {2 1 1} directions. You can find them of black color, justifying the informal definition of 'dragonscale' calcite [source of the clip, Rocks for the Spirit: buff.ly/3cat2IU]
650
Scientists said they know why Swiss cheese has holes in it and it is all down to how dirty buckets are when the milk is collected. This video by Food Unwrapped brings you directly at the source to check that [full video: buff.ly/3C6Q0eo]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links