Liquid methane is a cryo-genic (extremely cold) liquid that also happens to be flammable. The temperature difference between the flame and the liquid methane right below it is over 3000°F! Interestingly, because the liquid dances across the surface of the floor due to something called the Leidenfrost effect, the floor is likely colder after the demo than hotter. #chemistryexperiments #physics @jimmykimmellive #teachersofinstagram | Science Bob
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Liquid methane is a cryo-genic (extremely cold) liquid that also happens to be flammable. The temperature difference between the flame and the liquid methane right below it is over 3000°F! Interestingly, because the liquid dances across the surface of the floor due to something called the Leidenfrost effect, the floor is likely colder after the demo than hotter. #chemistryexperiments #physics @jimmykimmellive #teachersofinstagram | Science Bob
8K viewsMay 3, 2019
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Pyrex glass disappears in vegetable oil! Try putting a Pyrex glass measuring cup in a container of oil and you can see this effect yourself. This occurs because both Pyrex glass and cooking oil have the same index of refraction, meaning that they both allow light to pass through them at the same speed, causing the glass to disappear. Science! #scienceexperiments #chemistryexperiments #teachersofinstagram #sciencebob | Science Bob
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Pyrex glass disappears in vegetable oil! Try putting a Pyrex glass measuring cup in a container of oil and you can see this effect yourself. This occurs because both Pyrex glass and cooking oil have the same index of refraction, meaning that they both allow light to pass through them at the same speed, causing the glass to disappear. Science! #scienceexperiments #chemistryexperiments #teachersofinstagram #sciencebob | Science Bob
13.3K viewsDec 5, 2019
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The Coanda Effect is cool - it describes how air and water in motion follow curved surfaces. So as the air comes out of the leaf blower, it wraps around the curved sides of the bottle and bulb. When combined with the Bernoulli Principle, we get fun floating objects that stay in the air stream. Try it yourself and be sure to tag me, @sciencebob, so I can check it out! #physicsexperiment #chemistryexperiments #coandaeffect #teachersofinstagram | Science Bob
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The Coanda Effect is cool - it describes how air and water in motion follow curved surfaces. So as the air comes out of the leaf blower, it wraps around the curved sides of the bottle and bulb. When combined with the Bernoulli Principle, we get fun floating objects that stay in the air stream. Try it yourself and be sure to tag me, @sciencebob, so I can check it out! #physicsexperiment #chemistryexperiments #coandaeffect #teachersofinstagram | Science Bob
3.2K viewsJul 25, 2019
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Liquid nitrogen expands about 700% when it goes from a liquid to a gas exerting tremendous pressure on the sides of the bottle. The bottle fails at about 150 PSI (pounds per square inch) and the force from the expanding gas is no match for a watermelon. #chemistryexperiments #physicsfun #teachersfollowteachers #sciencebob | Science Bob
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Liquid nitrogen expands about 700% when it goes from a liquid to a gas exerting tremendous pressure on the sides of the bottle. The bottle fails at about 150 PSI (pounds per square inch) and the force from the expanding gas is no match for a watermelon. #chemistryexperiments #physicsfun #teachersfollowteachers #sciencebob | Science Bob
3.7K viewsApr 11, 2019
FacebookScience Bob
Morning build: an Arduino controlled talking skull. It can take any audio source and talk or sing to it. Now it’s time to add an triggered MP3 player and record some spooky messages! #arduino #arduinoproject #halloweendecor #talkingskull #hauntedmansion | Science Bob
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Morning build: an Arduino controlled talking skull. It can take any audio source and talk or sing to it. Now it’s time to add an triggered MP3 player and record some spooky messages! #arduino #arduinoproject #halloweendecor #talkingskull #hauntedmansion | Science Bob
1.3K viewsOct 21, 2018
FacebookScience Bob
Steve vs Bob qui est le plus SOLIDE? #science #maths #physique #minecraft #bobleponge
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Steve vs Bob qui est le plus SOLIDE? #science #maths #physique #minecraft #bobleponge
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‪@MarkRober‬ and Science Bob made dreams come at Disneyland for some incredible ‪@makeawish‬ kids!
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‪@MarkRober‬ and Science Bob made dreams come at Disneyland for some incredible ‪@makeawish‬ kids!
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SI! Faire du feu sous l'eau c'est POSSIBLE! #science #maths #physique #chimie #bobleponge
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5. Y-shaped pendulum (IYPT 2027)
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A Zygote meets every objective scientific criterion used by molecular biology to define life Objective scientific fact… it’s not developing to be a human it’s developing to be an infant, which will develop to be be a toddler to teenager, etc. They aren’t potential life; they are life with potential. A dead/non-living thing cannot grow. An inanimate object cannot undergo cell division. By the laws of biology, the zygote is objectively alive because it meets all scientific criteria for life…. The
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Darah mengandung protein dan zat besi. Lalu, kenapa dalam Islam justru diharamkan? Darah bukan sekadar cairan merah. Di dalamnya juga terdapat berbagai zat yang beredar dalam tubuh, termasuk sisa metabolisme dan mikroorganisme penyebab penyakit. Darah yang keluar dari tubuh juga mudah terkontaminasi bakteri. Sementara, terlalu banyak zat besi juga tidak selalu baik bagi tubuh. Karena itu, ada alasan kesehatan yang bisa kita pahami dari larangan mengonsumsi darah yang mengalir. Namun, tidak semua
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Making water boil without reaching boiling temperature
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I love SpongeBob down 🏝️🧽☠️#BikiniIsland #SpongeBobSquarePants #FYP #CreepyFacts #TheoriesVideo Sources https://thebikiniproject.org/the-bikini-project/ https://www.burkemuseum.org/news/spongebobs-bikini-bottom-based-real-life-test-site-nuclear-weapons https://www.nickalive.net/2024/12/longtime-spongebob-squarepants-writer.html?m=1
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Testing Childhood Punishments for Science #science #childhood | pool cue
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Voici une théorie qui risque de bousculer vos certitudes. Entre ballons à l'hélium pour remplacer les satellites en orbite et remise en question totale de la courbure terrestre, cette conversation pousse le débat dans ses retranchements les plus surprenants. Est-ce que tout ce qu’on nous a appris sur la connectivité mondiale serait faux ? Une vision du monde radicalement différente qui ne laisse personne indifférent. #TerrePlate #Debat #TheorieDuComplot #Astronomie #Science
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Saitama ONE SHOT Bob l'Eponge ?! #maths #physique #science #vs #onepunchman #bobléponge
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