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This split-frame high-speed video shows that the intense explosion of alkali metal droplets (Na/K alloy, top frame) on contact with water (first viewed from above the water surface, then below) is mediated by rapid formation of tiny spikes on the Na/K droplet surface. Water droplets (bottom frame) do not form spikes and do not, of course, react violently.
SLO-MO ERUPTION
January 27, 2015
 
Referenced in:
Why Sodium And Potassium Really Explode In Water
By Mitch Jacoby
Transmission electron microscope imaging of calcium carbonate nucleation shows formation of an amorphous particle that transforms into crystalline aragonite. Data were collected at 5 frames/second, three-quarters of the frames were discarded, and the movie plays at 12 times normal speed.
TWO-STEP
January 12, 2015
 
Referenced in:
Illuminating Crystal Nucleation
By Jyllian Kemsley
Drawing inspiration from biology, researchers have engineered a neural implant that is both flexible and mechanically robust, as demonstrated in this clip.
DURA-BLE
January 8, 2015
 
Referenced in:
Neural Membrane Inspires Improved Brain and Spine Implants
By Matt Davenport
Conductive MXene films can be now prepared more safely and conveniently than before. The new method avoids using hydrofluoric acid and yields an easily moldable clay.
FAST & EASY
January 5, 2015
 
Referenced in:
For Energy Storage, MXene Materials Show Increasing Promise
By Mitch Jacoby
Liquids from natural gas wells can contribute to methane emissions.
GASSY LIQUIDS
January 5, 2015
 
Referenced in:
Accounting For Methane Emissions From Oil And Gas Wells
By Matt Davenport