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Journal Sep 2024<\/a><\/p>\n ISSN: 2588-5111<\/strong><\/p>\n <\/p>\n —————————————————————————————<\/p>\n FREEZING DROPLET<\/a><\/p>\n Haniyeh Parhizkari, Mahtab Shakibmanesh<\/p>\n Journal Vol 8, No 1, 2024, (P 4-7)<\/strong><\/p>\n One of the unusual properties of water is its freezing from <\/p>\n —————————————————————————————<\/p>\n CANDLE LIGHT TRICK<\/a><\/p>\n Reihane Vojoudi ,Sorena Jafari, Khaje Nasir Toosi university of science and technology Journal Vol 8, No 1, 2024, (P 8- 11)<\/strong><\/p>\n First, let us estimate the origin of the phenomenon <\/p>\n —————————————————————————————<\/p>\n STATIC SPEAKER<\/a><\/p>\n Seyed Mohammad Hoseini Yamin , Shahid Beheshti University Journal Vol 8, No 1, 2024, (P 12-14)<\/strong><\/p>\n Producing sound in different conditions is conceptually <\/p>\n —————————————————————————————<\/p>\n MAGNETIC HILLS<\/a><\/p>\n Mohaddeseh Masoumi<\/p>\n Journal Vol 8, No 1, 2024, (P 15-17)<\/strong><\/p>\n Magnetic Ferrofluids (MFFs) are colloidal suspensions <\/p>\n —————————————————————————————<\/p>\n CANDLE LIGHTING TRICK<\/a><\/p>\n Seyed Mohammad Hoseini Yamin Journal Vol 8, No 1, 2024, (P 18-19)<\/strong><\/p>\n Indeed, in this essay we are searching for finding an <\/p>\n —————————————————————————————<\/p>\n LIGHT RINGS<\/a><\/p>\n Seyed Ali Madani, Muhamad Hassan Muhammadi<\/p>\n Journal Vol 8, No 1, 2024, (P20-22)<\/strong><\/p>\n Collision of the jet with an obstacle, cause standing <\/p>\n —————————————————————————————<\/p>\n TRAJECTORY OF A ROLLING OBJECT…<\/a><\/p>\n Fatemeh Akbari<\/p>\n Journal Vol 8, No 1, 2024, (P 23-25)<\/strong><\/p>\n When a rolling object (sphere, disc, ring,\u2026) is put on a <\/p>\n —————————————————————————————<\/p>\n ACOUSTIC LENS<\/a><\/p>\n Nooshin rajabi, Maryam Maghsoodi<\/p>\n Journal Vol 8, No 1, 2024, (P 26-30)<\/strong><\/p>\n Acoustic Fresnel lenses have a great application in <\/p>\n —————————————————————————————<\/p>\n Natural Timing Devices as…<\/a><\/p>\n Seyed Parsa Saadatjoo. Andishe Farda High School, Mashhad, parsasaadatjoo86@gmail.com<\/p>\n Journal Vol 8, No 1, 2024, (P 31-33)<\/strong><\/p>\n Biological clocks are natural timing devices that are <\/p>\n —————————————————————————————<\/p>\n COOLING JUG<\/a><\/p>\n Haleh Forouzesh, Maryam Rostami, Hanieh Mohammadi<\/p>\n Journal Vol 8, No 1, 2024, (P 34-35)<\/strong><\/p>\n In zeer pot, water evaporates through sand which has <\/p>\n —————————————————————————————<\/p>\n![\"\"](\"http:\/\/iypt.ayimi.org\/wp-content\/uploads\/sites\/7\/2021\/06\/index.png\")
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\nthe surface. According to the laws of thermodynamics,
\nwhen water molecules freeze, their density becomes lower
\nthan that of liquid molecules, so they move upwards and
\naccumulate at the surface of the liquid.<\/p>\n<\/a><\/p>\n
\nCo-authors: Nicky Khodadad , Muhammad Eslamifar , Mostafa Lotfi<\/p>\n
\nobserved. When you light a candle, lot happens (Fig. 1)!
\nHeat melts wax close to the wick and the melted wax flows
\nup the wick by capillary action. The wax is vaporized
\n(becomes a hot gas) and its hydrocarbons break down into
\nhydrogen (H) and carbon (C). Now gaseous wax burns in
\noxygen (O) to produce water vapor, carbon dioxide, heat,
\nand light.<\/p>\n<\/a><\/p>\n
\nCo- Authors: Reza Pourkodabakhshi, Sina Ghafouri, Armin Tabesh<\/p>\n
\ninteresting. In the other hand, use of sounds for our
\nobjectives are attractive, too. For example, some people
\nthink about thermo acoustic engines to make heat with
\nsound and reversely produce heat using of sound. The last
\nhas more application for our routine life. Here with the aid
\nof fundamental concept…<\/p>\n<\/a><\/p>\n
\nmade up of tiny ferromagnetic particles, about 10nm in
\ndiameter, suspended in a carrier liquid and have magnetic
\nand liquid properties simultaneously. Ferrofluid surface is
\nexposed to a heterogeneous magnetic field which instead
\nof being flat or curved, it is a convex surface or nails-like
\nprotrusion. Its reason is applying of too much magnetic
\nforces…<\/p>\n<\/a><\/p>\n
\nCo- Authors : Reza Pourkhodabakhshi , Seyed Mohammad Hoseini Yamin , Armin Tabesh , Sina Ghafouri
\nShahid Beheshti University, Tehran, Iran<\/p>\n
\nexplanation to our problem. Really why we can relight a
\ncandle from upside by a little distance of candle’s top part?
\nActually we have some probable solutions for solving
\nthis problem. Some solutions are focused on paraffin part
\nof candle.<\/p>\n<\/a><\/p>\n
\nwaves upstream of the obstacle. This phenomena can be
\nobserved in low velocity jets of household tap. About this
\nphenomena there aren\u2019t much papers in relation to an
\nanalogue phenomena called capillary waves on fluid
\ncylindrical.<\/p>\n<\/a><\/p>\n
\nhorizontal rotating disc although we predict that the rolling
\nobject will be cast away from the turntable (because of the
\nCentrifugal force), interesting trajectories will be observed
\nwhile the rolling object is bearing on turntable without
\nbeing expelled from it like charged particles absorbing in
\nan electric field .Frequency of the turntable and rolling
\nfriction force are…<\/p>\n<\/a><\/p>\n
\nacoustic microscopy and different category. They have
\nemerged as an alternative to the conventional due to ease of
\nfabrication even with the low efficiency of 40% of input
\nwaves.<\/p>\n<\/a><\/p>\n
\norganized by the day-cycle. They are spread throughout all
\nour body and interact with several kinds of cells.
\nBiological clocks are fundamental to the functioning of
\nlife and to the organization and coordination of behavior.
\nSimple behavioral functions, such as timing active and
\ninactive periods during the day\/night cycle to maximize
\nproductivity and minimize risk rely on internal clock
\nfunctions.<\/p>\n<\/a><\/p>\n
\nfilled the gap between the inner pot and the outer pot, out of
\nthe outer pot. The water serves as refrigerant .The sand is
\nconsidered as a thermal mass and helps moisture up the wall
\nof outer pot’s surface.<\/p>\n<\/a><\/p>\n