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 ...

CHEC, one of the UK’s leading providers of community healthcare, has reinforced its commitment to care in the community by donating £1,000 to OPAL, a Leeds-based charity dedicated to enhancing ...

Recruitment is a key feature of Suikoden 1 that sets it apart from its contemporaries. Most RPGs of the time featured a ...

This study proposes that digits develop through: (1) the deposition of a homogeneous opal layer and subsequent polygonization in the form of vertical columns; (2) preferential alteration of this layer ...

Find Opal Jewellery stock video, 4K footage, and other HD footage from iStock. Get higher quality Opal Jewellery content, for less—All of our 4K video clips are the same price as HD. Video Back Videos ...

Pixar’s Win or Lose (Disney+), the animation behemoth’s first ever original TV series, has had a troubled launch. Its release was delayed not once but twice, which is rarely a good sign. A ...

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The North-West University (NWU) has always been recognised for the excellent and energetic organised student life on its three campuses: Mafikeng, Potchefstroom and Vaal Triangle. This is largely due ...