726
Figure of speech: hyberbole, exaggeration for emphasis or effect
(but you never know)
727
Have you ever wondered how an athlete who competes in the javelin throw trains? This video by athletics.world shows German champion Johannes Vetter at work on a training device
[source: buff.ly/3ADMMA5-]
twitter.com/jack_holroyde/…
728
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]
[IG: buff.ly/3kzaTZO]
729
Cork harvesting is done entirely without machinery without inflicting permanent damage to the tree. A cork oak can be harvested from five to seventeen times in total
[read more: buff.ly/3BgZh6h-]
[📹: buff.ly/3KOCjGW-]
730
Zhen Xian Bao or Chinese thread book is a yarn collection box made using paperfolding techniques developed from a fascinating tradition from remote South West China. Boxes are basically everywhere in it [source: buff.ly/2NltNWi] [tutorial: buff.ly/3qodaYO]
731
In order to ensure sufficient oxygen within their burrow, prairie dogs use the Bernoulli’s principle. One of the entrances is built with a raised mound of dirt, while the other is not. This determines different wind velocities and different pressures: buff.ly/3BCbtO5
732
Here's a time lapse video of the LEGO version of the James Webb Space Telescope.
[Visit: bit.ly/LEGOJWST]
733
A zoetrope is one of several pre-film animation devices that produce the illusion of motion [ow.ly/vDAu30oawYi]. This is a 3D printed part created by Akinori Goto, which allows a light to project a simple, essential animation [source and more: ow.ly/uLbN30oax2A]
734
This is what newly hatched Komodo dragons look like. Six have hatched at the Bronx Zoo in December 2021 and it was the first time the species successfully bred in the 122 year history of the zoo institution
[video: buff.ly/3ErQNvi]
735
The heights of the statues around the world
[📹 Metaball Studios: buff.ly/3JXCUEj]
736
This footage by Scuba Ventures in Kavieng, Papua New Guinea, shows one of the rarest animal sightings in the world: a Chirodectes maculatus, an incredibly rare genus of box jellyfish which had only been sighted once before [source: bit.ly/3AM28Ew]
twitter.com/ScienceIsNew/s…
737
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]
738
215 years ago #Today, Jean-Baptiste Fourier's memoir "On the Propagation of Heat in Solid Bodies", was read to the Paris Institute: an important mathematical work, containing what we now call Fourier series, which he had worked upon since around 1804 bit.ly/2pc4VE7
739
Located in Brno, Czechia, this is a waterfall clock. The amount of every line of water is controlled by a computer. By controlling the length of the lines, pictures and numbers can be shown in the air.
[📹 buff.ly/3CImb7i]
740
A self-produced film entitled "Sancy: the last ascent" by Justin Labattou is the source of this eagle equipped with a GoPro camera flying over the Sancy mountains in Puy-de-Dôme, France [video: buff.ly/3wqyqk9-]
741
A gimbal is a device consisting of a pivoted ring or rings capable of swinging freely while mounted on a fixed frame. This is possibly a much more mundane usage of it than you might expect: grilling [source, Gualberto Elizondo: buff.ly/2NPYCke]
742
The ocean sunfish is the world's heaviest known bony fish: it reaches up to 2,300 kg of weight & 4.2 meters of size across the fins
[read more: buff.ly/2p3FDYk]
[video: buff.ly/2PTq3fA]
743
This photo by Michael Fontaine shows an incredible sighting of several simultaneous waterspouts churning off the states of Louisiana and Mississippi on August 20, 2020 [read more: buff.ly/3aMslE2] [source of the photo: buff.ly/3ghNrv2]
744
Wood opal is a form of petrified wood which has developed an opalescent sheen or, more rarely, where the wood has been completely replaced by opal. Considerable deposits are in Queensland, Australia [read more: buff.ly/2INve8m]
745
Methane bubbles in lake Baikal freeze in layers one over the other, and their size can grow up to 1.5 meters (5ft). This video by Stanislav Tolstnev shared by Siberian Times shows the beauty of the lake's western shore [read more: buff.ly/31ghy4f]
746
It's not easy to safely film a polar bear. This is how Gordon Buchanan came face to face with a huge wild polar bear quite keen to get to what smells like a tasty meal
[full video, BBC: buff.ly/3fPbWVR]
747
Visualisation of birds migrating across Europe, tracked by GPS by 422south.com
[read more: buff.ly/3w64dqx]
748
Chital deer and Langur monkeys have a relationship where the monkeys drop vegetation to the deer and both species alarm the other about predators incoming
[read more: buff.ly/3BsEjBb]
[📹 buff.ly/3WbkB4K]
749
The "Still Face" experiment was conducted at UMass Boston in 2009. A mother denies her baby attention: a short period exposure can lead to bad, but repairable socialization. But in prolonged situations can be irreversible [video: buff.ly/3Cu0NkV]
750
This kinetic wave sculpture by Ross McSweeney is made from mostly all wood. Each wave is driven by a cam that moves the wave both horizontally and vertically [full video and more: buff.ly/2CQsR7d]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links