1651
This clip shows how realistic Amsterdam looks like in this Call of Duty Modern Warfare 2 walkthrough. The upgraded engine features new streaming/rendering systems
[read more: buff.ly/3eUHqd2]
[full video, 4K, by Shirrako: buff.ly/3TLfNSM]
1652
The kangaroo rat's escape response to a snake attack is less than 70 milliseconds and the quickest mammalian startle response
[full paper: bit.ly/2qyU5HM]
1653
Egypt’s Great Pyramid of Giza used to look very different from the way it does now. When it was first completed around 2560–2540 BC, the pyramid’s original external walls of Tura limestone casing stones were sanded smooth to shine bright white [source: buff.ly/2A9060G]
1654
Elephants learn to fully control their trunk around 9 months - 1 year of age. This video collage by National Geographic show some glimpses of this process
[sources: buff.ly/3EkpnUf]
[read more: buff.ly/2QIOIlV]
1655
Attacus atlas is a large saturniid moth endemic to the forests of Asia. Its Cantonese name translates as "snake's head moth," referring to the prominent extension of the forewing which bears resemblance to the head of a snake [read more: buff.ly/2J9lJBl]
1656
The story of the bees in Brooklyn who produced red honey, which led to an investigation at a nearby marachino cherry factory, which led to the discovery of a marijuana farm beneath the factory [read more: ow.ly/q4i330nsLHU]
1657
In the early 1950s, trademarks like General Chef L/K designed and sold this peculiar sink/fridge/stove combo
[more pictures: buff.ly/3PDACPe]
1658
This is a close up of a mushroom and those drops are not dew, they are created by guttation.
They are rotating because, believe it or not, the mushroom has its own small thermal currents
[📹 Geertje Geertsma]
[read more: buff.ly/33YnvPZ]
1659
While the casting process dates back more than 5000 years, sand casting was first documented in 1540 & only took off in the early XX century with the rapid expansion of the automotive industry
[more: buff.ly/3aKWSC9]
[📹: buff.ly/3l4HsNP]
1660
A veneered desk surpirsigly full of hidden compartments: the sloping fall enclosing a fitted interior of faux book and hidden drawers, a staircase gallery interior, above a short frieze drawer flanked by dummy drawers
[read more: buff.ly/3h4JOyZ]
1661
Tokyo startup Telexistence has recently unveiled a new robot called the Model-T, an advanced teleoperated humanoid that can use tools and grasp a wide range of objects. In this trial, a human “pilot” operates the robot remotely, handling store items buff.ly/32IV74O
1662
This is a White-breasted Nuthatch. When it is confronted with an enemy (especially squirrels), including a rival nuthatch, it spreads its wings, then slowly rocks back & forth
[read more: buff.ly/3hOsKxN]
[📹 SJ 1st View: buff.ly/3PTs3Q7]
1663
The surge wrasse, Thalassoma purpureum, is a species of wrasse native to the southeast Atlantic Ocean through the Indian and Pacific Oceans and it's one of the most beautiful fish in the world [source, read more: buff.ly/2G3qQoI]
1664
One of the most convincing and attention attracting opening to a math lesson
—Thomas Garrity Williams, «On mathematical maturity»
[full video: buff.ly/3EIch6N]
1665
Auto-targeting fire sprinkler systems are intelligent fire extinguishing equipments used in interior large spaces [more: buff.ly/2TzaR6R] [source of the gif: buff.ly/3bZMaXe]
1666
Illustrator and anatomy instructor Chuan-Bin Chung encourages his students to understand the intricacies of the human body by drawing them. But his drawings are exact depictions of bones, muscles, and tendons—practically works of art in their own right ow.ly/dqNn50B7fR7
1667
This optical phenomenon has been defined as a parhelion, but it should probably be defined (more correctly) as a subsun, because it appears as a glowing spot when observed from above
[read more: buff.ly/3rtziTb]
[source: buff.ly/3qElIgt]
1668
Minori Yamazaki invented the kaleidoscope "CUMOS" in 1974. This polyhedral closed box kaleidoscope uses 6 mirrors to create a repetitive reflection and an infinite macro universe within a tiny micro box
[read more: minoriyamazaki.com]
[full video: buff.ly/2X6tAZg]
1669
If tuned to the same frequency, striking a tuning fork sets up a sympathetic vibration in the other, shown by a ping-pong ball attached to a thread
[read more: buff.ly/2GegL7J]
[resonance box: buff.ly/3ni5ruY]
[📹 buff.ly/3rN59is]
1670
Artist Shinrashinge makes 2D characters come to life with the simplest of materials. The curved surface on the cups allows Shinrashinge to make art that looks like a moving animation [read more: buff.ly/3EurYLo-] [Instagram: buff.ly/3JllQc0]
1671
The C-130 Hercules holds the record for the largest and heaviest aircraft to land on an aircraft carrier. In 1963, a KC-130F made 21 unarrested landings and take-offs on the USS Forrestal [video by jaglavaksoldier: buff.ly/31uoeM5] [full story: buff.ly/3Gd82hG]
1672
A mechanical demonstration of the chaos theory with the chaotic magnetic pendulum
[read more: buff.ly/2S96AZb]
[📹 wesphysdemo: buff.ly/2t1ouxL]
1673
If M.C. Escher wrote IKEA instructions
[source + read more: buff.ly/3TJypTk]
1674
Hero's steam engine with water vs liquid nitrogen
[full video, The Action Lab: buff.ly/3pLXZd1]
1675
Archimedes, mathematicians, and 7th grade geometry teachers have known the truth about pizza sizes for years: a large pizza is almost always a better deal than two mediums and a 18" pizza has more pizza than two 12" pizzas [source, read more: ow.ly/FGgy30nt5Rp]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links