2201
There is more than a way to inflate a plastic bag and this clip explains how to do it with a *single breath* using science and the Bernoulli's principle
[source, Wolf_science: buff.ly/3kRMRJl]
2202
The Mayan city of Chichen Itza is full of architectural & engineering marvels. But El Castillo does even more: clap your hands at the base of the stairs and the song of a sacred Mayan bird will echo through the air [source: buff.ly/3iHZt2z] [more: buff.ly/2Fsl1wR]
2203
This site visualizes position and motion of all publicly registered satellites in orbit: celestrak.com
2204
This very popular video by Jane Hunter shows how corvids share an interesting set of behaviors with humans, especially because they a so playful animals' family
[read more: buff.ly/3GngsUa]
[source, HD: buff.ly/3FikrzV]
2205
In 2011, Japanese telecom company Docomo created one of the most beautiful adverts we've ever seen. A giant xylophone in Kyushu playing Bach's "Jesu, Joy of Man's Desiring" with a wooden ball rolling down its keys [full video, HD: buff.ly/2WuiMTQ]
2206
Aglantha digitale is unique among known jellyfish in having giant axons in the subumbrella (the concave inner surface of the bell) which are involved in its rapid escape response
[read more: buff.ly/3u60ZTJ]
2207
50 years ago #Today, one of the earliest arcade video games, #Pong, was originally released by Atari bit.ly/1JQZDlB
2208
Have you heard about the Hubble Ultra-Deep Field? Either way, you've likely not heard about it like this. At the link you can run your pointer over the featured image and listen: pointing to a galaxy will play a note that indicates its approximate redshift buff.ly/2FWD7s0
2209
3D printing is a recent but promising technology available to professional prosthetists and amateurs alike. So anyone with access to a 3D printer and a DIY mentality can create a bespoke prosthesis at a low price point. Like this prototype by William Root buff.ly/3ucW6qh
2210
The borosilicate glass and the oil have roughly the same index of refraction, so this clear beaker has no markings and bends light to the same degree as cooking oil
[source, read more: buff.ly/3FiogFf]
2211
Sociable weavers construct permanent nests on trees and other tall objects. These nests are the largest built by any bird, and are large enough to house over a hundred pairs of birds, containing several generations at a time
[read more: ow.ly/MU7730nXbBc]
2212
When you lay bricks like dominoes at the proper distance, on top of the obvious domino effect, you get an unexpected opposite wave starting as soon as the last bricks falls down
[Learn why bit.ly/2Gm4sCJ]
[📹 Satisfrying: buff.ly/3OLUVcG]
2213
This is a 200 kilogram preserved blue whale heart
[source, read more: buff.ly/3VDvmNk]
2214
Animated historic land changes of Europe for every decade: it's actually greener than 100 years ago
[source, read more: bit.ly/2yMoE0P]
2215
In agriculture, a terrace is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps. It prevents erosion, benefiting the ecosystem while providing a livelihood for farmers buff.ly/2JL7h5H
2216
That's why science education is important
[full story: buff.ly/2LGPXfJ]
2217
The functioning guitar the size of a human blood cell (with six strings each about 50 nanometers, or 100 atoms, wide) that the Cornell University scientists created in 1997
[read more: buff.ly/2sWwK1A]
2218
If you put a series of out of phase metronomes on a movable surface, they will sinchronize themselves according to what is called a Kuramoto model of synchronization
[explanation: bit.ly/2qwVE9N]
[IkeguchiLab: buff.ly/2MjPcKG]
[more: buff.ly/2sYxvr3]
2219
Professor Chris Bishop demonstrates the reaction of phosphorus burning in pure oxygen, which also explains why the name phosphorus means "bearer of light"
[full video with more reactions: buff.ly/2KNlrCQ]
2220
Tools like the Court Line Tape Machine guarantee perfect lines and crisp edges in basketball and indoor sport courts. This is an example of how lines are made
[source, full video: buff.ly/3aY4KRU]
2221
Wild mammal biomass has declined by 85% since the rise of humans. Today, humans represent aproximately 34% of global mammal biomass, while 62% is humans' livestock and pets. Wild mammals are just 4%
[read more: ourworldindata.org/mammals]
2222
Believe it or not, bonsai trees—yes, the delicate miniature shrubs that have been grown in Asia for centuries—can actually yield fruit. And, normal size fruit, actually
[read more: ow.ly/TDyq30nZ5tN]
2223
When a cat discovers refraction
[source of the gif: buff.ly/3XDTOQn]
2224
How the atomic mushroom clouds are actually bigger than they look
[read more: bit.ly/2sG6AlC]
[source of the image: buff.ly/31ZGBoL]
2225
This is how the Panama Canal works
[source of the gif, by Joe LeMonnier: buff.ly/3xzDeUC]
[a ship's time lapse: buff.ly/3g8gnW9]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links