1726
This is what happens when two bubble rings collide
[source: buff.ly/3Dns5eL]
[the physics of a vortex reconnection: buff.ly/2SdU3zZ]
1727
JamHamster built this virtual tape deck with a cassette tape shell and the head from a cassette audio adapter using an Arduino Nano to store tape data files and replay them to load software on a ZX Spectrum +2
[read more: buff.ly/3h8x2u1]
1728
Zeugma is a 2,200 year old city located in modern Gaziantep Province, Turkey and it's one of the largest mosaic museums in the world. In 2014, this magnificent mosaic depicting the nine muses was discovered
[read more: buff.ly/3C9zQCe]
1729
Dubbed Los Caracoles (snails), this is a portion of the CH-60, also called Ruta 60. It connects Santiago to Chile to Argentina through the Andes Cordillera. Its distinctive trait is this set of 29 hairpin turns
[read more: buff.ly/3Fa2sz9]
1730
Hura crepitans is also known as sandbox tree or dynamite tree. It's covered in spikes, it has a caustic, poisonous sap used by fishermen to poison fish and has explosive fruits whose seeds can be launched at 70 meters per second (252 km/h) [read more: ow.ly/EICl30nI4Nx]
1731
What happens to a jet when one of its engine fan blades disintegrates in flight? Hopefully, not much. That's what Rolls Royce was out to prove when they tested an Airbus A380 engine. If a fan blade fails in flight, the engine needs to contain it
[video: buff.ly/3a8SlKQ]
1732
A sunken lane (also hollow way or holloway) is a road or track that is significantly lower than the land on either side, not formed by the (recent) engineering of a road cutting but possibly of much greater age [read more: buff.ly/2rUgHSp]
1733
This Vietnamese woman making a fishing net, captured by photographer Danny Yen Sin Wong, looks as if she's swimming in a sea of green fire
[source, read more: buff.ly/2IUqRfs]
1734
The Pythagorean theorem is a celebrity:
a² + b² = c²
But most of us think the formula only applies to triangles and geometry. Think again. The Pythagorean Theorem can be used with any shape and for any formula that squares a number. Like circle areas
ow.ly/bHlw30nJqHe
1735
The Turkish coffee looks like an apparent violation of the laws of thermodyamics, but there's a pretty simple way to brew it
[read more: bit.ly/2fGy5n2]
[📹 buff.ly/3EqzSFC]
1736
The Bentley collection is an immense library of snow crystal photomicrographs, entirely available on line [visit: buff.ly/2gpIGkp]
1737
Despite fire retardant or water are or should be dropped from much higher altitude, this is why you avoid dropping water or fire retardant directly on buildings, when possible [source and full video: buff.ly/329gzO3] [watch an example of altitude: buff.ly/3g7n8s9]
1738
We still don't know where eels come from. The general consensus is that adult eels migrate to the Sargasso Sea to spawn offspring, but no adult eel has ever been observed migrating in the open sea and nobody has ever seen two eels mate
[read more: buff.ly/3fZEZBE]
1739
At first glance this photos by Andre Ermolaev looks like a twisting abstract painting, but in reality it's an aerial photo of rivers flowing through Iceland’s endless beds of volcanic ash
[source, more pictures: buff.ly/2CQYJIY]
1740
The behavior of a wave reflecting at a boundary on the wave machine depends on whether the boundary is free or clamped
[source, full video: buff.ly/2GngGdT]
1741
If you put some soap or ink on a leaf, you obtain a ink propelled boat, using the Marangoni effect. The ink or the detergent has a lower surface tension than water and its flow provides thrust to push the boat forward
[more: buff.ly/2tnyzW6]
[📹 buff.ly/3yUhS5D]
1742
This video by Tod's Workshop shows a 160lbs English warbow shooting full weight medieval arrows at a reproduced armour in a sort of medieval mythbusting
[full video, Tod's Workshop: buff.ly/3JhpEv1-]
1743
The Spinning Dancer is a kinetic, bistable optical illusion resembling a pirouetting female dancer. Some observers initially see the figure as spinning clockwise & some counterclockwise. Some can see it change rotation direction suddenly
[read more: buff.ly/2KM24au]
1744
You may not believe that your cat was born with a predatory instinct because it's a so playful critter, but it looks like cats are responsible for the global extinction of 33 animal species & responsible for the deaths of 6.9-20.7 billion mammals annually buff.ly/2s8mL91
1745
Non-Newtonian fluids turn into solids when pressure is applied. It's called the process of impact-activated solidification that occurs when compressive forces are applied to fluid-grain suspensions
[📹 University of Chicago: buff.ly/2NB5r7r]
1746
The extraordinarily complex and beautiful floor in the cathedral of Santa Maria del Fiore, Florence
[close up details: buff.ly/3z6qs2v]
1747
Watch the incredible moment as Wounda, one of the more than 160 chimpanzees living at the Jane Goodall's Chimpanzee Rehabilitation Center in the Republic of Congo, was released in the wild
[full video: buff.ly/3xFT2pR]
1748
“Abandoned Civilization” is a collection of nine separate paintings cobbled together to resemble the famous Mona Lisa — a recreation of the Leonardo da Vinci’s work by Artificial Intelligence
[source + tutorial to make your own: buff.ly/3F9uCua]
1749
Let's imagine 𝟏 𝐛𝐲𝐭𝐞 is 𝟏 𝐦𝐦³
What would it be the size of the 𝐈𝐧𝐭𝐞𝐫𝐧𝐞𝐭?
[full 📹, HD, MetaBallStudios: buff.ly/3Fc78EH]
1750
A facial reconstruction project focusing on ancient Egypt on some of its pharaohs and even normal people
[full video: buff.ly/3TRSeI1]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links