1076
«While spacewalking I realized something: I used to think I was scared of heights but now I know I was just scared of gravity»
— NASA astronaut Reid Wiseman
[source: buff.ly/3ilOqz0]
[spacewalk: spaceflight101.com/iss-expedition…]
1077
Silkmoths of the genus Rhodinia have larvae of the later instar that squeak loudly if touched, a very likely mechanism of defense used to frighten predators
[read more: buff.ly/3HKq5N0]
[📹 Bart Coppens: buff.ly/3G4QULl]
1078
Fangate is a company realizing fan-folding gates, in a way that you probably never saw before fangates.it
1079
Survivorship bias is the logical error of concentrating on people/things that made it past some selection process and overlooking those that did not, typically because of their lack of visibility. This can lead to some false conclusions. This is an example buff.ly/2pq8yTq
1080
The Pacific Ocean encompasses ~ 1/3 of the Earth's surface and it's larger than Earth's entire landmass combined. This satellite photo composite taken in 2014 (with four tropical cyclones) also shows the 'Pacific perspective': a planet covered by water buff.ly/3qNIIbG
1081
The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS₂. It can be found in nature with almost perfect cubic formations like these ones [read more: buff.ly/2Llz1Lw] [image: buff.ly/2JdbqMk]
1082
The idea that you can convert your dog's age to human years by multiplying by 7 is a total myth. Now researchers have developed a formula based on changes to DNA over time: multiply the natural logarithm of your dog's age in years by 16, then add 31 buff.ly/35fZJii
1083
The largest known species of jellyfish, the lion’s mane, has tentacles that can extend more than 30 meters (100 feet), longer than a blue whale
[read more: buff.ly/2lEyqK6]
[source of the gif, by Cinematic buff.ly/37ggV9p]
1084
Manganese Nodules are found at the bottom of the ocean and they contain all the components needed for electric car batteries. Its estimated there are enough nodules to create over 200 million batteries and their worth is estimated up to 16 trillion dollars ow.ly/7DZH50xdzFJ
1085
The giant-impact hypothesis suggests that the Moon formed out of the debris left over from a collision between Earth and a planet the size of Mars, approximately 4.5 billion years ago
[read more: buff.ly/2kGyEzH]
[source: streamable.com/5ewy0]
1086
Often shared as Koko's final message to humanity delivered before her death, this clip is actually a public service announcement addressed to COP21 for which the gorilla who learned the sign language received a script
[fact check: buff.ly/3Aw8FT7]
1087
This rotating circles tricks you into believing the shaped are 3D, but they're not
[location, Marwell Zoo, Winchester, UK]
[source: Jessie Younghusband School]
1088
The versatile articulated aerial robot DRAGON can manage aerial manipulation and grasping by vectorable thrust control
[full video: buff.ly/3Av10o0]
1089
In the 20 years before Einstein died, he almost never accepted invitations to speak at universities. In 1946 he broke his self-imposed rule to give an address in Philadelphia
[read more: bit.ly/2CCHh92]
[source of the colorized photo: buff.ly/3co9eBB]
1090
A mathematical coincidence occurs when two expressions with no direct relationship show a near-equality which has no apparent theoretical explanation. These two, involving e, π, square roots and the mumbers 3, 4, 5, 6 and 7 is quite stunning
[read more: buff.ly/3yZw8ZE]
1091
On April 5, 2008, the Japanese spacecraft Kaguya captured this full Earth-rise over the Moon limb in high resolution
[source: buff.ly/3aHI99o]
1092
Project Soli developed an interaction sensor using radar technology. The sensor can track sub-millimeter motions at high speed and accuracy. It fits onto a chip, can be produced at scale & built into small devices & everyday objects buff.ly/2oLbpa4
1093
Researchers have discovered that one population of white-faced capuchin monkeys in Panama have entered the Stone Age. The monkeys have started using stone tools to break nuts and shellfish, making them the fourth type of primates to do so after us [more: buff.ly/3EVdTqB]
1094
The Banff Wildlife Crossings Project was implemented in Banff, Alberta. Combined with fencing to keep the animals off the road, the structures have reduced animal-vehicle collisions in the area by more than 80% (>96% for elk and deer alone)
[read more: buff.ly/3ACNWu4]
1095
This famous video shows Mount Tavurvur's spectacular explosion of August 29th, 2014. It also contains a bonus: the impressive visible and audible shockwave
[full video, Abyssius: buff.ly/2pOqVB4]
1096
The open-source project Precious Plastic offers free training and open-source machines to collect plastic, shred it into small flakes and make 3D printer filament obtaining pellets for 3D printing
[learn more: preciousplastic.com]
1097
Parrots exhibit a high level of social intelligence and cooperativeness. Using token exchanges for nuts, the experiment showed they readily help others, even when there is no immediate opportunity for reciprocation
[read more: buff.ly/3TVpGwC]
1098
Does the Sun always rise in the same direction? No. This composite image by Luca Vanzella shows the direction of sunrise every month during 2021 as seen from the city of Edmonton, Alberta, Canada
[source, read more: buff.ly/3FWl9Ef]
1099
In 1930, the Indiana Bell building - an 8-story steel and brick building made in 1907 - was moved 16 meters to the south, rotated 90° and then moved 30 meters to the west. The task took 4 weeks to complete and the company did not loose a single day of work buff.ly/2NTGHsm
1100
Grasp it is a compact and portable 'classroom in a box' which helps people who are learning about science and engineering to better understand and visualise structural behaviour
[read more: grasp.it]
[video: buff.ly/3F3hoeY]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links