Massimo

@Rainmaker1973

Astronomy, astronautics, meteorology, physics. columnist. Engineer, trying to build the big picture of via pics, videos & links

Italy, North by Northwest
Vrijeme pridruživanja: kolovoz 2010.

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  1. Prikvačeni tweet
    1. pro 2019.
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  2. proslijedio/la je Tweet
    prije 14 sati

    A brine pool at the bottom of the ocean has a creepy, unreal emersion of an eel swimming out of it

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  3. proslijedio/la je Tweet
    prije 13 sati

    This picture of Ukraine’s Dnieper River captured by astronaut Tim Kopra in 2016 is not so famous, but it reveals the intrinsic beauty of the river basin's structure

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    prije 8 sati

    Sulfur hexafluoride (SF₆) has a density of 6.12 g/L at sea level, considerably higher than the density of air. It's therefore allowing experiments like this one [source and full video: ]

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  5. proslijedio/la je Tweet
    prije 16 sati

    Radon 220 is an unstable atom, and is releasing alpha particles (2proton 2 neutron) to try and stabilize itself. The white trails in the image are the alpha particles shooting out of the radon and leaving a mark on the water [more: ]

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  6. proslijedio/la je Tweet
    prije 15 sati

    The equinox clock is a dynamic moving timepiece which gradually changes shape throughout the day |

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  7. proslijedio/la je Tweet
    prije 14 sati

    This stunningly iridescent and rainbow-like member of the pheasant family, the Himalayan monal, is the national bird of Nepal

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  8. proslijedio/la je Tweet
    prije 10 sati

    «We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time» - T. S. Eliot [Mandelbrot set zoom, magnification 1 .. 3.18 × 10³¹ ]

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  9. prije 6 sati

    Some owls' distinctive round face is shaped like a satellite dish specifically to detect sound. Some others have one ear opening higher than the other to work out what height a sound is coming from as well as the direction [full video: ]

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  10. proslijedio/la je Tweet
    prije 15 sati

    Artist Jonty Hurwitz creates captibvating anamorphic sculptures that can only be seen in their own reflections or along a precise line of sight. He scans a three-dimensional object, then uses computational software to come up with new physical forms

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  11. prije 7 sati

    Blur your eyes and it looks like a fanciful depiction of sheet music. Unblur them and you'll see a bunch of pigeons on power lines. And someone turned the pigeons into music:

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  12. prije 8 sati

    This assembly video explains in simple and understandable steps the safe and successful assembly of rod seals using assembly pliers [source, full video (DE): ]

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  13. prije 8 sati

    Sulfur hexafluoride (SF₆) has a density of 6.12 g/L at sea level, considerably higher than the density of air. It's therefore allowing experiments like this one [source and full video: ]

    Poništi
  14. prije 8 sati

    In the Chil Balance sculpture by artist Bin Xu the mass and orientation of the wings creates a center of mass below this sleek bird's beak - making a system that will rotate and oscillate about a stable equilibrium, without magnets

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  15. prije 8 sati

    Webspinners shoot silk out from their front feet and the silk is the thinnest of any animal: their proteins transforms it when exposed to water making the silk more waterproof shielding the insects from water

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  16. prije 8 sati

    Grey seals discovered clapping underwater to communicate. Scientists have discovered that wild grey seals can also clap their flippers underwater during the breeding season, as a show of strength that warns off competitors and advertises to potential mates

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  17. prije 8 sati

    The sounds that wake us up could be affecting how groggy we are in the morning, new study shows. Harsh alarm tones can disrupt our brain activity when waking, while more melodic sounds can help us transition to a waking state in a more effective way

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  18. prije 9 sati

    60 years of information technology: the story behind this popular meme

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  19. prije 9 sati

    There's no rotational movement in this gif, but take a look at how a linear movement is transformed in a wave

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  20. proslijedio/la je Tweet
    prije 13 sati

    The Xiaozhai Tiankeng (小寨天坑), also known as the Heavenly Pit, is the world's deepest sinkhole

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  21. proslijedio/la je Tweet
    prije 11 sati

    The Changi Airport in Singapore has a 3 story slide (12 meters tall) where riders can expect to experience a top speed of 6 m/s while going down the slide in case they're late for their flights

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