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.

Medijski sadržaj

  1. 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: ]

  2. 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:

  3. 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): ]

  4. 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: ]

  5. 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

  6. 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

  7. 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

  8. 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

  9. prije 9 sati

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

  10. 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

  11. 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 ]

  12. prije 10 sati

    Have you ever wondered why cockroaches are so hard to get rid of? Scientists have put them before a series of obstacles to find out how tough they really are—and the results are creepier than you imagined

  13. 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

  14. prije 11 sati

    Airtrax omni-directional technology allows this Sidewinder Lift Truck to move forward, diagonally, laterally, in any direction at all

  15. prije 12 sati

    This majestic, large-end side view of comet was taken by in 2015

  16. prije 12 sati

    The unforgotten astronaut John Young took this scenic view of billowy clouds with the Space Shuttle Challenger STS-41B flying to space in 1984

    Prikaži ovu nit
  17. prije 12 sati

    Reflected in nearby water, 's Space Shuttle Challenger STS-41B blasts off in 1984

    Prikaži ovu nit
  18. prije 12 sati

    Rewind the Red Planet and see the surprising ways Mars has changed in 3 billion years

  19. prije 12 sati

    This Samsung display on truck's rear lets vehicles behind see the road ahead

  20. prije 13 sati

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

Čini se da učitavanje traje već neko vrijeme.

Twitter je možda preopterećen ili ima kratkotrajnih poteškoća u radu. Pokušajte ponovno ili potražite dodatne informacije u odjeljku Status Twittera.

    Možda bi vam se svidjelo i ovo:

    ·