Astronomy & Space. How Important Is The Role Of Amateur Astronomers In These Days? What Would Happen If The World Was Turned Upside Down Literally?
Astronomy & Space. Is There Room For The Amateurs In 21st Century? Most Of The Research Works Are Done By The Great Institutions That Are Well Funded.
Frequently Asked Question :
Astronomy Space : How Important Is The Role Of Amateur Astronomers In These Days
Is there room for the amateurs in 21st Century? Most of the research works are done by the great institutions that are well funded. How can a local amateur involve in today observations? Any examples? ~~~ K. M. ~~~
Earth Sciences Geology : What Would Happen If The World Was Turned Upside Down Literally
As in the North pole being at the south pole, and the south pole being at the north pole. That is what I mean by upside down. ~~~ April ~~~
Chemistry : What Happens To The Atoms Of The Reactants In A Chemical Reaction
What happens to the atoms of the reactants in a chemical reaction? ~~~ divchyna_melomanka ~~~
Engineering : How Can I Use A Transistor To Turn An Electromagnet On And Off
I tried connecting the transistor to a 10V battery and then to my electromagnet but it got blown up in two.... I also tried putting a resistor in series but the electromagnet wouldn't even work! Is the resistor taking away all the power? I need to use my PC to control the electromagnet, any help? ~~~ waterloo_guy ~~~
Earth Sciences Geology : How Is Water Pollution Related To Population Density And Urban Development
Also, why are herbicides in urban settings at high levels? ~~~ TheDoctor ~~~
Engineering : How Do I Apply Electric Charges Using Batteries And Clips
I need to know how to apply charges to an object. I have the batteries, the battery holders, and the clips. Now I need to somehow direct that energy current onto an object (agar plate). Even basic info will help. ~~~ mvplayur ~~~
Chemistry : Why Is It That Adding Salt To Water Lowers The Freezing Temperature
Salt's freezing temperature is much higher than water (it is most often found as a solid in the real world). So if added to water, shouldn't it raise the freezing temperature of water instead of lowering it? ~~~ ~~H~X~D~~ ~~~
Engineering : How Can The Combination Of H2 And O2 Be Used To Make Electricity From Separate Containers
I know basically how Hydrogen fuel cells work, but I was wondering if there is a way to have the O2 and H2 in totally separate containers and still get electrons to pass through a wire somehow. I know this would mean having a limited, one-time reaction, but is something like that possible? ~~~ zolkabir ~~~
Engineering : How Do I Make A Simple Houshold Circuit With A Utility Battery
Okay, so I have a utility battery (which basically is like a car battery) and I am going up north for the summer and I want to be able to run a stereo. But because there is no electricity at the place I'm going it's not just plugging it into a wall. Also I want to run a big stereo not one of the small ones that you can carry around with D batteries in it. So I have the battery, and was hoping that some one could tell me where to go from here. My biggest worry is the current flow, do I need some type of converter to convert energy so that my stereo won't fry? Or will a switch and an outlet do the job. Thanks to anyone who can help me out. ~~~ Flakes ~~~
Botany : What Is It Unlikely That Beech Flowers Are Pollinated By Insects
And, what is the most likely method of pollination for them? ~~~ Grapy ~~~
Physics : What Is The Resistance Between A Pair Of Diagonally Opposite Vertices
Twelve identical W resistors are joined and used to form the edges of a cube. Hint: If two points in a circuit are at the same potential, then you can mentally connect them and consider them as the same point. ~~~ Brittney J ~~~
Chemistry : How Is Drinking Water Treated In Order For It To Be Safe For Consumption
And could you maybe relate it to how chemistry plays a role in this? ~~~ TheDoctor ~~~
Engineering : How Do You Calculate How Much An Appliance Costs To Run
I know Voltage, Amps, and cost per kilowatt hour. WhatI don't know is if my Hot tub runs for 2 hours and draws 21 amp, how do I convert Amps to kWh? If you know the formual, please let me know. Hot tub is 220V, and draws 3 Amp while idle, and 21 amp when circulating (about 5 minutes every hour), Hydro costs cents per kWh. If you know the math on how to calculate how much it costs me to run this hot tub, let me know. I've not found a formula that I can follow on the net. ~~~ Bones ~~~
Physics : How Do I Measure The Period Of Oscillation Of A Standing Wave
for the first harmonic with a frequency of 8 Hz and wavelength of 180 cm. Speed is 1440 cm/s. ~~~ fallen star ~~~
Biology : How Does The Cell Membrane Relate To Other Organelles In The Cell
How does the cell membrane relate to other organelles in the cell? ~~~ Tom ~~~
Other Science : I Heard A Boots Left Over From The Titanic Disaster Are Perfectly Preserved Underwater Is This True
The source I heard this from, his reasoning is that there is no oxygen underwater, so the boots (or any other articles left over from the wreck), can't oxidize and ruin. This is also why dumping waste into the sea won't work, because it won't decompose. How true is this? ~~~ The Luna Divider ~~~
Smart cards,mobiles are based on chips memory and help me understand its system and mechanism vis-a-vis to proteins possibility for recording Bio-codes IN Seeds/Stems of plants or sperums/genes of mamals.. Is the possibility of brain proteins being in coated forms as can be achieved on simple floppies recordind? I mean to add- that each cell is having coating and each cell of brain behaves as nano-floppy for memory accidental earase looses memory or old age washes memory like old spoiled /plasticised floppy. iT IS IMMAGIOMARY---YOUR VIEWS or testing,if any? ~~~ catcanind ~~~
Physics : How Do You Build A Ferris Wheel
I need to build a model ferris wheel for a physics project and I need to know what I need and how to get started. Thanks. ~~~ ♥Panada♥ ~~~
Engineering : What Is The Exactly Calculation For Nozzles When We Use FM200 Fire Fighting System
Hi every one I want ask regarding fire alarm or fire fighting system it's need special Equipment and Calculation .Is here any one can tell me what is the exactly calculate need for Nozzel and if there any software can use it for this . ~~~ tayseer740 ~~~
Agriculture : What Place Occupies Canada Economically In The International Area With Regard To The Agriculture
Which is the position of canada on the international market, which producing place occupies, how many food or agricultural product is exported, and how many is imported? ~~~ hunter ~~~
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