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Wireless phone charging technology and Voltage Detection Technology
Asked by ceopaulkim, Mar 8, 2017 04:39 PM in Electrical Engineering
Are there is similarities between voltage detection using a tic tracer and qi charging technology for smartphones? Is it comparable or are they...
Ozone Generator Reactions, family in danger
Asked by mmangiaratti, Aug 16, 2017 10:46 AM in Chemistry
Hi, I was trying to get some bad smells out of my clothes so I ran an ozone generator in the family garage with the clothes inside a box. The...
Shakib Al Hasan hit a cricket ball with a velocity of 30 m/s at an inclination of 30
Asked by ayon, Aug 15, 2017 09:34 PM in Physics
Shakib Al Hasan hit a cricket ball with a velocity of 30 m/s At An inclination of 30  With horizontal. The boundary Distance was 75 m. If...
Number of nitrogen gas (7.5 kg @ 50 bar) cylinders required to pressure test a vessel
Asked by wgwanya, Aug 10, 2017 10:57 PM in Industrial Engineering
The vessel should be pressure tested to 24 bar and its volume 0.822 cubic metres
Spacial Distortion Field Emission
Asked by OpaqueStar7KFGP, Jul 28, 2017 11:36 PM in Physics
Can any kind of field (electromagnetic, radio wave, particle wave, etc.) be "broadcast"/emitted/generated in a non atmospheric environment? More...
Snakes in Zoology?
Asked by KaylaH, Mar 3, 2017 09:56 PM in Zoology
I would love to work with exotic animals like sloths, hippos, giraffes, etc. however I have a deep fear of snakes and several other reptiles. In...
Bugs in the cake mix
Asked by pastor1189, Jun 24, 2017 04:57 PM in Entomology
Sealed box and envelop yet the bugs are in the cake mix. How do you prevent this? Most of the time, moth and worm larvae enter a box of...
How long would it take to charge an iPhone with the kinetic energy of a spinning fid
Asked by samybazizi, Jul 24, 2017 11:14 AM in Electrical Engineering
How long would it take to charge an iPhone with the kinetic energy of a spinning fidget spinner? How long would it take to charge an iPhone with the...
Asked by Phytochem, Jun 24, 2017 06:35 AM in Botany
Hello- If you grab the stalks of a hemp plant, a powder will come off on your hands. Or you can shake the stalk (and leaves) and it will fall off. I...
I need a transformer that will stablize voltage drop Iam having over 240 volt 30 amp
Asked by LAGEE, Jun 26, 2017 06:56 PM in Electrical Engineering
I ran 800 feet # 2 wire 240 volt 30 amp. I looking for a transformer that will stabilized the voltage at 240 volt. When a big load like chop saw...
How much Helium can a 40 liter canister provide?
Asked by JEDALE, Jul 4, 2017 05:29 AM in Chemistry
Hi everyone, I am working on an entrepreneurial project but I have very little scientific knowledge. (Once I receive venture start-up capital I will...
Asked by epuzyard, Jul 4, 2017 05:51 AM in Electrical Engineering
Greetings! First of all, thank you sincerely for going over my inquiry. I am no engineer myself, so please bear with me. I have a research...
I am trying to run 24V through a physical barrier of plastic 1mm thick via magnetism
Asked by Anthony D 17, Jun 24, 2017 07:34 AM in Energy
I'm trying to run 24V power through a physical barrier of 1mm thick material (yet to be determined based on feedback) via magnetism, can anyone help...
Copper and its germicidal properties when electroplated
Asked by Blacksmithgirl, Jun 23, 2017 09:01 AM in Chemistry
Hello, I'm a Farrier by trade (which is a blacksmith that shoes horses) and there is a divide between the guys that use steel nails and the ones who...
Prove that a/b=c/d⇔ad=bc (Principle for equality of fraction)
Asked by syed4all, Jun 22, 2017 02:38 AM in Mathematics
Prove that a/b=c/d⇔ad=bc (Principle for equality of fraction)
Question about Proof of Real Number..
Asked by syed4all, Jun 21, 2017 11:54 AM in Mathematics
Q: For real numbers a,b show the following by stating the properties used: I) (-a)b = a(-b) = -ab ii) (-a)(-b) = ab
Question about Proof of Real Number..
Asked by syed4all, Jun 21, 2017 11:07 AM in Mathematics
Q: Prove that for any Real Numbers a,b ab=0⇒a=0 or b=0
Can such an orbit exist? (picture)
Asked by maxsc, Jun 11, 2017 10:55 AM in Physics
I drew this to show my meaning clearer, now there are some points to consider before answering: This system only has these 2 planets plus some...
Tell me flaw in this design
Asked by vikram_gupta11, May 27, 2017 07:55 AM in Physics
This machine is based on gravity power and seesaw system. We can make it more simple . As per sketch there will be two seesaw system and both will...
How to know the order of an recurrence relation
Asked by carlito brigant, Jun 17, 2017 12:44 AM in Mathematics
Hi, I'm in a hurry, how to find order of an recurrence relation for example : an= an-1 + an^2-2 there order of this function is "2" how is that...

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