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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.
January 27, 2015
 
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.
January 12, 2015
 
Referenced in:
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.
January 8, 2015
 
Latest Audio/Podcasts
Snake Talk
October 31, 2011
 
Referenced in:
By Lauren K. Wolf
Stateside Strengths
October 30, 2011
 
Referenced in:
By Carmen Drahl
On Target
October 30, 2011
 
Referenced in:
By Carmen Drahl
A CHIRAL TWIST
August 18, 2011
 
Referenced in:
By Laura Cassiday