Massimo(@Rainmaker1973)さんの人気ツイート(新しい順)

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Dendrosenecio kilimanjari is a giant groundsel found atop Mount Kilimanjaro in Africa. The giant grounsels of the genus Dendrosenecio evolved, about a million years ago, from a Senecio that established itself on Mount Kilimanjaro [read more: ow.ly/A2PL50Bdw1F]
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'Relativity' is a lithograph print by artist M. C. Escher, first printed in December 1953. It depicts a world in which the normal laws of gravity do not apply. This is an animated version of the famous artwork [source: buff.ly/3xkiJO2]
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Of the different species of armadillos, only the South American three-banded armadillos heavily rely on their armour for protection. When threatened by a predator, Tolypeutes species frequently roll up into a ball [read more: buff.ly/2lvfYUc]
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#Today in 1994, Netscape Navigator 1.0 browser was released [read more: buff.ly/3DxBVuq]
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This is how pregnancy shifts and moves the mother’s internal organs to make room for the baby [interactive version: buff.ly/2YJy5tm] [source, read more: buff.ly/3skUF9O]
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A Van de Graaf generator pulls electrons from Earth, moves them along a belt & stores them on a sphere. These electrons repel each other: when a student puts a hand on it, hair is the most obvious place they show up [📹 adbeahm: buff.ly/3FUEGqK]
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One of the expressive styles of artist David Popa is creating portraits on small ice floats using only charcoal and water [read more: davidpopaart.com]
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This device made by Chinesec company Zhenjia allows an easy and intuitive visualization of a model created with interior design software, giving the customer a near VR perspective [find more: zhenjia.cn]
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The Koch snowflake is a mathematical curve & one of the earliest fractals to have been described. It can be built up iteratively and the first stage is an equilateral triangle. It encloses a finite area, but has an infinite perimeter [source: buff.ly/3tUN68u]
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Artist Insane 51 created an art called "Double Exposure 3D" which uses 3D glasses to show different aspect of the same mural painting. This one was made in Bristol, UK [source, more artworks: buff.ly/3QKLXMm]
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The Gerenuk is is a long necked species of antelope which is often referred to as a giraffe necked antelope. They are an unusual looking creature because their head is rather small but their eyes and ears are big, giving them a very peculiar appearance buff.ly/2tn5r1k
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Ever wondered why you wake up even when the alarm clock isn't making jarring noises? Your body has a protein called PER that determines when you wake up. You may wake up X minutes before the alarm, to prepare your body for the stress caused by the alarm ow.ly/s4nw30o8Ioc
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Pac-Man grossed $1 billion in quarters in its first year of release. In the following year, 1982, it earned $6 billion in quarters, which was more than the combined amount of money spent in Vegas casinos and US movie theaters that year [read more: buff.ly/3UVkKZ7]
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Steve Joy built a coin operated feeding box for crows. And this is the proof crows can use a vending machine [full story and video: buff.ly/2yJWBQC]
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The Strokkur Geyser in Iceland has erupted every 4-8 minutes since a 1789 earthquake, except for a 60 year period in which the conduit was blocked by anotther earthquake. This is what it looks like seconds before the eruption [read more: buff.ly/2lpGZrR]
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Fun fact: the fusion chamber at the Lawrence Livermore's National Ignition Facility (which recently achieved a nuclear fusion reaction with Q > 1) provided backdrop for the warp core in "Star Trek: Into Darkness" (2013) [read more: buff.ly/3HCym8C]
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How a team of scientists has successfully "reawakened" cells from a 28,000-year-old woolly mammoth. The cells came from an extraordinarily well-preserved woolly mammoth discovered in Siberian permafrost in 2012 and nicknamed "Yuka" ow.ly/IlYU30o7bir
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Ron Coleman mine was and is the most productive quartz mine in Arkansas. It has been producing quartz crystals in large quantities since 1943. This is a big, beautiful quartz crystal cluster found in the mine [source, read more: ow.ly/WJIh50xukLs]
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This is a singularity-free, kinematically redundant, planar parallel mechanisms with unlimited rotational capability [full video by Laval University Robotics Laboratory: buff.ly/2DS8wLQ]
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How to find tardigrades in moss [🔬: Olympus CX31] [📹 Adolfo Sánchez-Blanco: buff.ly/3WiFKdp]
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Born #Today in 1923, Freeman Dyson was a legendary theoretical physicist and visionary technologist. He helped create modern particle physics, criticized nuclear weapons tests, and imagined how civilizations could take to the stars [read more: buff.ly/2Pt6mZp]
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Portalzkopes are kaleidoscope made with three angled mirrors, etched by hand and with cnc machines. The result with lights projected in them is quite impressive [Instagram: buff.ly/3sgFHl1] [site: portalzkopes.com]
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This is footage of a pseudo - melanistic tiger from a camera trap in Odisha Similipal National Park [read more: buff.ly/3j5Gvsh]
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Escher's Rubik's Cube [📹 Jagarikin]
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To understand recursion, one must first understand recursion. —Stephen Hawking [📹 Specoolar, HD: buff.ly/3PoWgVu]