The individual silica nanoparticles (glass beads, basically) are clear, but when packed together in certain configurations can give rise to flashes of color. This is due to Bragg diffraction off the ...
Taurus Daily Horoscope Today: In love today, show steady care through small but thoughtful acts.
Martha Stewart on MSN
How to clean a pebble shower floor—without damaging the stone or grout
Plus, a cleaning schedule to keep it gleaming.
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