#physicspuzzle hashtag

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@wahyuhasianta

Fisika memang keren 👍 #copshare #wahyuhasianta @Regran ed from @physicsfun - Coin Escape Puzzle: physics brain teaser- remove the coin without breaking the container or using any tools other than your hands. Of course you spin it to get the quarter out- but exactly how? The solution to this puzzle (like others featured here) relies on some fun basic physics of spinning things. Answer below and swipe to reveal solution. ➡️ Follow the link in my profile for info on where to find this puzzle and other amazing items featured here on @physicsfun #physics #physicsfun #physicstoy #physicspuzzle #puzzle #brainteaser #cointrick #quarterdollar #centripetal #centripetalacceleration #centrifugal #rotation #kineticenergy #potentialenergy #science ✏️ Solution: centripetal acceleration and rotational kinetic energy will raise the small steel balls from the center allowing the coin to fall through. - #regrann

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portaltouchgame
@portaltouchgame

Now you can select the cubes and move them around. Plus the walls can be bouncy. #portaltouch #portalgame #physicsgame #physicspuzzle

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portaltouchgame
@portaltouchgame

This is how the buttons for controlling the movement of cubes will look like and behave. #portaltouch #portalgame #physicsgame #physicspuzzle

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portaltouchgame
@portaltouchgame

Select the portal you want to create and then simply touch the wall. The rest is plain physics. #portaltouch #portalgame #physicsgame #physicspuzzle

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portaltouchgame
@portaltouchgame

This is how the portals will look like and behave. #portaltouch #portalgame #physicsgame #physicspuzzle

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portaltouchgame
@portaltouchgame

This is how the buttons for controlling portals will look like and behave. #portaltouch #portalgame #physicsgame #physicspuzzle

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@physicsfun

Tying the Knot Puzzle: this week’s brain teaser- how did this overhand knot get into this closed continuous band of rubber? It did not get there by cutting the loop, tying a knot, and rejoining it. Amazingly this band was once a rubber o-ring. How was it cut to produce a knot? An “impossible object” related to the Möbius strip by mathematician and artist George Hart. Answer below and swipe to reveal solution. ➡️ Follow the link in my profile for info on this puzzle and where to get the amazing items featured here on @physicsfun. #physics #math #mathpuzzle #mobius #mobiusstrip #physicspuzzle #physicsfun #topology #science #scienceisawesome ✏️Solution: start with a rubber o-ring (or any torus such as a bagel) and slice into it as if you were to cut it into two o-rings each with a D shaped cross section- but as you slice around also spiral the cut so that you make three half twists. When the cut is complete you will still have a single loop, twice as long as the original

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physicsfun
@physicsfun

Cylindrical Lens Puzzle: this cylinder of acrylic acts as lens that focuses light along a line rather than a point- and thus it can invert an image along its symmetry axis. Puzzle question: the word "GREEN" is flipped by this lens but the word "TOMATO" seems unaffected. Is the physics significantly different for red wavelengths as compare to green? Or is there another explanation/trick? Answer below. ➡️ Follow the link in my profile for info on where to buy this and other amazing items featured here on @physicsfun #refraction #lens #cylinder #cylindricallens #physics #physicstoy #physicspuzzle #puzzle #symmetry #science #scienceisawesome ✏️ The trick here is that the letters in the word TOMATO are symmetric with respect to a vertical line through their center, so even though they are flipped by the cylindrical lens just like the letters in GREEN, the symmetry of the letters hides this fact.

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@itsthemind

@Regran ed from @physicsfun - The surprising "Brazil Nut Effect"! . . Description from the original post: "Magic Sand Wand Puzzle: this week’s physics brain teaser- move the steel ball through the sand to the other end of the tube. Amazingly it can be done in less than 6 seconds! Hint: spinning won’t help this time. The solution to this vintage puzzle relies on some interesting physics concerning granular convection. Answer below and swipe to reveal solution. ➡️ Follow the link in my profile for info on where to buy physics puzzles and other amazing items featured here on @physicsfun. #physics #physicspuzzle #physicsfun #granularconvection #granularphysics #brazilnuteffect #convection #kineticenergy #science #scienceisawesome ✏️Solution: orient the tube vertical and shake it, and the steel ball will rise to the top due to the Brazil nut effect in about 25 shakes. The most likely mechanism here is that when the ball and sand are being shaken, every time the ball moves up

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@physicsfun

Magic Sand Wand Puzzle: this week’s physics brain teaser- move the steel ball through the sand to the other end of the tube. Amazingly it can be done in less than 6 seconds! Hint: spinning won’t help this time. The solution to this vintage puzzle relies on some interesting physics concerning granular convection. Answer below and swipe to reveal solution. ➡️ Follow the link in my profile for info on where to buy physics puzzles and other amazing items featured here on @physicsfun. #physics #physicspuzzle #physicsfun #granularconvection #granularphysics #brazilnuteffect #convection #kineticenergy #science #scienceisawesome ✏️Solution: orient the tube vertical and shake it, and the steel ball will rise to the top due to the Brazil nut effect in about 25 shakes. The most likely mechanism here is that when the ball and sand are being shaken, every time the ball moves up the smaller sand grains (moving faster and pulled by gravity) will fill in the void under the ball, and so

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scott_harada
@scott_harada

H2O>O #repost @physicsfun with @get repost ・・・ Bubble Trouble Puzzle: physics brain teaser- the trick here is to move all air bubbles to the center bulb. As with all puzzles featured here on @physicsfun, the solution relies on some fun basic physics principles- can you figure out which ones? Answer below and swipe to reveal solution. ➡️ Follow the link in my profile for info on where to find puzzles like this one and other amazing items featured here on @physicsfun #physics #physicsfun #physicstoy #physicspuzzle #puzzle #brainteaser #density #fluiddynamics #bouyancy #centripetal #centripetalacceleration #centrifugal #rotation #kineticenergy #potentialenergy #science ✏️ Solution: spinning the puzzle about its center makes it into a simple centrifuge, where centripetal acceleration creates a density gradient, and the water, which has much greater density than air, moves away from the center towards the ends of the tube.

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highplainspueblo
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prof.fernandakatiusca
@prof.fernandakatiusca

Um #buracodeminhoca é uma passagem teórica através do #espaçotempo que pode criar atalhos para viagens longas em todo o #universo. Buracos de minhoca são previstas pela teoria da #relatividadegeral. Mas com a ressalva que, buracos trazem com eles os perigos do colapso repentino, alta #radiação e contato perigoso com a #matériaexótica. Em 1935, os físicos #alberteinstein e #nathanrosen usaram a teoria da #relatividade geral de propor a existência de “pontes”, através do espaço-tempo. Esses caminhos, chamado de #pontes de #einsteinrosen ou buracos de minhoca, ligam dois pontos diferentes no espaço-tempo, teoricamente, criando um atalho que poderia reduzir o tempo de viagem e distância. #physicspuzzle #physicsmemes #physicsfun #physicstoy #physicists #physics is nature #physicsoftheuniverse #fisicadivertida #fisicaparaoenem #fisica #astronomiafacil #astronomyy #astronomylover

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@marymagotte

Science puzzle: I painted this in my senior year of high school, and discovered it 30 years later disintegrating in the barn. Not sure why the most obvious damage happened to the skin and not the eyes or mouth, but it’s a weird effect. My thought is that maybe I had applied more paint to the area of the face (less to the eyes, lips, and hair), which created a thicker and “taller” mass of paint vulnerable to destruction resulting in the most overt visual damage. Any scientists out there have an answer? 3’x4’ acrylic on plywood, musty barn air, and time. #tbt #art #outsideart #painting #acrylicpaint #dreamyeyes #disintegration #forgotten #physicspuzzle #sciencepuzzle #intersectionofscienceandart

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prof.fernandakatiusca
@prof.fernandakatiusca

#enigma #ampulhetaflutuante: famoso quebra-cabeça da #física - por que a ampulheta não começa a subir imediatamente? O vidro só sobe depois que cerca de metade da areia foi transferida para o bulbo inferior. A #ampulheta é um temporizador de vidro padrão, é submerso em água pura, e o tubo principal tem um diâmetro interior que é maior do que 5 mm, pelo menos, o diâmetro do vidro. Uma #propriedade física simples da ampulheta muda e explica esse comportamento. A ampulheta é pesada na parte superior, de modo que se inclina contra a parede interna do tubo e o #atrito é suficiente mantendo-a no lugar. Conforme o tempo passa, os #movimentos de areia a partir da câmara superior para a parte inferior central, com a transferências de massa do tubo para a parte inferior, modifica o #centrodemassa. Em seguida, a ampulheu endireita-se e sobe. Essa explicação enfatiza muito bem a propriedade da ampulheta que muda - seu centro de massa. #physicsfun #physics #physicstoy

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physicsfun
@physicsfun

Poly Density Puzzle: my favorite science brain teaser- white beads and blue beads "float" oddly separated beneath the surface of a clear liquid. If the contents are mixed by shaking the container, the white beads gather at the top and the blue sink to bottom! Adding to the mystery; after about 30 seconds the two layers of beads will have slowly moved back to the middle. What is your guess as to the physics behind this behavior? ➡️ Follow the link in my profile for info on where to get this puzzle (and the physics that explains it) along with many other amazing items featured here on @physicsfun #physicstoy #physicspuzzle #density #densitycolumn #immiscible #immiscibleliquids #bouyancy #archimedes #archimedesprinciple #saltingout #physics #science #scienceisawesome #polydensity