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Solar Cells Posted by: VegaScienceTrust
Video duration: 370 seconds How do solar cells convert sunlight into electricity? To view more programmes in this series visit http://vega.org.uk/v ideo/subseries/27 To view information sheet accompanying this video http://www.creative- science.org.uk/solar cells.html Related: solar cells, jonathan, hare, vega, science, trust, kroto, electricity, power, global, warming, climate, green, free, solar panel, wind Display Video Comments | Hide Video Comments | Add Comment |
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The Mathematician Who Can`t Add Up - Emma J King Posted by: VegaScienceTrust
Video duration: 858 seconds For more science career videos see http://www.vega.org. uk/video/series/10 Related: science, career, emma, king, cosmology, maths, mathematics, nottingham, university, vega, trust, kroto, women, scientists, videos, harry Display Video Comments | Hide Video Comments | Add Comment |
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Piezoelectricity Posted by: VegaScienceTrust
Video duration: 180 seconds For more videos see http://www.vega.org. uk/video/subseries/2 7 Some minerals such as quartz can produce electricity simply by squeezing or bending them - these are called piezoelectric crystals. Here is a simple and cheap demonstration you can do. Related: educational, science, vega, harry, kroto, jonathan, hare, electricy, piezo, instructional video, physics, sussex, creative, schools Display Video Comments | Hide Video Comments | Add Comment |
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Paper Windmills Posted by: VegaScienceTrust
Video duration: 544 seconds More videos at http://www.vega.org. uk/video/subseries/2 7 Here Jonathan makes some simple paper windmills/turbines and experiments with a simple generator to power house hold devices such as torches, calculators and even a radio. Related: jonathan, hare, harry, kroto, vega, power, windmill, generator, torches, calculators, radio, science, video, schools, resource, education, sepnet, physics, creative Display Video Comments | Hide Video Comments | Add Comment |
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Simple Electricity Generator Posted by: VegaScienceTrust
Video duration: 353 seconds More videos at http://www.vega.org. uk/video/subseries/2 7 With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine. Related: jonathan, hare, sepnet, vega, science, trust, video, generator, simple, electricity, ac, dc, power, circuitry, harry, kroto Display Video Comments | Hide Video Comments | Add Comment |
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Wave Power Posted by: VegaScienceTrust
Video duration: 288 seconds More videos at http://www.vega.org. uk/video/subseries/2 7 Here Jonathan describes three different ways of generating electrical power from water waves. Related: vega, science, wave, power, jonathan, hare, harry, kroto, sepnet, physics, university, south, east, sussex, creative, centre, feynman Display Video Comments | Hide Video Comments | Add Comment |
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Infrared Photography Posted by: VegaScienceTrust
Video duration: 462 seconds More videos at http://www.vega.org. uk/video/subseries/2 7 Jonathan shows us a simple filter that can be attached to a standard digital camera so that it can take Infrared photos. Related: infrared, photography, jonathan, hare, sepnet, physics, gcse, sussex, harry, kroto, vega, science, trust, feynman Display Video Comments | Hide Video Comments | Add Comment |
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Mobile Phone Posted by: VegaScienceTrust
Video duration: 253 seconds More films can be seen http://www.vega.org. uk/video/subseries/2 7 A cheap and simple homemade demonstration to show how a mobile phone generates radio waves. Related: mbbile, phone, radio, waves, demonstration, vega, science, trust, jonathan, hare, harry, kroto, physics, sepnet, feynman Display Video Comments | Hide Video Comments | Add Comment |
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C60, Buckyballs, Buckminsterfullerene Posted by: VegaScienceTrust
Video duration: 450 seconds To view more mini-films visit http://www.vega.org. uk/video/subseries/2 7 What is C60, when was it discovered, how can I make a C60 Model. Related: c60, buckyballs, jonathan hare, harry kroto, feynman Display Video Comments | Hide Video Comments | Add Comment |
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Electricity Generator Demonstration Posted by: VegaScienceTrust
Video duration: 228 seconds More films at http://www.vega.org. uk/video/subseries/2 7 Jonathan demonstrates how to generate electricity using a Faraday (Magnetic) Coil. Related: faraday, michael, vega, jonathan, hare, induction, magnetic, magnetic field, power, energy, video, science, sepnet, sussex, kroto, electricity, generator, demonstration, coil Display Video Comments | Hide Video Comments | Add Comment |
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Fresnel Lens Posted by: VegaScienceTrust
Video duration: 308 seconds http://www.vega.org. uk/video/subseries/2 7 to see more videos in the same series. Jonathan Hare tells us how the Fresnel lens enhances the light shining from a lighthouse. Related: jonathan hare, vega science trust, harry kroto, fresnel lens, light house, feynman Display Video Comments | Hide Video Comments | Add Comment |
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Potato Battery Posted by: VegaScienceTrust
Video duration: 395 seconds http://www.vega.org. uk/video/subseries/2 7 How to make a battery from a potato! Jonathan Hare demonstrates. Related: potato, battery, electricity, generate, jonathan, hare, kroto, vega, science, trust, education, schools Display Video Comments | Hide Video Comments | Add Comment |
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Why Does Ice Float? States of Matter Posted by: VegaScienceTrust
Video duration: 80 seconds Scientist Professor John Murrell explains in this short science video why ice floats. Related: states of matter, volume, temperature, murrell, vega, kroto, university, sussex, schools, resources, solids, liquids, gases, floating. Display Video Comments | Hide Video Comments | Add Comment |
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Dry Ice and Wet Ice - States of Matter Posted by: VegaScienceTrust
Video duration: 144 seconds Scientist Professor John Murrell demonstrates in this short science video the difference between dry ice and wet ice. Related: states of matter, volume, temperature, murrell, vega, kroto, university, sussex, schools, resources, solids, liquids, gases Display Video Comments | Hide Video Comments | Add Comment |
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Some Materials Do Not Have Liquid Form - States of Matter Posted by: VegaScienceTrust
Video duration: 134 seconds Scientist John Murrell demonstrates in this short school science video how some materials do not have liquid form. Related: states of matter, volume, temperature, murrell, vega, kroto, university, sussex, schools, resources, solids, liquids, gases Display Video Comments | Hide Video Comments | Add Comment |
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How Volume Changes with Temperature - States of Matter Posted by: VegaScienceTrust
Video duration: 72 seconds A short science video where scientist John Murrell demonstrates how volume changes with temperature. Related: states of matter, volume, temperature, murrell, vega, kroto, university, sussex, schools, resources Display Video Comments | Hide Video Comments | Add Comment |

















Latest comments made on this video:
By: MrWatlow. on 14 May 12, 01:41:18
Wait a minute, I know that voice...... Ah Ha, he's the guy whose behind the voice? of the geko on the GEICO comercials!!!!
By: sangwoo4. on 05 May 12, 20:42:49
good? good muy buena
By: julienscotto. on 02 May 12, 19:01:56
Reddit.com/r/Science??
By: MrBikeBob. on 01 May 12, 11:35:48
Electrified by e-bikes:? Find BIKE IT ON on Facebook and YouTube!
By: rjravaz. on 28 Apr 12, 12:51:43
lol? I Know I was being cynical the whole time =)
By: SCECountZero. on 28 Apr 12, 05:10:13
Oh no, that little windmills generator will make a little power, probobly enough? to power a lightbulb. Hes gonna need a windmill big as his house witha big generator to get alot of enough power to power his house. though he can charge a battery with his little windmill, another way of powering a battery for your tv remote.
By: eaglesoilder. on 25 Apr 12, 16:22:15
i like? the video good job . :)
By: vishalbhatt26. on 24 Apr 12, 04:00:24
nice one ?
By: mrcooleh. on 20 Apr 12, 21:17:06
using your scaled model sized turbines, which ones would would typically create a larger moment at a constant? wind velocity, the vertical or horizontal axis turbine?
By: SarathT1. on 16 Apr 12, 22:15:48
O i dot this was dancing? windmill i didn t look a the pitucre
By: jjanstad. on 16 Apr 12, 04:19:04
No.The power? available in the wind is P=(air_density*Area*wind_speed^3)/2. I assume he has a radius of about 0.5m and a wind speed of 5m/s.Thus, 60W available. Theoretical maximum is only 59.3% (betz limit), 36W left. Minus losses due to drag (20% probably more in this case)= 28W. Minus losses in electric generation (37%) =? 18W. A total loss of about 70% from the power available. 18W (when the wind blows) is what a low energy light bulb needs to burn. So no it would not power your house
By: Griffin9857. on 14 Apr 12, 02:54:44
I'm nearly done watching? it, starting a few plans already :D
By: FactualSolutions. on 12 Apr 12, 18:41:02
Thanks for the link? pal, i already know the site and the guy that produced it - he was on V-radio show another day - i've watched the frist bit though - 13 hours is quite some time, ins't it? Take care :) FS
By: Griffin9857. on 10 Apr 12, 10:20:01
Here's another? one, visit *.tromsite.com to see what people are thinking about along these lines. Warning though, the documentary can't be watched in one hit as it is 13 hours long but WOW
By: FactualSolutions. on 30 Mar 12, 16:50:19
The Zeitgeist Movement (TZM) has been showing that we have the ability to generate energy, food, housing, health and education for everyone in the world, while, at the same time, we are able to ELIMINATE OUR ECONOMICAL, SOCIAL & ECOLOGICAL CRISIS along with corruption, poverty, abuse of power, unemployment, social stratification, and other factors that hinder the life and sustainability of the planet and its inhabitants.To know more about it, watch: ? "Zeitgeist Addendum" - It is on youtube :) FS
By: losttreasurehunt. on 19 Mar 12, 18:11:55
Coool? showing ,what he isn't telling u is it would take some 10 or 20 times the size of the windmills in this video ,more or less great yard art which is very enjoyable to see.Tha
By: losttreasurehunt. on 19 Mar 12, 18:08:43
Coool showing ,what he isn't? telling u is it would take some 10 or 20 times the size of the windmills in this video ,more or less great yard art which is very enjoyable to see.Thanks for the showing
By: sujaysukumar123. on 18 Mar 12, 08:49:33
wow? wonderful....u must make a video of using the windmill to aerate a pond mechanically, without generators
By: rsgirl10. on 12 Mar 12, 07:17:07
This is all really nice, but how do you actually do something useful with these things, like charge a? battery or connect it to your house?
By: artistpw. on 05 Mar 12, 20:07:01
It would be really helpful to make a video for what is used to make a magnetic generator for a little wind turbine. ? I have neodymium magnets and very thin copper wire (about .006 inch diameter), but not having an electronics background, I don't really know the other components, and that would help. Also, there is a two part sculpture compound called Magic Sculpt that you can hand mix and form and it becomes extremely rigid - you might be able to use that to form some of your moving pieces.
By: artistpw. on 27 Feb 12, 02:45:55
Hi - I'm planning to make a little arty wind project - I thought about the flutter one, and I think you might be able to make one maybe with a helium balloon on one side and maybe a spring? or counterweight on the other side if the flutter turbine just causes a mechanism to back and forth - you could probably get that with a balloon and an opposing force - that might also work pretty well in really low wind areas. Let me know if you think that might work. :)
By: Vilibrato. on 17 Feb 12, 18:50:46
Very cool! Anywhere I can? download schematics for these?
By: VegaScienceTrust. on 17 Feb 12, 11:04:58
I used the very powerful 'rare earth' magnets (only strong magnets will create a decent voltage in my simple generator design). See my web site? for details.
By: SocialistDemocracy. on 16 Feb 12, 23:05:47
Hey? i love your videos. I was just wondering what the strength and size of the magnets you recommend to use that create 5V. How long do you think they will stay magnetized ?