Self-organizations of nanocrystals (Ag 2 S, Ag, Co, Au, CdSe) have been reported during the past decade. It is possible to make highly ordered spherical nanocrystals in compact hexagonal networks 1 ...

Flurries of questions about mysterious triangle-shaped snowflakes may soon subside, thanks to new research on snowflake formation. Most snowflakes are hexagons ...

Left to right: Peng Peng, Simon Cherry and Chih-Chieh Liu from the University of California, Davis. The spatial resolution of a PET image is mainly determined by the size of the scintillation crystals ...

Flurries of questions about mysterious triangle-shaped snowflakes may soon subside, thanks to new research on snowflake formation. Most snowflakes are hexagons because of the arrangement of hydrogen ...

Researchers captured sound fields around musical triangles. They wanted to understand the physical properties of the triangle instrument, test assumptions about the contribution of the triangle shape, ...

A description of a four-phase RC oscillator of a sinusoidal and rectangular shape is given. A triangular-shaped signal is obtained by the counterphase addition of half-waves of sinusoidal signals ...