776
This is a meteorite: the mixture of the iron-nickel alloy and olivine originated from a small protoplanet out of the dawn of the Solar System. And, bonus, it's perfectly polished [source, read more: buff.ly/2OIhfag]
777
The archerfish preys on land-based insects and other small animals by shooting them down with water droplets from their specialized mouths and can hit them up to 3 meters above the water's surface [read more: buff.ly/2pfHojA] [video, BBC: buff.ly/3pqmopH]
778
This is not a spiral: what you see is a series of concentric circle and the reason is the so called Fraser spiral illusion buff.ly/2J7lI0Y [this version is by @AkiyoshiKitaoka: ow.ly/3vHc30n6gSr]
779
The Philippine eagle is considered the largest of the extant eagles in the world in terms of length and wing surface. Being a critically endangered species, killing a Philippine eagle is punishable under Philippine law up to 12 years in prison [read more: buff.ly/2lKrawh]
780
Fertilization takes place in the fallopian tubes, which connect the ovaries to the uterus. The newly fertilized cell is called zygote: it moves and burrows into the uterus lining
[📹 design_cells, p1: buff.ly/3CaqwyI, p2: buff.ly/3yeReVR]
781
In this famous clip from his even more famous TV program Cosmos, Carl Sagan explains the fourth dimension of space-time, starting with another popular science story: Edwin A. Abbott’s Flatland
[full video: buff.ly/3nmrx0W]
782
This trampoline moving at constant velocity (and therefore not accelerated) shows you how the horizontal component of velocity in an acrobat motion remains constant
[📹, Dunking Devils Squad: buff.ly/2Gr3ri4]
[explanation: ow.ly/2WX930oetjg]
783
Cardboard boxes can be quite versatile packaging, especially if you learn to resize and recycle them. This series of simple steps allow you to change the geometric shape of a cardboard box
[read more: buff.ly/3RLyrs4]
784
A drone has been converted into a flying flamethrower in central China in a fiery campaign to eradicate more than 100 wasp nests. This is one of them
[fact check: buff.ly/3YbaNtC]
[📹bebeetok: buff.ly/3UOLFFT]
785
In an experiment, African grey parrots were taught to buy food using tokens. When paired up, without any incentive for sharing, parrots with tokens started to give some to their partners which had no tokens, so that everyone could eat [read more: buff.ly/35E2kTl]
786
Very rarely a roll cloud can turn into a spherical cloud, like this one observed over Japan in December 2016
[read more: bit.ly/2A52Hb0]
787
Ever wonder where your house was located 300 million years ago? Thanks to software engineer Ian Webster, now you can. His interactive map tracks how the globe has changed over the course of the last 750 million years and... lets you pinpoint your address buff.ly/2LbvRy1
788
This picture of the Thorntonbank offshore windpark in front of the Belgian coast perfectly shows the earth curvature
[source, read more: buff.ly/33A2csn]
789
This is what a spacecraft's wall looks like after an impact with a space debris of ~1.2 cm Ø at a speed of 21,760 km/h
[source, read more: buff.ly/2oIi8U8]
790
This is what newly hatched Komodo dragons look like. Six have hatched at the Bronx Zoo in December 2021 and it was the first time the species successfully bred in the 122 year history of the zoo institution
[video: buff.ly/3ErQNvi]
791
NASA only uses 15 digits of π for calculating interplanetary travel. At 40 digits, you could calculate the circumference of a circle the size of the visible universe with an accuracy that'd fall off by less than the diameter of a single hydrogen atom ow.ly/rhmO30o4k7G
792
Under specific conditions, the exhaust gas plume of a rocket can put on an amazing show of light and clouds, like this SpaceX Falcon 9 on October 8, 2018 captured in this remarkable timelapse by @EmericTimelapse [IG: buff.ly/3pdFKKN] [explanation: buff.ly/38aNyFD]
793
The emperor penguin is the tallest & heaviest of all living penguin species. An adult reaches 122 cm & ~30 kg. This is a 97 day old chick already at 14.1 kg. It has a special type of feather called down, lightweight & fluffy
[📹 Wakayama Adventure World]
794
This augmented reality environment is made from a simple PDF file, projecting a 2D image that looks real and helps create a floor plan for interior design and structures
[read more: buff.ly/3PwQAIX]
[📹 Adam Cook: buff.ly/3QzWRVM]
795
A bird's eye view of a high-speed train station in China
[📹 buff.ly/3RaKBum]
796
This is how prefabricated structural units allow a 10-storey building to be completed in 28 hours and 45 minutes
[📹 buff.ly/3WomsDR]
[read more: buff.ly/3vy5CHb]
797
Honda's Riding Assist technology, leverages robotics technology to create a self-balancing motorcycle
[read more: buff.ly/30YyJan-]
[source, Ali Naqvi: buff.ly/3nQ0n2m-]
798
Esper Bionics develops products in the areas of orthopedics and neurology. Their myoelectric hand prosthesis uses Machine Learning approach to recognize situations [seen in action: buff.ly/30VJM0K] [explained: buff.ly/3r4hJGY]
799
Un-bee-lievable: amateur photographer Kutub Uddin captured the moment a greedy bee flew headfirst into a flower in Hotham Park, Bognor Regis, West Sussex, UK [source, read more: buff.ly/2KL1lrd]
800
The bearded vulture is the only known animal whose diet is almost exclusively bone [read more: buff.ly/2FTYRrC]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links