random act of kindness pizza uproxx hospital restoring faith in humanity week cancer g rated win - 7667697408
Via Uproxx
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The mother of Hazel Hammersley, a young cancer patient at Los Angeles's Children's Hospital, passed the time by jokingly requesting a pizza delivery on the window to her child's room. When anonymous internet donations started bringing in pie after pie, the entire fourth floor of the hospital was able to join in on a pizza party!

Get the whole story and more pictures over at Uproxx!

nasa ion engine science space - 7537645568
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The solar-electric propulsion thruster pictured above ditches burning chemical fuel for xenon ions accelerated by an electric field generated using solar panels. This provides a steady stream of ions that can slowly nudge a spacecraft to high speeds with minimal fuel, making it a good choice for long-range missions.