New research on oxygen and iron chemistry under the extreme conditions found deep inside Earth could explain a longstanding seismic mystery
called ultralow velocity zones.
Around the Earth's core - mantle boundary are regions
called ultralow - velocity zones (ULVZs), which are characterized by liquid rock with velocities up to 30 % lower than surrounding material.
For more than 2 decades, scientists have pondered the nature of these mysterious regions,
called ultralow - velocity zones (ULVZs).
Not exact matches
Called Skinput, the system is a marriage of two technologies: the ability to detect the
ultralow - frequency sound produced by tapping the skin with a finger, and the microchip - sized «pico» projectors now found in some cellphones.