29 May 2015
Ernest Chladni, often called the “father of acoustics,” is best-known for inventing a technique to show the various modes of vibration (resonance) of a rigid surface. By covering a metal plate in sand and running a violin bow along the edge, resonance could be visualized by the patterns that formed in the sand. These patterns are now known as Chladni figures.
Modern-day versions of this experiment simply require a speaker situated beneath a metal plate. As the frequency of the soundwaves is increased, the sand will realign at each resonant frequency of the metal plate. The higher the frequency, the more complex the Chladni figure.
Source: https://youtu.be/wvJAgrUBF4w
Learn More: http://skullsinthestars.com/2013/05/02/physics-demonstrations-chladni-patterns/
#ScienceGIF #Science #GIF #Acoustics #Chladni #Pattern #Resonance #Physics #Audio #Frequency #Vibration
View Original Post on Google+
29 May 2015
The aurora australis (southern lights) are caused by charged particles from the Sun interacting with the upper atmosphere. These solar particles are accelerated by the Earth ‘s magnetic field towards the geomagnetic poles where they ionize gases in the atmosphere and produce light.
Source: https://youtu.be/B6Ol6gkKYr4
#ScienceGIF #Science #GIF #Space #ISS #Aurora #AuroraAustralis #Atmosphere #Antarctica #NASA #ESA
View Original Post on Google+
28 May 2015
Neutrophil (white blood cell) chases down a Staphylococcus aureus bacterium and consumes it via phagocytosis. The neutrophil follows the bacterium ‘s chemical trail via a process called chemotaxis. Once within the white blood cell, the bacterium is destroyed by enzymes and toxic peroxides.
Source: https://youtu.be/JnlULOjUhSQ
#ScienceGIF #Science #GIF #Phagocytosis #WhiteBloodCell #ImmuneSystem #Bacteria
View Original Post on Google+
28 May 2015
The Soyuz TMA-16M (Expedition 43) mission docking with the International Space Station (ISS) on March 28th, 2015. The level of precision required for a successful docking is incredible.
Source: https://youtu.be/ZOS66yG2cIk
#ScienceGIF #Science #GIF #NASA #ISS #Soyuz #Space
View Original Post on Google+
27 May 2015
The smoke point of canola oil is 400°F while the boiling point of water is only 212°F. Therefore when water is poured onto oil it sinks (higher density) and immediately boils. The resulting steam forces the burning oil upwards and causes a fireball to explode out of the pot.
Source: https://youtu.be/PbgdRR4yj8Y (The Slow Mo Guys)
#ScienceGIF #Science #GIF #Fire #Explosion #Boiling #Safety
View Original Post on Google+
27 May 2015
NASA’s New Horizons spacecraft is scheduled to fly past the dwarf planet Plato on July 14, 2015. This image sequence shows Charon, Pluto ‘s largest moon, orbiting around their common center of mass. These blurry images currently rival the best photographs of Pluto ever taken from Earth over 3 billion miles away.
Source: http://apod.nasa.gov/apod/ap150527.html
#ScienceGIF #Science #GIF #APOD #NASA #NewHorizons #Pluto #Charon #DwarfPlanet
View Original Post on Google+
27 May 2015
This sequence of images from NASA’s Curiosity rover captured sunset on Mars in the wake of a dust storm. Light scattering off the dust in the atmosphere caused the Sun to appear blue rather than the red we ‘re accustomed to on Earth.
Source: http://www.jpl.nasa.gov/news/news.php?feature=4581
#ScienceGIF #Science #GIF #NASA #Mars #Curiosity #Sunset #Martian
View Original Post on Google+
26 May 2015
Climbing vines require structural support during their growth. The swinging shoot tip is believed to help the plant locate a suitable support. Upon contact, the plant undergoes directional growth and the vine begins to curl around the support. This process is called thigmotropism.
Source: http://sciencetrack.blogspot.com/2007/07/twining-motion-of-vines.html
#ScienceGIF #Science #GIF #Botany #Timelapse #Plant
View Original Post on Google+
26 May 2015
Quantum locking (flux pinning) occurs when a superconducting object becomes trapped in a surrounding magnetic field. In this GIF, a superconducting disc is placed above a circular track of magnets where it levitates in place. A gentle push sets it into motion around the track. The disc can also be placed beneath the track and achieve the same effect.
Source: https://youtu.be/4HHJv8lPERQ
#ScienceGIF #Science #GIF #Quantum #Magnetism #Levitation
View Original Post on Google+
26 May 2015
Using a large array of mirrors to focus sunlight down to a small spot creates high enough temperatures to melt a piece of steel. Unlike the Mythbuster’s failed attempts, which were limited by using period-specific materials, modern-day technology is more than capable of harnessing the immense energy output by the Sun.
Source: https://youtu.be/8tt7RG3UR4c
#ScienceGIF #Science #GIF #Solar #Power #Melting #Focused #SolarPower
View Original Post on Google+
