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To add to John Rennie's answer and Noldor130884's answer: a half wavelength waveplate will reverse the handedness of circularly polarized light. It's the same principle as converting linear to circularly polarized light although here you don't have the precise alignment problems (to convert linear to circularly polarized, you need to align the input light's ...


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The solution has to have with the 'surface tension' of the exterior surface. Google for 'surface tension' satin water repellent synthetic tissue and find: 'Liquid water is prevented by surface tension from penetrating' on Polyester Microfilament Woven Fabrics Conclusion : the exterior surface of the duvet (and not the interior material) is blocking the ...


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As noted in the comments, weight must be evenly distributed or the washing machine will spin off center and shut down. Clothes are a lot of small pieces. When spinning starts, they fly to the outside. Usually they are uniformly distributed. A duvet is a single large piece. It is easy for it to be off center. For example, if you wrap it around the ...


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You should run the experiment. If you've got 4 plastic bins, one weekend, just half-fill all of them in two pairs, each pair consisting of one half containing water from a pot on the stove, the other containing water from the fridge. Measure the temperature of the "cool" water after an hour or two. With that said, air mostly distributes stuff by convection: ...


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As you probably already know, reflective surfaces invert the handedness of a C-pol light. So one solution would basically put a source of light in front of you, and the other one at your back, so that it would be reflected more or less from the direction from which the first source radiates. About thin films, I could possibly think of something, but it ...


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The liquid shooting upward from the pit of your vortex may be explained by at least two effects. The first effect was indirectly addressed by Albert Einstein in a 1926 paper he wrote on the erosion of river banks (http://people.ucalgary.ca/~kmuldrew/river.html). This effect is also called the tea leaves paradox, from an experiment Einstein performed in a ...


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Since you have not specified the "real world" size of the ship, let's take a 74-gun ship of the line https://en.wikipedia.org/wiki/Seventy-four_(ship) as the desired type, firing a 36-pound cannon. The bore on such a cannon https://en.wikipedia.org/wiki/36-pounder_long_gun was about 175 mm, with a shot weight of about 39 lb. Shrinking this cannon to a bore ...


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Short: No Because: Assume material SG ~= 7 Assume ~= non-sonic shot. Say 500 m/S based on this superb reference R = 0.05mm = 5E-5m E= 1/2 mV^2 m kg = 4/3.Pi.R^3 x sg x 1000 kg/m^3 = 4/3x 3.14 x (5E-5)^3 x 1000 x 7 = 3.E-9 kg At say V = 500 m/s E = 0.5 x 3.5E-9 x 500^2 ~~= 500 micro Joule. (438 uJ calc) A VERY solid teaspoon weighs 50 gram. ...


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There are a couple of ways of knowing the wavelength of laser pointer. 1) Using Snell'law (law of refraction): A light passing the border between two media whose refractive indexes vary. The incident light PO of wavelegth, $\lambda_{1}$ travelling in a media of refractive index, $n_{1}$ is refracted in to another media of refractive index, $n_{2}$, with a ...


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Summary: Based on provided data you will be able to comfortably bring the water to boiling point in 1 hour. The energy input required to heat the water alone is significantly less than the available energy and the difference is greater than typical thermal losses. ie Water_mass x delta_temperature x Water_specific_heat < energy input Details below. ...



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