#ScienceShorts
Intramuscular Injection 💉 कैसे काम करता है ❓
#Injection #Animation #Science #education #shorts
1초가 뭐냐고 물으면 선뜻 답할 수 있는 사람은 드뭅니다
원래 이 단위는 지구가 한 바퀴 도는 시간을 잘게 쪼갠 것이었습니다
그런데 그 지구가 기준 자리에서 밀려났습니다
대신 들어선 것도 자리를 오래 지키지 못할 것 같습니다
우리가 쓰고 있는 1초는 지금 판일 뿐입니다
이 영상의 수치와 원리는 아래에서 확인했습니다.
BIPM — 13차 국제도량형총회 결의 1 (1967, 초의 정의)
https://www.bipm.org/en/committees/cg/cgpm/13-1967/resolution-1
BIPM — 27차 국제도량형총회 결의 4 (2022, UTC의 사용과 향후 발전)
https://www.bipm.org/en/cgpm-2022/resolution-4
BIPM — 초의 재정의에 관한 FAQ (CCTF 로드맵 태스크포스)
https://www.bipm.org/en/faq-redefinition-second
NPL — 루이스 에센
https://www.npl.co.uk/about-us/history/famous/louis-essen
Science Museum Group — 세슘 원자시계, 1955
https://collection.sciencemuseumgroup.org.uk/objects/co855/caesium-atomic-clock-1955
#1초 #시간 #Shorts
Why Don't Birds Get Electrocuted on Power Lines? ⚡🐦
#Birds #Electricity #Science #Physics #DidYouKnow #AnimalFacts #Shorts #AtlasWhy #viral #reels #instagood
धमनी और शिरा में अंतर 🫀 | Artery vs Vein Difference | Science Biology | #shorts #scienceshorts
🫀 धमनी (Artery) और शिरा (Vein) में क्या अंतर होता है? 🩸
इस आसान 3D Biology Animation में जानिए मानव रक्त संचार तंत्र (Human Circulatory System) के बारे में।
इस वीडियो में आप सीखेंगे: ✅ धमनी का मुख्य कार्य
✅ शिरा का मुख्य कार्य
✅ धमनी और शिरा की दीवारों में अंतर
✅ शिरा के वाल्व का कार्य
✅ हृदय से शरीर तक रक्त का प्रवाह
✅ शरीर से हृदय तक रक्त की वापसी
📚 Class 10 ,12 Science | Biology | Board Exam Preparation
यह वीडियो Bihar Board, UP Board और अन्य बोर्ड के विद्यार्थियों के लिए उपयोगी है। Biology को आसान भाषा और 3D Animation के माध्यम से समझें।
📌 वीडियो पसंद आए तो Like करें, Share करें और Learn with ai को Subscribe जरूर करें।
#धमनीऔरशिरा #ArteryVsVein #Biology Class10Science BloodCirculation HumanCirculatorySystem ScienceInHindi BiologyAnimation BiharBoard UPBoard BoardExam learnwithai
धमनी और शिरा में अंतर, artery and vein difference, artery vs vein, धमनी का कार्य, शिरा का कार्य, blood circulation, human circulatory system, class 10 science biology, class 10 biology in hindi, रक्त संचार तंत्र, biology animation, science in hindi, Bihar Board class 10 science, UP Board class 10 science, board exam preparation, veins and arteries, heart and blood circulation.
Why do leaves change color in fall? 🍁 (Fall doesn’t paint them yellow.)
The yellow and orange were in the leaves all summer, hidden under green chlorophyll, the pigment that turns sunlight into sugar.
#science #didyouknow #physics #fallleaves
इंसान की पहली कलम कैसे बनी थी? 🖋️ #shorts #science
Why Is Space Completely Silent? #shorts
🧊 बर्फ पर नमक डालते ही वो जल्दी क्यों पिघलती है? | #sciencefacts #generalscience #polishyourknowledge #shorts #biologyfacts
TermiteQueen🤯
#InsectWorld #WildlifeFacts #NatureExplained #ScienceShorts AnimalFacts GeoWild BiologyFacts NatureDocumentary UndergroundWorld IncredibleNature DidYouKnow ShortsIndia
The science experiments you watched as a kid and never understood are even crazier when you learn what’s actually happening.
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Sodium acetate — the hot ice. A supersaturated solution that stays liquid until something disturbs it. Touch it with a single crystal and the entire liquid solidifies in seconds, releasing heat as it crystallizes. The solution was holding more dissolved material than it should have been able to — unstable, waiting for permission to snap back to solid. One touch and the whole thing cascades.
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The strawberry frozen instantly in a clear crystal shell — same principle. A supersaturated solution crystallizing on contact around anything placed inside it. The crystal structure builds outward from the surface of the object at a speed that looks like time-lapse but is happening in real time.
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Solid sodium dropped in water — a metal so reactive it bursts into flames on contact with moisture. The sodium donates electrons to the water so violently that hydrogen gas is released and immediately ignites. A metal that explodes when it gets wet.
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Reusable hand warmers use the same sodium acetate crystallization in a sealed pouch. Click the metal disc inside, it triggers crystallization, the pouch heats up to 54°C. Boil it to dissolve the crystals back into solution and it’s ready to use again. Infinite heat from a chemical reaction you can reset with hot water.
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The same chemistry powering four completely different things. That’s the part nobody tells you.
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🧪 Fun fact — sodium acetate crystallization releases exactly the same amount of heat energy every time regardless of how fast or slow it solidifies. The energy was stored when you dissolved it and is returned in full when it crystallizes. Chemistry keeping perfect accounts.
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Follow @learn.with.tunes for the science that makes you rewatch three times 👇
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#science #chemistry #experiments #facts #didyouknow
The Impossible Liquid That Defies Gravity! 🧪💧#PolyethyleneOxide #SelfPouringLiquid #ChemistryFacts #OddlySatisfying #ScienceShorts
توی یک قاشق آب چند تا اتم وجود داره؟! 🤯
فکر میکنی یک قاشق آب چقدر اتم داره؟ 🤯
از تعداد قاشقهای لازم برای خالی کردن اقیانوس اطلس شروع میکنیم و میرسیم به عددهای باورنکردنی مثل ۱۰ به توان ۲۳، ۱۰ به توان ۲۵ و حتی اعداد بسیار بزرگتر!
یک قاشق آب ساده، اما تعداد اتمهایی که داخلشه واقعاً باورنکردنیه! 🌊🥄
اگه از این دانستنیهای عجیب و علمی خوشت میاد، کانال «نوا» رو دنبال کن 🚀.
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