{"version":"1.0","type":"rich","provider_name":"Capsule","provider_url":"https://joincapsule.org","title":"The Equivalence of Mass and Energy","author_name":"Capsule","html":"<iframe src=\"https://joincapsule.org/capsules/mass-energy-equivalence/embed\" width=\"480\" height=\"220\" style=\"border:0;border-radius:12px;max-width:100%;\" title=\"The Equivalence of Mass and Energy on Capsule\" loading=\"lazy\"></iframe>","width":480,"height":220,"thumbnail_url":"https://fxtvqmiaaikrlnjw.public.blob.vercel-storage.com/gk/mass-energy-equivalence/3-gPg8hBPhEUmAS7Wd840EyWLeB1LNeg.jpg"}