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IT News<p>Bending Light, Bending Time: A DIY Polarizer Clock - Imagine a clock where the colors aren’t from LEDs but a physics phenomenon – polar... - <a href="https://hackaday.com/2025/01/07/bending-light-bending-time-a-diy-polarizer-clock/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/01/07/bendin</span><span class="invisible">g-light-bending-time-a-diy-polarizer-clock/</span></a> <a href="https://schleuss.online/tags/birefringence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>birefringence</span></a> <a href="https://schleuss.online/tags/polariscope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>polariscope</span></a> <a href="https://schleuss.online/tags/clockhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clockhacks</span></a> <a href="https://schleuss.online/tags/polarize" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>polarize</span></a> <a href="https://schleuss.online/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://schleuss.online/tags/colour" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>colour</span></a> <a href="https://schleuss.online/tags/clock" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clock</span></a> <a href="https://schleuss.online/tags/color" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>color</span></a></p>
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Heron&Fox Photo<p>A contender in this round of <a href="https://universeodon.com/tags/MinCup23" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MinCup23</span></a>, <a href="https://universeodon.com/tags/Calcite" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Calcite</span></a> comes in several forms, including <a href="https://universeodon.com/tags/Optical" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Optical</span></a> Calcite, sometimes called <a href="https://universeodon.com/tags/Iceland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Iceland</span></a> Spar or <a href="https://universeodon.com/tags/Iceland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Iceland</span></a> Crystal, the strong <a href="https://universeodon.com/tags/birefringence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>birefringence</span></a> properties are on display in this <a href="https://universeodon.com/tags/photograph" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photograph</span></a> as the <a href="https://universeodon.com/tags/crystal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>crystal</span></a> creates a small <a href="https://universeodon.com/tags/rainbow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rainbow</span></a>-like formation on the right side. This property has made it a candidate for the somewhat mysterious <a href="https://universeodon.com/tags/SunStone" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SunStone</span></a> from <a href="https://universeodon.com/tags/Viking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Viking</span></a> legend, able to find the Sun despite overcast conditions by looking for the double <a href="https://universeodon.com/tags/refraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>refraction</span></a>.<br>This form of calcite often cleaves into parallelepiped (parallelogram extended into 3D) sections, such as the one pictured.</p><p>Vote in <a href="https://universeodon.com/tags/MinCup23" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MinCup23</span></a>: <a href="https://www.mineralcup.org/2023/campaigns/campaigns/campaigns/round-2-match-5" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">mineralcup.org/2023/campaigns/</span><span class="invisible">campaigns/campaigns/round-2-match-5</span></a></p><p>Get a print with this image, or other merchandise at <a href="https://heronfox.pixels.com/featured/calcite-specimen-4-heron-and-fox.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">heronfox.pixels.com/featured/c</span><span class="invisible">alcite-specimen-4-heron-and-fox.html</span></a></p><p><a href="https://universeodon.com/tags/OpticalCalcite" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpticalCalcite</span></a>, <a href="https://universeodon.com/tags/IcelandSpar" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IcelandSpar</span></a>, <a href="https://universeodon.com/tags/Minerology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Minerology</span></a>, <a href="https://universeodon.com/tags/VoteCalcite" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>VoteCalcite</span></a>, <a href="https://universeodon.com/tags/Photograph" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photograph</span></a>, <a href="https://universeodon.com/tags/MacroPhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MacroPhotography</span></a></p>
Laura Cochran<p>The secret life of forks.</p><p><a href="https://universeodon.com/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://universeodon.com/tags/fotografia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fotografia</span></a> <a href="https://universeodon.com/tags/fotografie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fotografie</span></a> <a href="https://universeodon.com/tags/birefringence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>birefringence</span></a> <a href="https://universeodon.com/tags/secretlife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>secretlife</span></a> <a href="https://universeodon.com/tags/color" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>color</span></a> <a href="https://universeodon.com/tags/stilllife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stilllife</span></a> <a href="https://universeodon.com/tags/stilllifephotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stilllifephotography</span></a> <br><a href="https://universeodon.com/tags/LauraCochranPhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LauraCochranPhotography</span></a></p>
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