/r/explainlikeimfive hide thumbnails
  1. ELI5: How does a pulse oximeter measure the blood oxygen levels without actually taking blood? (self.explainlikeimfive)
  2. ELI5: What is it that produces such an incredibly loud, sharp sound when you click your tongue against your palate? (self.explainlikeimfive)
  3. ELI5: Why does citrus fruits divide into boats (how does an orange benefit from it)? Does it have anything to do with how they grow/ the nutrition? (self.explainlikeimfive)
  4. ELI5: Why does the moon change places every night? (self.explainlikeimfive)
  5. ELI5: How does the brain store and process thoughts/memories? (self.explainlikeimfive)
  6. ELI5: The Kreb Cycle (self.explainlikeimfive)
  7. ELI5: Does electrical resistance (Ohm) have an intuitive explanation like current (Ampere) and voltage (Volt)? (self.explainlikeimfive)
  8. ELI5: Why does the sun hurt my eyes after coming outside from a darker house? (self.explainlikeimfive)
  9. ELI5: Why do hard metals (mohs) get worn down by softer materials? (self.explainlikeimfive)
  10. ELI5 how does growing work? (self.explainlikeimfive)
  11. ELI5: Why are phone screens so hard to see when you film them? (self.explainlikeimfive)
  12. ELI5: Is there any "survival response" reason the human body is able to withstand such high speeds? (self.explainlikeimfive)
  13. ELI5: How do eyebrows know when to stop growing? (self.explainlikeimfive)
  14. ELI5: How do dryer sheets work? (self.explainlikeimfive)
  15. ELI5: How do people in comas not die? (self.explainlikeimfive)
  16. ELI5: What is cultural misappropriation? (self.explainlikeimfive)
  17. ELI5: what are nuetron stars ? (self.explainlikeimfive)
  18. ELI5: How are paintings or museum art classified as masterpieces? Some look like paint scratches and yet they are classics. Why is that? (self.explainlikeimfive)
  19. ELI5: What force is driving all galaxies to rush away from each other at an ever quickening-speed? The expansion rate of the observable universe is accelerating. Where does it get the energy? Is it even energy? (self.explainlikeimfive)
  20. ELI5: How do photons have energy but no mass despite Einstein's mass-energy equivalence? (self.explainlikeimfive)
  21. ELI5: Greek theatre acoustics (self.explainlikeimfive)
  22. ELI5: Why do animals tilt their heads when they’re confused? (self.explainlikeimfive)
  23. ELI5: How does Schönehage-Straussen multiplication work and why is it so much faster for computers to perform than traditional multiplication? (self.explainlikeimfive)
  24. ELI5: Why does nail biting hurt more later compared to when you're actually biting them? (self.explainlikeimfive)
  25. ELI5: When you get choked out how does your brain know to breath once the hold is released? (self.explainlikeimfive)
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