Anodization of titanium: by using electrochemistry one can controllably form an oxide layer on top of metallic titanium, which gives the material a vivid color through thin film interference6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Using various small-scale writing techniques to visualize the transition from the nano scale to the visible world using a penny6yr ⋅ crnaruka ⋅ r/educationalgifs
In the absence of gravity flames will tend to be spherical as shown in this NASA experiment in space6yr ⋅ crnaruka ⋅ r/educationalgifs
Plants grown on a space station can still grow normally even when there is no gravity to define an up-down axis6yr ⋅ crnaruka ⋅ r/educationalgifs
An effect called flux pinning allows some superconductors can stably levitate above (and below) a permanent magnet6yr ⋅ crnaruka ⋅ r/educationalgifs
Supercooled water is so cold that it can freeze immediately when it is disturbed, for example by being poured into a different container6yr ⋅ crnaruka ⋅ r/educationalgifs
Throwing a fine substance like sand on superheated water can cause it to boil all at once in what is called a steam explosion6yr ⋅ crnaruka ⋅ r/educationalgifs
Atomically thin sheets of graphene can be cut in a zigzag pattern similar to paper kirigami to create sheets that can elastically be stretched and contracted like an accordion6yr ⋅ crnaruka ⋅ r/educationalgifs
Turning cotton wool into artificial silk: the synthesis of rayon fibers6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Applying high pressure to paper causes it to heat up to the point that its cellulose fibers can undergo partial pyrolysis turning it into a brittle charred mess6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
When drying a solution of small and uniform particles, they often tend to spontaneously self assemble into a close packed crystal, an effect that is surprisingly due by entropy6yr ⋅ crnaruka ⋅ r/educationalgifs
As a soap bubble merges with a soap film, it often doesn't merge all at once as a daughter bubble can be pinched off in the process6yr ⋅ crnaruka ⋅ r/educationalgifs
A butterfly's iridescent wings can change color when soaked in a liquid, but the original color returns when the liquid evaporates6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
A time lapse reveals the fascinating details of how a snowflake forms6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
A non-Newtonian liquid can climb up the sides of a spinning rod in what is called the Weissenberg Effect7yr ⋅ crnaruka ⋅ r/educationalgifs
Pulling apart duct tape causes chemical bonds to break which indirectly gives rise to a faint blue glow in an effect called triboluminescence6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How you can hide the image of an LCD by removing the top polarizer and then make it visible again using polarizing glasses6yr ⋅ crnaruka ⋅ r/WatchandLearn
Dielectric breakdown - or how electricity finds the path of least resistance: a strong enough voltage can strip electrons from atoms, turning a normally insulating gas into a conductor7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
The Original Brexit: An artist's rendition of depiction of the ancient waterfalls at Dover Strait that eventually may have unleashed a flood creating the English Channel that separated Britain from Europe6yr ⋅ crnaruka ⋅ r/europe
As liquid bismuth cools, it not only crystalizes, but it also forms an iridescent oxide layer on its surface that gives it a vividly colorful and varied appearance6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
H2O is not always wet - Dry steam can even set objects on fire6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
In the absence of an external barrier, when two nanocrytals meet they can fuse together: here is an example of two FeO nanoparticles merging under an electron microscope6yr ⋅ crnaruka ⋅ r/educationalgifs
Exposing a sheet of thermochromic liquid crystals to heat causes a change in its structure that results in a vivid change in color7yr ⋅ crnaruka ⋅ r/educationalgifs
Rotating airflow can turn a regular fire into a spinning column of flame called a fire whirl7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Watching a crystal of GaAs growing one layer of atoms a time using an electron microscope5yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
A simulation for how octanethiol molecules bond to a film of gold and then self-assemble into a well ordered monolayer (SAM)6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Passing a high powered laser beam across a slab of gold releases a foam of red gold nanoparticles6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
The Intermediate Axis Theorem: Why you can easily spin a rectangular box around two axes but it quickly wobbles out of control if you try to spin it along its intermediate axis6yr ⋅ crnaruka ⋅ r/educationalgifs
A demonstration of how rotating airflow can turn a regular fire into a spinning column of flame called a fire whirl7yr ⋅ crnaruka ⋅ r/educationalgifs
As a soap bubble merges with a soap film it often does so in a step-wise fashion, pinching off smaller and smaller daughter bubbles7yr ⋅ crnaruka ⋅ r/educationalgifs
An animated map made by ESRI UK showing how far you can travel by car from central London in one hour at different times of the day on a typical Friday6yr ⋅ crnaruka ⋅ r/europe
Using various small-scale writing techniques to visualize the transition from the nano scale to the visible world using a penny7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Using two-photon polymerization to build a spaceship model at the micrometer scale7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
By creating a foam that is attracted to oil it is possible to create a sponge that can soak up oil from water7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
When you cool helium-4 below below 2K it becomes a superfluid that has zero viscosity; among other things this allows it to escape containers by climbing over their walls6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
When a drop of water falls onto the surface of a larger body of water, the drop doesn't fall right in; instead it merges in a series of steps, often launching a series daughter droplets upward7yr ⋅ crnaruka ⋅ r/educationalgifs
Seeing carbon atoms moving to break bonds and form new ones in a sheet of graphene under an electron microscope6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How spiral galaxies work: the spiral arms are not made up of a fixed set of stars (left), instead they are an ever-changing region of high density where stars constantly move in an out (right)8yr ⋅ crnaruka ⋅ r/educationalgifs
A thin film of liquid on a solid support will reflect different colors of light based on its thickness through optical interference - this effect is nicely illustrated by the colorful rings formed by propane evaporating on a silicon wafer6yr ⋅ crnaruka ⋅ r/educationalgifs
Exposing a sheet of thermochromic liquid crystals to a source of heat causes a local shift in its structure that produces a vivid change in color7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Today marks the 25th anniversary of the signing of the Maastricht Treaty, formally called the Treaty on European Union, which established the European Union7yr ⋅ crnaruka ⋅ r/europe
Water is diamagnetic; that means that objects full of water, even living things like frogs can be levitated above a powerful enough magnet7yr ⋅ crnaruka ⋅ r/educationalgifs
The transition from paramagnetism to ferromagnetism: a hot piece of iron is only weakly attracted to a permanent magnet above, but as it cools below the Curie temperature it quickly jumps up towards the magnet7yr ⋅ crnaruka ⋅ r/educationalgifs
How Galaxies Form: A simulation from NASA shows how patches of stars and dust merge together into galaxies7yr ⋅ crnaruka ⋅ r/educationalgifs
As propanol evaporates from a spinning silicon wafer, it creates colorful rings due to thin film interference7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Using microfluidics to create a well-defined double emulsion of microparticles6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Two modes of a gas fire: a plume of heptane starts burning with a bright orange flame but then turns into a blue whirl, showing the onset of complete combustion6yr ⋅ crnaruka ⋅ r/educationalgifs
A fountain effect during the reaction of copper with concentrated nitric acid as water is drawn back from the exhaust reservoir into the reaction flask, dissolving the brown nitrogen dioxide gas and leaving behind a vivid blue solution6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
The Intermediate Axis Theorem: Why you can easily spin a rectangular box around two axes but it quickly wobbles out of control if you try to spin it along its intermediate axis6yr ⋅ crnaruka ⋅ r/WatchandLearn
Diamond conducts heat so efficiently that you can cut a slab of ice by lightly pushing with a piece of diamond and letting heat flow from your hand melt the ice6yr ⋅ crnaruka ⋅ r/WatchandLearn
Dielectric breakdown: how electricity finds the path of least resistance7yr ⋅ crnaruka ⋅ r/educationalgifs
Copper wire stays red hot as its surface catalyzes the (very exothermic) oxidation of acetone vapor7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Cats can deploy their whiskers forward in order to pinpoint and target prey close to them6yr ⋅ crnaruka ⋅ r/educationalgifs
The transition from incomplete combustion to complete combustion makes a bright orange flame become pale blue7yr ⋅ crnaruka ⋅ r/educationalgifs
A simple demonstration of the principle of classical relativity - to an observer on the ground, a ball shot from the back of a moving car at the same speed as the car appears to simply fall down as if dropped from standstill7yr ⋅ crnaruka ⋅ r/educationalgifs
A cavitation bubble collapsing and nucleating a rush of new bubbles in the process6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Metallic silver forms like snow when a chunk of zinc is dropped into a solution of silver nitrate6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
A spectacular view of dusk enveloping the town of Mostar in the Federation of Bosnia and Herzegovina7yr ⋅ crnaruka ⋅ r/europe
The beam of an electron microscope shows how a gap forms at the atomic level in a strip of gold atoms7yr ⋅ crnaruka ⋅ r/educationalgifs
The color of an object doesn't just depend on its chemical structure, but also on how it's lit | A classical example is the Lycurgus Cup, which looks green when it is front-lit, but red when it is back-lit7yr ⋅ crnaruka ⋅ r/educationalgifs
How metallic bonds can form when two pieces of gold are brought together in a vacuum - cold welding7yr ⋅ crnaruka ⋅ r/educationalgifs
Raised-Relief Map of Central and Eastern Europe by Anton Balazh [5000px x 5000px]8yr ⋅ crnaruka ⋅ r/MapPorn
Creating colorful crystal trees: The crystallization of potassium phosphate dissolved in water together with a food colorant can produce beautiful crystals that match the template they form on7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Laser light can flow along a liquid stream due to an effect called total internal reflection6yr ⋅ crnaruka ⋅ r/WatchandLearn
Colloidal spheres in solution spontaneously self assemble into a close packed crystal as the water evaporates7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How a laser can be powerful enough to clear rust from a metal surface but also gentle enough to (mostly) eliminate ink from a piece of paper without setting the paper on fire7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Blasting a chunk of silver with laser rips nanoparticles from the surface, creating a yellow colloidal solution7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
A butterfly's wings can change color when soaked in a liquid, but the original color returns when the liquid evaporates8yr ⋅ crnaruka ⋅ r/educationalgifs
Atomically thin sheets of graphene can be cut in a zigzag pattern similar to paper kirigami to create sheets that can elastically be streched and contracted like an accordeon6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
The violent reaction between sodium metal and chlorine gas to produce NaCl or table salt6yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Combustion of a fuel mixture in microgravity leads to a spherical flame8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Two gold nanoparticles move towards each other under the beam of an electron microscope until they merge together8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How the world avoided losing its protective layer of ozone: the effect of the Montreal Protocol in reducing the use of chlorofluorocarbons on ozone concentration across the globe7yr ⋅ crnaruka ⋅ r/educationalgifs
In 4 billion years our galaxy the Milky Way will collide with Andromeda; NASA created this animation of what the collision and eventual merger will look like7yr ⋅ crnaruka ⋅ r/educationalgifs
A global map of the variation in surface temperatures made by NASA shows how 2016 was the warmest year on record7yr ⋅ crnaruka ⋅ r/educationalgifs
How supercooled water can freeze immediately as it is poured into a different container7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How the bark of cork trees is extracted using traditional methods in Portugal as the first step in cork production6yr ⋅ crnaruka ⋅ r/educationalgifs
Burning pure methanol (left) and pure ethanol (right): the difference in flame color caused by incomplete combustion8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Noise level from natural sources (excluding humans and human activity) in the United States [6600 × 3507]8yr ⋅ crnaruka ⋅ r/MapPorn
An orange fire whirl turns into a blue whirl, indicating the onset of complete combustion8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
How the color of a nano-sized chunk of a semiconducting material can change as it grows in size: the growth of CdSe quantum dots in solution6yr ⋅ crnaruka ⋅ r/WatchandLearn
The Coffee Ring Effect: The mechanism for how many solutions evaporate and leave behind rings of particles7yr ⋅ crnaruka ⋅ r/educationalgifs
A slow motion video shows in detail how a bubble bursts and collapses8yr ⋅ crnaruka ⋅ r/educationalgifs
Time-lapse photography of a snowflake forming under a microscope8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Throwing sand into superheated water can cause a steam explosion7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Optical tweezers: how a beam of light can be used to trap and move small objects7yr ⋅ crnaruka ⋅ r/educationalgifs
How you can control exactly how many layers of titanium dioxide you add to a surface through atomic layer deposition (ALD)7yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Time lapse video of silver dendrites forming around a copper disk through redox chemistry8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Directly writing bowtie antennas in gold through focused ion beam milling8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Average cloud coverage on Earth as measured by NASA between 2002-2015 [3,600px × 2,000px]7yr ⋅ crnaruka ⋅ r/MapPorn
How you can control exactly how many layers of titanium dioxide you add to a surface through atomic layer deposition (ALD)8yr ⋅ crnaruka ⋅ r/educationalgifs
Travel duration by train from Vienna to all corners of the Austro-Hungarian Empire in 19126yr ⋅ crnaruka ⋅ r/europe
Cold Welding of Two Nanowires Seen under an Electron Microscope8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
In an effect called crown shyness, the crowns of neighboring trees often don't touch but leave a gap that tightly traces the boundary between them6yr ⋅ crnaruka ⋅ r/interestingasfuck
A lone tree with its patch of grass stands out in a freshly plowed field awaiting the spring planting in the Danube valley of the Serbian Banat | Vlada Marinkovic6yr ⋅ crnaruka ⋅ r/europe
The basic electronics of a typical (resonant) antenna: an incoming radio wave (green) causes a standing wave of voltage (red)8yr ⋅ crnaruka ⋅ r/educationalgifs
A silica microtube shooting out from a reactant loaded polymer bead8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Molten pyroxene produces a bright flash as it solidifies due to recalescence8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
This photo was taken last week in eastern Ukraine: Ukrainian servicemen fire a howitzer close to the frontline near the village of Novoluhanske6yr ⋅ crnaruka ⋅ r/europe
Touching a patch of super-cooled liquid allows it to quickly crystallize and to start fluorescing strongly8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
Growing CdSe Quantum Dots: Changing the color of nanostructures by controlling their size8yr ⋅ crnaruka ⋅ r/chemicalreactiongifs
The first rays of sunlight illuminate the border between Serbia and Republika Srpska across the blue rivers of the Drina River flanked by Mount Tara| ©Uros Petrovic6yr ⋅ crnaruka ⋅ r/europe
A molecular simulation shows the dynamic nature of a surface of water with molecules continuously flying off into the gas phase and molecules from the vapor condensing down into the liquid7yr ⋅ crnaruka ⋅ r/educationalgifs
The water of Krupaj spring in eastern Serbia takes a crisp blue hue, typical of the karst topography where it forms | by Milos Krstic6yr ⋅ crnaruka ⋅ r/europe
A campaign flyer of the Democratic Unionist Party of Northern Ireland from 1975 urging voters to reject the UK referendum to join the European Community/Common Market ... and the Antichrist6yr ⋅ crnaruka ⋅ r/europe
Specially Trained Anti-drone Eagle Taking Down Its Prey in Katwijk, Netherlands8yr ⋅ crnaruka ⋅ r/europe
The Serbian Trail of Tears: Ethnic Serb Civilians Fleeing Croatia after Operation Storm in August, 1995 [745 x 1,029]9yr ⋅ crnaruka ⋅ r/HistoryPorn
A golden sunset paints the lonely road towards the village of Sirogojno on the slopes of Mt. Zlatibor in Western Serbia | Milos R Bulatovic6yr ⋅ crnaruka ⋅ r/europe
In 4 billion years our galaxy the Milky Way will collide with Andromeda; NASA created this animation of what the collision and eventual merger will look like7yr ⋅ crnaruka ⋅ r/space
Divni divovi - Wonderful giants | How the same Proto-Indo-European word for God eventually gave rise to two different Serbo-croatian words through two very different etymological (and geographic) paths6yr ⋅ crnaruka ⋅ r/etymologymaps
Germany: Political Structure - maps produced in the Federal Republic of Germany after WWII sometimes showed the former Germany territories as being under Soviet and Polish administration6yr ⋅ crnaruka ⋅ r/europe
Witchcraft trials and number of executions in selected European countries: 1300-18507yr ⋅ crnaruka ⋅ r/europe
How putting tape on frosted glass makes it clear again: the result of reducing scattering7yr ⋅ crnaruka ⋅ r/educationalgifs
Projected Population Change in EU Member States with and without Migration: 2017-20507yr ⋅ crnaruka ⋅ r/europe
A colourful morning over the Dinaric Alps near Borcane, Serbia | © Mina Jevremovic6yr ⋅ crnaruka ⋅ r/europe
Space imagery near the Iberian Peninsula shows how ships crisscrossing the Atlantic create visible tracks in the clouds, similar to plane contrails6yr ⋅ crnaruka ⋅ r/europe
Hikers are up and about early to catch a colourful sunrise on the mountainous trails of National Park Sutjeska, Republika Srpska | Rose Corbet6yr ⋅ crnaruka ⋅ r/europe
A research group from Argentina created a micron-scale sketch of Argentina to showcase a patterning technique, and they made sure to also include micron sized Falkland Islands [777 x 777]6yr ⋅ crnaruka ⋅ r/MapPorn
Sand blowing into a snowy Europe from the Sahara this March; it was this sand gave the snow an orange hue in some parts of Europe6yr ⋅ crnaruka ⋅ r/europe
Animated population pyramids showing the recorded and projected change in the population structure for a few representative European countries: 1992-20506yr ⋅ crnaruka ⋅ r/europe
Projected change in annual and summer precipitation from the period 2071-2100 compared to the baseline period 1971-20007yr ⋅ crnaruka ⋅ r/europe
Opinions on acceptable male behaviour vary by age, sex and nationality, surveying The UK, France, Germany, Sweden, and The US6yr ⋅ crnaruka ⋅ r/europe
Major attacks in Western Europe, Sep. 11, 2001 to March 23, 2017 by affiliation of attackers7yr ⋅ crnaruka ⋅ r/europe
The Slavic Tribes of Europe during the Early Middle Ages: 7th - 9th century [1540 X 1442]9yr ⋅ crnaruka ⋅ r/MapPorn
