1701
Until recently, wind turbine blades were nearly impossible to recycle. Now, one company is shredding the blades so they can be used as fuel in cement making [video: buff.ly/3yEjos9]
1702
How a homemade levee saved an Arkansas home during a Mississippi flood in May 2011 [source: buff.ly/2XCJOtL]
1703
This Australian Giant Cuttlefish filmed by William Gladstone (@DrBillGladstone) changed its colour from mottled brown to deep red in the first clip in about 1/3 second [source, IG account + read more: ow.ly/3iQy50GP5oi]
1704
The Drake Equation, explained in one of Carl Sagan’s most widely known episodes of his iconic television program, Cosmos [full video: buff.ly/3uA8tMt] #FrankDrake
1705
This system designed and built by Johan Link holds a ball in balance on a plate. A webcam films the system and a python program analyzes the images to find the position of the ball, preventing it from falling [video with more details: buff.ly/3mhEjLt]
1706
A spider's "paw" is called a tarsus, and it's only one of eight parts that make up a rather complicated leg. They also have claws attached to the paws, but legs also work as ears and nose picking up subtle changes in the air to hear and recognize smells buff.ly/2I0WVew
1707
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
1708
The Colomban Cri-Cri is the smallest twin-engined manned aircraft in the world, designed in the early 1970s by French aeronautical engineer Michel Colomban [read more: ow.ly/PGa430n4hgw] [source: ow.ly/zmhg30n4hh1]
1709
In the Socorro Islands, the change of seasons is marked by a swirling vortex of bubbles caused by a collision of cold and warm deep water currents. See how the local pufferfish was caught by surprise by the vortex [source: buff.ly/3s1Sky9]
1710
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]
1711
The Veluwemeer Aqueduct in Harderwijk, The Netherlands, is a 25-meter long water bridge and an architectural beauty, allowing 28,000 vehicles to pass under it daily
[read more: bit.ly/2xCKvnP]
[📹 buff.ly/3IvofCW]
1712
The Taiwan blue magpie is a species of bird of the crow family. Also known as “long-tailed mountain lady”, is considered a rare and valuable species and has been protected by Taiwan [read more: buff.ly/2GBQrBl] [source of the image, Su Min Du: buff.ly/2NFli9e]
1713
Suction is a fundamental function for the diet of a whale shark, but this one is even able to suck fish out of hole in a fishing net [source, full video: buff.ly/2Iq14sy]
1714
Operant conditioning is controlled by external stimuli, using reinforcement learning. Here's how it's applied to chickens
[📹 buff.ly/3AMriSK]
[read more: buff.ly/SnuczM]
1715
J.J. Thomson won the Nobel Prize in physics in 1906 showing that the electron is a particle: ironically, his son, G.P. Thomson, won the Nobel Prize in physics in 1937 showing that it is not (or rather that the electron can also behave as a wave) [more: bit.ly/2C0xp92]
1716
When we knew what an electron looks like for the first time [read more: bit.ly/2jiXR4G]
1717
Paradise flycatchers most telling characteristic is the long tail streamers of the males. This is a male feeding the chicks
[read more: buff.ly/3cL9mPu]
[📹 Kapil Rai: buff.ly/3qbSh4k]
1718
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]
1719
What does the path of a bicycle pushed until it falls over look like? These are the paths of 800 unsteered bicycles obtained by CalTech's Matthew Cook
[full paper: ow.ly/WOfV50CgppT]
1720
Genetics for (g)ummies
[source, Jacinta Bowler: buff.ly/3e0mDVa]
#SundayFunday
1721
A bridge girder machine drives the girder onto the previously placed one, slowly extends its arms to the next support platform, pushes the girder towards the front of the machine and then lowers it into place
[📹: buff.ly/3TZNAZ3]
1722
Hero's steam engine with water vs liquid nitrogen
[full video, The Action Lab: buff.ly/3pLXZd1]
1723
When a blue-tongued skink is threatened by a predator, it performs an amazing defensive bluff by turning to face the predator head-on, opening its vast mouth, and wagging it’s brightly colored tongue
[source: buff.ly/3Fza78L]
[📹 Dr Chris Jolly]
1724
The story of the Chinese students protesting with printouts of the Friedman equation – which governs the expansion of the universe – because the pronunciation: is similar to "free的man" (free man)
[read more: buff.ly/3VptOqg]
1725
Water plantain (alisma gramineum) has tiny purple-tinted white flowers that are cleistogamous, meaning that they stay closed and self-pollinate when underwater and open when out
[read more: buff.ly/3EiOCKu]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links