Source: KQED
</p> <p>Bio-engineers at Harvard University Wyss Institute created a stingray robot made of rat heart cells, that propels itself through water with the use of light — a creation that could be used for modeling artificial, non-mechanical hearts.</p> <p>The blueprint in itself, although unseemly, reflects many qualities of a natural human heart, explained lead engineer, Kit Parker. Like a stingray, the heart has to navigate the obstacles of fluid and motion, it has to make quick precise movements.</p> <p>The stingray model is made up of a golden skeletal frame, wrapped in transparent silicone and made up of 200,000 heart cells from a rat that are modified to react to light. Its function under light rather than electricity opens up a new door of possibilities for artificial hearts, as previous have been mechanical pumps that cannot grow or change over time, like cells can.</p> <p>Read full story at: <strong><a href="http://ww2.kqed.org/futureofyou/2016/07/07/video-scientists-create-artificial-stingray-from-rat-cells/" target="_blank" rel="noopener">KQED</a></strong></p> </div></div></div></div></div></div></div></section><section class="l-section wpb_row height_medium"><div class="l-section-h i-cf"><div class="g-cols vc_row via_flex valign_top type_default stacking_default"><div class="vc_col-sm-12 wpb_column vc_column_container video-post-content-block"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="wpb_text_column"><div class="wpb_wrapper"></div></div></div></div></div></div></div></section> </div><div class="w-separator size_custom" style="height:5px"></div><div class="w-post-elm post_taxonomy style_simple color_link_inherit"><i 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