Ramani Aswath

Ramani Aswath

Member

Member since
Apr 1, 2011
Last active
Dec 5, 2025
Total activities
2

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Recent contributions

  1. #Threads

    Moving house is common. Moving a 6,200 Ton Building?

    An amzing feat of moving an entire 122 year old building, the Machine Factory Oerlikon building in Zurich, by 60 metres foundation...

  2. #Threads

    Self cleaning surfaces - Candle Soot coating sheds both warter & oil

    Amphiphobic - Repelling both oil and water is the remarkable property of this nano material film devloped by researchers at the Max...

  3. #Discussions

    How many cubes are on the trailer?

    The only solution that is consistent with the three drawings seems to be one cube located at centre left in the top...

  4. #Discussions

    In a room of 100 people, 99% are left-handed. How many people need to leave to bring it down to 98%?

    50 lefties have to leave. The lone right hander should not leave. That leaves 1 RH and 49 LH. That gives (49...

  5. #Discussions

    Login success

    First time login to the new CE worked fine.

  6. #Discussions

    4e4f9cd5-6860-4032-a958-e4005af36f1f

    The elephant is a vegetarian. No significant carbon emissions. 3D print a properly designed Howdah for a mobile office. Power pack can...

  7. #Threads

    Raspberry Pi Zero Guitar Pedal

    Pedal-Pi is a lo-fi programmable guitar pedal that works with the Raspberry Pi ZERO Board. The project is totally Open Source &...

  8. #Threads

    Want to start on Robot Automation? A Beginner's Tour Webinar on 16th August 2018

    Quote:In this webinar you will receive a step-by-step guide on how get started with robotics in automation and the key aspects to...

  9. #Threads

    Who is an Engineer? You are if you do order of magnitude calculations

    What differentiates an engineer from a scientist? Both study the same principles. Often the same text books. The former is hands on,...

  10. #Threads

    Magnetic Gears are the new Attraction to Wind Energy harvesting

    Quote: Bad things can happen when the mechanical gearbox in a megawatt-scale wind turbine gets overstressed. An unexpected wind gust can drive...

  11. #Threads

    0518ca85-3d3b-4a16-8d5d-c477c230c8d0

    Dark glasses attenuate visual radiation, ear muffs attenuate acoustic radiation. Likewise various shields can attenuate various radiations. Depends on the type...

  12. #Threads

    13953192-3ea9-40bb-ba80-e0f17cc476b5

    I am unaware of an equivalent law. Maybe Ampere's law relating Magneto motive force to the number of turns in a coil...

  13. #Discussions

    86cc77ec-409b-46d3-898a-a04eed123016

    Most experts agree that air for breathing should be between RH 40 to 70%. Higher humidities can lead to problems , especially...

  14. #Threads

    2f836c08-49ff-459c-8cde-a14449381f2d

    I feel that 200,000 is pretty high. In any case friction factor for 10,000 to 100,000 does not vary much. The drawing...

  15. #Discussions

    25cfb2b9-1c8a-4029-894d-e67fcdbd9b1e

    There is no technical difference between this and the desert cooler. Both work on the same principle water removes 0.56 kcal of...

  16. #Threads

    00670f95-4f35-4310-bcc1-0d72034f306b

    <a href="https://www.societyofrobots.com/mechanics_gears.shtml" target="_blank" rel="nofollow noopener noreferrer">How to Build a Robot Tutorials - Society of R...

  17. #Discussions

    1c161787-0040-4c5d-8eea-c19ae335f989

    In the hospital context, they maintain all healthcare systems, equipment, gas supply systems and such. They do not take part in actual...

  18. #Threads

    Zinger - World's Lightest Electric Wheel Chair

    No this is not a medical device. Hence posted here. Quote: At 38 pounds, itâ&#128;&#153;s the worlds lightest folding chair... that can...

  19. #Threads

    28fb6acb-f721-408a-bd96-8b60b4bff9e7

    Durga, ET, really missed meeting up. Why not you two write up a more detailed piece for us all for the news...

  20. #Discussions

    6df33778-2a82-47d3-8a12-e41eaeb713b8

    I had a classmate in Chemical Engineering at Andhra University back in the late 1950s. He passed out , went to USA...

  21. #Discussions

    d06823d9-84ea-4e27-b866-28b506ac0fee

    A recording of the session: Panel session recording: The future world of engineering skills and careers https://www.theengineer.co.uk/content/videos/panel-sessi...

  22. #Discussions

    nyone interested in The future world of engineering - skills

    Register now for The Engineer UK organized free December 6th online panel session exploring what the current era of profound technological change...

  23. #Discussions

    Will a New Motorcycle Lighting Design Could Save Lives?

    According to the NHTSA (National Highway Traffic Safety Association, USA), motorcycle drivers are more than 25 times more likely to die in...

  24. #Discussions

    34b8948e-9bfd-4b9f-97b8-1030b97266a6

    If the discussions are ongoing, it may be helpful for such to be upfront.

  25. #Threads

    7bae026a-fdfb-4e2e-aad2-a9721112aebd

    Why don’t CEans do some very basic thermal calculations? They will then know that this is theoretically impossible.

  26. #Threads

    What Are 20 of the Top Tech Companies Paying Engineers?

    Design News reports: Jobsite, <a href="https://www.glassdoor.com/index.htm" target="_blank" rel="nofollow noopener noreferrer">Glassdoor Job Search | You deser...

  27. #Threads

    “Deepfakes” are here, now what?

    Mozilla says: In a 2018 video, Barack Obama looked into the camera and warned:â&#128;&#156;Weâ&#128;&#153;re entering an era in which our enemies can...

  28. #Threads

    5 of the Best Free Software Stacks for AI Development

    Design News says: Advances in artificial intelligence (AI) and machine learning (ML) have had a significant impact on the industrial, consumer, automotive,...

  29. #Threads

    Salto jumps at complex tasks with new control systems

    The Engineer (UK) reports: In work being carried out for the US Army, Salto â&#128;&#147; saltatorial locomotion on terrain obstacles â&#128;&#147; has...

  30. #Threads

    Amazing (albeit bombastic) speech by Netanyahu at Washington DC

    <a href="https://www.dropbox.com/s/qfje2vosl98gvdu/VID-20190529-WA0000.mp4?dl=0" target="_blank" rel="nofollow noopener noreferrer">Dropbox - VID-20190529-WA000...

  31. #Threads

    How To Create A Career - Darius Foroux

    Darius asks: You and I both know that a fulfilling career doesnâ&#128;&#153;t come for free. The price is hard work and effort....

  32. #Threads

    10 Breakthrough Futuristic Military Technologies to Watch

    Design News reports:#-Link-Snipped-#

  33. #Threads

    32270f90-cbcf-402e-85e1-1d832a82846d

    What’s wrong with Pune? You will know on CE that the best place for engineering is inside your own head.If you have...

  34. #Threads

    f1394d1a-edb1-48a3-b03e-3435c92dd96b

    #-Link-Snipped-#<a href="https://www.google.co.in/search?q=nptel+boolean+algebra&ie=UTF-8&oe=UTF-8&hl=en-in&client=safari" target="_blank" rel="nofollow noopene...

  35. #Threads

    eb323499-908c-47aa-b0a4-d8e766d81f70

    Suppose a post put up in general category also has a special group relevance (happens often) can the poster have an option...

  36. #Threads

    The Future is Bright: Sights and Sounds from ISEF 2019

    Machine Design says: Senior Technology Editor Bill Wong made the trip to the Intel International Science and Engineering Fair in Phoenix, which...

  37. #Threads

    4ae0037f-5af0-437b-8fbc-bd00f9222e9a

    B 14, I think.Subtract 1 from each peripheral number and multiply all.(4-1)x(3-1)x(5-1) = 3x2x4 = 24(3-1)x(7-1)x(2-1) = 2x6x1 = 12So, (8-1)x(3-1)x(2-1) =...

  38. #Threads

    15 Puzzles That Will Keep You Up All Night

    World Industrial Reporter has this:#-Link-Snipped-#(Tried posting on puzzles group. Could not open the dialogue box. Hence here)

  39. #Threads

    Braided frame keeps very light rail on track

    Engineer (UK) says: The frame, which is weaved, or braided, from carbon fibre composites into a series of tubes that can be...

  40. #Threads

    Engineering expertise is a powerful communication tool. Do we use it?

    Engineer (UK) says: Engineers solve the worldâ&#128;&#153;s most complex and important problems. They should use that expertise in their marketing, says David.....

  41. #Threads

    4ff95e52-2952-45c4-835f-9a5eb6929d72

    Two (best or not) are:Engineers Without Bordershttp://ewb-international.com/Engineering World Healthhttps://www.ewh.org/

  42. #Threads

    The Best Free Apps and Software You're Not Already Using

    Disclaimer: No idea about any of these. For what it is (if it is) worth:<a href="https://gizmodo.com/the-best-free-apps-and-software-youre-not-already-using-183...

  43. #Threads

    Five essential business skills for engineering entrepreneurs

    Ana Avaliani of the Royal Academy of Engineering discusses why it is critical that we close the business skills gap to drive...

  44. #Threads

    A deeper look into NERA – the world´s first fully 3D printed E-Bike by NOWLAB

    Engineer(UK) says: BigRep unveiled the NERA E-Motorcycle on November 13, 2018 at Formnext and it went viral!Now letâ&#128;&#153;s take a deeper look...

  45. #Threads

    c0a09efb-a41e-4d64-a198-a96c729da671

    Since it is a green house, solar radiation will be the maximum load, added to this will be the 1700.05 kW from...

  46. #Threads

    6e54b6f5-cadb-4700-af39-4812cbfeb7ed

    Just what I suspected. Then the roof is probably glass, maybe tinted, which will reduce the transmitted solar wattage. Greenhouses are used...

  47. #Threads

    Five-seater electric air-taxi lifts off in Munich

    Engineer (UK) says: German startup Lilium has completed the maiden flight of its all-electric air-taxi, a five-seater VTOL tiltjet capable of covering...

  48. #Threads

    0be1fa2e-9fbd-4558-936f-bcaac0db3a05

    What is this total area of 7700 m^2? Floor area? Area of walls plus floor plus roof.It is impossible to get any...

  49. #Threads

    b6ae8832-dffd-474b-8ed9-54973de032d7

    At ambient temperatures and stress levels well below the yield stress there should be no relaxation in a truly elastic material.In some...

  50. #Threads

    fdf408c1-2856-47a6-9af8-d46f5fda515f

    Thee are too many loose ends in the description. If the total area is 7700 m^2, it cannot all be in one...

  51. #Threads

    21cc1b91-44ae-42a2-90a8-6ba50952c06b

    I am guessing. MIG may refer to Metal Inert Gas welding. Consumable electrodes are used for this.#-Link-Snipped-#

  52. #Threads

    Will Blockchain handcuff the hackers and cut corruption?

    If the above can happen as suggested by 'Electropages', Blockchain will be blocked by most governments.<a href="https://www.electropages.com/blog/2019/05/will-b...

  53. #Threads

    A truly CE idea: Put out a fire in space by vacuuming it

    Tech Briefs says:Researchers from the Toyohashi University of Technology in Japan have developed a new type of fire extinguisher that is optimized...

  54. #Threads

    8fc7ed15-c834-4012-9d3a-e1f6f2dbd565

    Stress relaxation is more applicable to viscounts-elastic material like glass, polymers and composites.Steel, within the elastic limits at ambient temperatures,...

  55. #Threads

    73241713-d636-473c-99f1-cd8bfaa4881e

    Consider this. The bottom portion of the column has been under more than 5 tonnes compressive load since 402 AD. However, it ...

  56. #Threads

    0c8c0ae1-a1c0-4a62-8992-47622d863a3e

    Creep happens at a higher temperature. Nothing much happens at ambient temperatures.Here is a description of the famous iron pillar at Delhi...

  57. #Threads

    6d008dec-b124-4b52-9442-31a5830febc4

    Creep is another process that can cause problems in certain metals even when they are stressed well below their yield strength. In...

  58. #Threads

    21291825-6f5a-4331-a575-9c0523742d16

    Not likely. However, stress corrosion cracking is possible in such cases.#-Link-Snipped-#<a href="https://en.wikipedia.org/wiki/Stress_corrosion_cracking" targe...

  59. #Threads

    6650bc69-9444-4fd1-87bf-5d4cef57ad18

    My apologies. Sea water has nearly 3.5% salt not 1%, almost the same solid content as the residue you are looking at.

  60. #Threads

    014871ed-b8cf-4252-b6f3-3106f1554a0f

    Where are you doing your biomedical engineering studies?Aravind eye hospital in Puducherry does some amount of biomedical research related to sight. Have...

  61. #Threads

    a9c875e8-c0a6-47d6-b09c-d76426cdfb13

    In my opinion the solar open pond evaporation process used for salt from sea water ( solid content about 1%) can be...

  62. #Threads

    2f0c5ed2-bbeb-4751-bb61-a20e0e553bea

    #-Link-Snipped-#

  63. #Threads

    2d50a442-dfc9-4887-8b73-888b2b25eac4

    In a single phase motor, W= VxIx cos(phi).Full load current of a 1 hp induction motor will be about 8 amps taking...

  64. #Threads

    90b5ce69-79f9-4829-aee4-998f9143bad2

    The question is not clear. A sketch of the circuit may help.

  65. #Threads

    Learn The Entire Python Language In A Single Image

    The only pythons I know of were some in my grandfather's farm and a huge one that I saw in Thekkadi sanctuary...

  66. #Threads

    How to Write Email with Military Precision?

    From Pocket: A few tips on how to craft emails to quickly and clearly relay messages and avoid miscommunication.<a href="https://getpocket.com/explore/item/how-...

  67. #Threads

    Classical Automation enters the Alien World of IT

    DesignSpark says: In the first of a new series, Dr Volker de Haas, designer of the open source PLC/IPC Revolution Pi, explains...

  68. #Threads

    The Best Space Movies of the Last 10 Years

    Design invites: Take a look at how space has been portrayed in film over the past decade, from nonfiction movies such as...

  69. #Threads

    Changing an Atom or Two of an Electrochromic Material Changes its Color

    Machine Design says: A serendipitous discovery by a grad student at the Georgia Institute of Technology has led to materials that quickly...

  70. #Threads

    e2a62f54-527d-4fc3-923a-7bf9f8f64eb2

    #-Link-Snipped-# has given (without a PPT!) all that needs to be done.If the audience are peers, you can be technical all the...

  71. #Threads

    020e725b-3308-4d7e-af9f-e5a67327b4bd

    <a href="https://ieeexplore.ieee.org/abstract/document/1084518" target="_blank" rel="nofollow noopener noreferrer">A model for slew-induced distortion in single...

  72. #Threads

    7a6ca285-28a4-4a0f-96c7-8b3548aeee64

    1 kwhr = 860 kcals 15 watts adds 13 kcals of heat in an hour. That much extra has to be removed...

  73. #Threads

    65b2bce6-4daa-4637-a3e2-23bbdb2b9ffb

    A solar tree is a large scale solar power generator. Why do you need that for charging phones? Solar trackers themselves need...

  74. #Threads

    a25e4b39-fdbb-4da8-86c9-d3d997f16170

    #-Link-Snipped-#

  75. #Threads

    9ecf7373-a3e9-4c7f-8c96-cb519a4bdcb0

    KABOT   GOAT   CEREBO  BALLOT   EXBOT   TINYTOT   MEGABOT

  76. #Threads

    23b04b80-173c-453c-a26b-9ec84ab90177

    The crucial issue may have to do with the door mechanism.How do the doors open and close? What is the fatigue life...

  77. #Threads

    732384b2-d8c0-4069-b80c-47c85608a255

    <a href="https://nptel.ac.in/courses/122106025/9#" target="_blank" rel="nofollow noopener noreferrer">NPTEL IITm</a>

  78. #Threads

    Intel and Cray Will Deliver First Exoscale Supercomputer to National Lab

    Machine Design says: Intel Corp. and Cray Inc. will deliver the first supercomputer with a performance of one exaFLOP. It will be...

  79. #Threads

    "4 Crazy Medtech Innovations" That Are Tearing up the Script

    MD&DI says: Decision Resources Group (DRG) released a new report today, "4 Crazy Medtech Innovations" that identifies four areas of medtech innovation...

  80. #Threads

    Webinar on AI for embedded system developers

    Design News says:Join us today at 2:00 PM EDT for the start of this weekâ&#128;&#153;s course Machine Learning for Embedded Software Engineers.Artificial...

  81. #Threads

    fbe4f366-07ff-4b5b-b74f-ace5cfd82452

    This is not about tubes. However, it does cover Civil engineering applications:#-Link-Snipped-#

  82. #Threads

    93378304-6c7f-456c-b92c-39609e82be4e

    <a href="https://scholar.google.co.in/scholar?hl=en&as_sdt=0%2C5&q=thin+walled+composite+tubes&btnG=" target="_blank" rel="nofollow noopener noreferrer">Google...

  83. #Threads

    The all-new Avishkaar Maker Studio makes personalization possible!

    #-Link-Snipped-#

  84. #Threads

    ea79ee9a-b93d-4237-b953-2558c90ec42e

    This is a materials science project. FRP tubes are mature products. Any number of them are freely available in the market. What...

  85. #Threads

    Avishkaar Summer Internship Program 2019

    I got introduced to Avishkar through CE.They have come up with an exciting summer internship programme for 2019. CEan students can have...

  86. #Threads

    Facebook Has Released a Machine Learning Tool to Help Engineers Code

    Design News says:Engineers will often write code that can be similar or identical to code used elsewhere. A tool that allowed programmers...

  87. #Threads

    b85d5d66-061b-41a3-9f47-f24d5fd50c82

    Seebeck effect is what you observe with a thermocouple. When there is a temperature difference between two junctions of dissimilar metals a...

  88. #Threads

    021147e2-b076-4330-8989-ec4fda6a6f3f

    #-Link-Snipped-#

  89. #Threads

    1d9fd29d-3b7c-420a-8bab-a6cfb14677e4

    Details missing. Unable to make out what is required.

  90. #Threads

    59555629-cd1f-4fb2-8600-b64610091cd4

    Many will be colour blind as well. This may have to be figured in. Will all be able to read English?If the...

  91. #Threads

    Meet Blue, the Low-Cost, Human-Friendly Robot

    Robots may have a knack for superhuman strength and precision, but they still struggle with some basic human tasks such as folding...

  92. #Threads

    ad5b78d0-7010-4279-9729-2860fd4db008

    <a href="https://www.google.com/search?q=Disaster+management+in+India&client=firefox-b-d&tbm=isch&source=iu&ictx=1&fir=TXcMhzkLLX9UhM%252CxeVy7KfkuFqptM%252C_&v...

  93. #Threads

    6a38ce37-b725-4d0a-adcf-ac615fb2d38d

    In most of India disaster management is a disaster in itself. Usually there is shortage of water even for essentials unless the...

  94. #Threads

    7dfa682d-bd3d-4570-8026-b421d433a6ff

    #-Link-Snipped-#

  95. #Threads

    A Black Hole Has Been Photographed for the First Time

    Design News says: By its very definition, a black hole cannot be seen . They are so dense no light can escape...

  96. #Threads

    Yngwie Malmsteen goes heavy on ‘unbreakable’ guitar

    A truly Crazy hard core engineering to make a   Guitar!Engineer (UK) says: An â&#128;&#152;unbreakableâ&#128;&#153; 3D printed guitar has been given the...

  97. #Threads

    b96673e6-7d49-4f8b-b8a2-ae95b1f878e2

    As of now there is no disruptive technology to produce Al economically other than the present fused salt electrolysis. The bauxite has...

  98. #Threads

    1a6140e2-6165-4d47-96af-935e03b243c6

    Government subsidies still continue in China.The group I work for is a very large consumer of aluminium. Aluminium economics is a major...

  99. #Threads

    3f1b7431-3041-4f2d-91d5-b1536e3c13b5

    It is the government subsidies that causes the discrepancy.#-Link-Snipped-#

  100. #Threads

    d279f880-0e4c-41f3-a188-13d5feb80326

    The real raw material for aluminium is not bauxite, which we have in plenty, but electric power, which is an issue. About...

  101. #Threads

    Can This Basketball-Playing Robot Beat a Professional?

    World Industrial Reporter says: Japanese engineers have developed CUE3, a basketball-playing robot designed to make three-point shots. It only hit five out...

  102. #Threads

    Proposed Supercomputer Will Be Six Billion Times Faster Than a Cray-1

    Design News says: A breathtakingly fast computer being developed by Cray Inc. and Intel Corp.may help address some of the worldâ&#128;&#153;s most...

  103. #Threads

    d5ce6a5b-e390-4ac5-83e5-b1edb288841d

    I use Tony Buzan's mind mapping a lot. Found this in his book: 'The Mind Map Book'.Gives an idea of one person's...

  104. #Threads

    cae9b9b2-e007-4e9c-96b7-93442583b400

    There is a Tamil saying: “போதுமென்ற மனமே பொன் செய்யும் மருந்து“meaning: A contented mind is a gold spinner.As they say, in the end...

  105. #Threads

    Most Embedded System Failures Can Be Prevented

    Design News says: Early awareness of problems is the key to circumventing failures of embedded electronics, an expert will tell attendees at...

  106. #Threads

    d9fcbf09-6629-4bfa-b9d0-295aba5eff6c

    If the spirals are nesting, that is, when looked from the top one sees all the spirals one within the other, you...

  107. #Threads

    FindyBot3000 - a Voice Controlled Organizer, just the thing for crazy disorganised EEs

    As any maker can attest, over the years, one collects a lot of parts. Perhaps it all started with a few resistors...

  108. #Threads

    Free E-Book: Turnabout: Auto Industry Heads Toward Electrification

    Design News says:The inevitable is upon us.After a quarter-century of fitful stops and starts, the auto industry has accepted the inevitability of...