Tag results for engineering
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light bulb filament
Bookmarked 779 weeks ago bill takes apart an incandescent to show how the tungsten filament is made he shows it in extreme close-up and also discusses the material processing needed to produce ductile tungsten |
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why the other line is likely to move faster
Bookmarked 790 weeks ago bill reveals how quotqueueing theoryquot - developed by engineers to route phone calls - can be used to find the most efficient arrangement of cashiers and check out lines he reports on the work of agner erlang a danish engineer who at the opening of the 20th century helped the copenhagen telephone company provide the best level of service at the lowest price |
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roboclarinet
Bookmarked 722 weeks ago a robot clarinet player designed by a team from unsw and nicta has won first prize at an international orchestra competition the robot which performed the flight of the bumblebee and bolero in the final beat a dutch developed guitar-picking robot and a finnish piano-playing machine staged in athens the goal of the artemis music orchestra competition is to raise awareness about the growing capacity and applications of embedded computer systemsfor more info please visit the school of physics website: http:wwwphysunsweduaujwclarinetrobothtml |
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underwater ironman jetpack
Bookmarked 437 weeks ago were giving away one of our engines just hit the subscribe button and comment how you would039ve improved our design we might make a jetpack 20 this video goes out to everyone who understands the pain of being poor swimmers the public shaming at the beach the jv coach facepalming while you founder in the shallow end the catcalls of oh look its the submarine you know why cause he spends more time underwater than above it oh how their words hurtbut alas where theres a problem engineering can provide the approximation of a solution cant swim very well strap a very heavy assortment of electronics to yourself in the hopes that you wont be i electrocuted or ii dragged straight down to the bottom and here at eclectical engineering we have an abundance of hope and a healthy disregard for grievous injury so join us while we explore the profound joys of affixing massively overpowered motors to our limbs will it work will we survive well we probably wouldn |
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swarm of bacteria builds tiny pyramid
Bookmarked 755 weeks ago a robotic micro-assembly process relies on several thousand flagellated bacteria acting as micro-workers to build a pyramidal structure work presented at iros 03909 by sylvain martel and mahmood mohammadi from the nanorobotics laboratory cole polytechnique de montral canada for more robot news visit http:spectrumieeeorg |
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how the first transistor worked
Bookmarked 791 weeks ago bill uses a replica of the point contact transistor built by walter brattain and john bardeen at bell labs on december 23 1947 they used this device to amplify the output of a microphone and thus started the microelectronics revolution that changed the world he describes in detail why a transistor works by highlighting the uniqueness of semiconductors in being able to transfer charge by positive and negative carriers |
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hegalian dialectic
Bookmarked 707 weeks ago also known as thesis antithesis ampamp synthesis problem reaction solution and order out of chaos this tactic has been employed by rulers for quite some time |
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boeing phantom eye039s first flight
Bookmarked 714 weeks ago boeing039s unmanned aircraft phantom eye completed its first take off and landing june 1 the autonomous aircraft with its 150-foot wingspan and powered by energy-efficient liquid hydrogen lifted off its launch cart and climbed to an altitude of 4080 feet into the desert sky above edwards air force base calif |
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the fourth phase of water: dr gerald pollack at tedxguelphu
Bookmarked 510 weeks ago does water have a fourth phase beyond solid liquid and vaporuniversity of washington bioengineering professor gerald pollack answers this question and intrigues us to consider the implications of this finding not all water is h2o a radical departure from what you may have learned from textbookspollack received his phd in biomedical engineering from the university of pennsylvania in 1968 he then joined the university of washington faculty and is now professor of bioengineering his interests have ranged broadly from biological motion and cell biology to the interaction of biological surfaces with aqueous solutions his 1990 book muscles and molecules: uncovering the principles of biological motion won an quotexcellence awardquot from the society for technical communication his more recent book cells gels and the engines of life won that society039s quotdistinguished awardquot pollack received an honorary doctorate in 2002 from ural state university in ekaterinburg russia and wa |
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why roller coaster track is filled with sand
Bookmarked 362 weeks ago a look at how roller coaster noise can be reduced by filling the track with sandsupport art of engineering on patreon: https:wwwpatreoncomartofengineeringfollow art of engineering on twitter: https:twittercomaoengineeringvideo attributions:canada039s wonderland roller coaster aerial drone footage using phantom and gopro by patrick daily fortnitethe monster - walygator 4k 60fps on-ride pov no copyright by coaster hipsteroziris - parc astrix 4k 60fps on-ride pov no copyright by coaster hipsterwildfire front seat pov - silver dollar city by amusementinsidersteel vengeance operating 3 trains again by amusement insidersferrari land: red force pov portaventura world by portaventuranoticiasroller coaster ride at universal studios orlando by clipxtractrailblazer off-ride footage at california039s great america by newenglandcoasterfanexpedition geforce - holiday park 4k off-ride pov no copyright by coaster hipsterc |
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kinetic spinning ring box
Bookmarked 414 weeks ago the idea of a kinetictwirling ring box is not mine this execution of the idea is my original design it039s based on a mechanism that can be found in paper craft paper engineering pop up books and origami the idea is to convert linear motion into rotational motion almost all of these ring boxes i039ve seen use the same mechanism which is a creased x type fold with some ring-holder piece being affixed to the inside or convex side instead to add some lifting action to the ring-holder i affixed the ring-holder piece to the convex side of the x fold nothing earth shattering but it did require more thought to the engineering of the housing since now i039d need a platform section and a hollowed out section that this ring holder could recess intothe ones i039ve seen online seem overpriced for what they are essentially a pop-up card piece of origami i wanted to figure out a better way to do iti039m happy with the way it came out it039s slim low profile there are no visible |
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gamera ii hph altitude record 8 ft 25m 8282012
Bookmarked 701 weeks ago team gamera is back and flight testing their modified version of gamera ii human powered helicopter at the pg sports and learning complex in landover md with new pilot and incoming umd freshman henry enerson in the cockpit a maximum altitude test flight was attempted needless to say we were not quite expecting what happened next henry smoothly pedaled gamera up to just over 8 feet 25 meters altitude and had a controlled descent for a flight time of about 25 seconds this is not an quotofficialquot record but is certainly the highest a human powered helicopter has ever reachedour goals are to continue flight testing to achieve a 3 meter 10 ft altitude as part of the ahs igor i sikorsky human powered helicopter competition 039the sikorsky prize039 stay tuned to this youtube channel as more historic flights are achieved and posted follow us on twittergameraumd_gamerahttp:wwwagrcumdedugamerahttp:vtolorgawards-and-contestshuman-powered-helicopter |
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what the f - what039s up
Bookmarked 769 weeks ago artwork has been sold mechanical kinetic sculpture featuring wooden gears and other mechanisms also made from wood matt black wood frame with clear perspex front driven by electric motor music four non blondes - what039s up |
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the making of a never-ending water slide simulator
Bookmarked 706 weeks ago quotprototype thisquot hosts joe grand and zoz brooks detail the process of building a simulator that mimcs a never-ending water slide the biggest project they built on their showcomplete video available for free at http:foratv20120519grand_and_brooks_inside_stories_from_prototype_this |
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how the curiosity mars rover will land and navigate
Bookmarked 768 weeks ago steven lee the guidance navigation and control manager for the mars science laboratory mission at the jet propulsion laboratory in pasadena calif describes how nasa plans to land and navigate its new curiosity rover on the surface of mars in 2012 read more: http:spectrumieeeorgaerospacerobotic-explorationplanetary-rovers-are-we-alone |