If Electromagnetic Radiation can travel through the vacuum of space then it can travel without a medium, but shouldn’t this be imposable? Or is it true that Electromagnetic Radiation uses the medium of existing magnetic fields, such as earths, distorting these fields much like sound waves do to air? And if so how can this have a direction of Travel?

Electromagnetic waves travel through a vacuum and any other physical medium slows or stops their progression. They do not use existing magnetic fields as a medium, though they do interact with them.

An electromagnetic wave is nothing more than an a propagation of a changing electric and magnetic field. these fields are always perpendicular to each other and travel in the direction of E x B, where E and B are vectors indicating the direction of these fields.

Its because these are electric and magnetic fields. These fields are just regions where forces are exerted on charged particles, they are not made of particles themselves in the same way that sound waves are made from air molecules.

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I read some in a travel book and the warnings were so scary concerning assaults, weapons and kidnapping. I am now a little shy of travelling there and yet would like to go if it is safer than what I read. Anyone help?

I’ve been to Ecuador twice and traveled there extensively. If you travel smart and are aware of your surroundings, I don’t believe it is dangerous. Of course, you have to be aware, especially of pick pocketers (and in Quito many young street children are the worst) so just make sure you keep your money and valuables close to you.

I heard a few stories of people being held up, but all of those people were carrying too much (one for instance had 4 cell phone and 2 cameras). Someone mentioned blending in and not wearing anything too flashy, that is good advice. In the time I spent there (over 2 months) I did hear of one story that occurred on the Columbian-Ecuador border, where rebels boarded a bus and robbed the riders. This is not meant to scare you from traveling Ecuador, as all of my experiences were WONDERFUL! I just wanted to give you all of the info I had.

Some things that would make your travels safer and easier:

Be able to speak some Spanish
Do not walk alone at night
Travel by taxis at night (especially in the cities)
Keep your valuables secure, but do not carry more than what is necessary
Walk around with your head up and confidently

Most of all, enjoy the beautiful place that is Ecuador, there are so many beautiful things to see and experience and Ecuadorians are such wonderful people.

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My Optics lecturer said something about how since light travels in a vacuum, you could, potentially, have something travel faster in a different medium, one other than a vacuum.

True or false?

It has been done. Get something Traveling in a vacuum just below the speed of light, and then whack it into a medium where it is now traveling at faster thant he speed of light in that medium. The particles that have had this done to them, slow down dramatically, and radiate their previous energy – its called Cerenkov radiation. So , yes – particles can exceed the speed of light, if they are in some medium other than a vacuum, but not for very long.

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My Optics lecturer said something about how since light travels in a vacuum, you could, potentially, have something Travel faster in a different medium, one other than a vacuum.

True or false?

It has been done. Get something traveling in a vacuum just below the speed of light, and then whack it into a medium where it is now traveling at faster thant he speed of light in that medium. The particles that have had this done to them, slow down dramatically, and radiate their previous energy – its called Cerenkov radiation. So , yes – particles can exceed the speed of light, if they are in some medium other than a vacuum, but not for very long.

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Hi
Im wanting to start a membership Travel Agency on line. I would like to know where the Tour Operators get their warehouse holidays in order to make a profit. Is there a software or website that the Travel agents use were they get the holidays at a flat rate, factory (warehouse) price.
Obviously the travel agent gets the holidays from somewhere and then put their own mark up on.

You will envitibly fail with no knowledge, ATOL or Abta bonded operation. Consider Home working first. Look at Travel Counsellors or Hays Travel. Even then you would need some background knowledge. To set up a website with none of the above, nobody will touch you with a barge pole. Sorry to e frank, but you could potentially lose lots of £££££’s

I’m studying abroad in Italy this fall. I want to go to other countries while I am there, but a lot of the groups I’ve been finding for "cheap student travel" seem questionable. Anyone have any good Travel companies that were reliable, safe, and affordable? By safe and reliable, I mean I won’t be scammed.

The best way is use kayak to search for flights and hotels and then book directly with the airline or hotel.
Most online travel sites cannot be trusted since once they charge your credit card you are on your own.
Check the links below for scary information

If we have travel time and Travel cost, under what conditions can they be considered as substitues? Under what conditions can they be considered as complements?
Could you please give example in transportation system?
Thanks.

When commuting to work people choose mode of transportation bases on a combination of time and cost, Public transportation or car pooling is cheaper than driving alone but takes more time, so people can substitute one for the other.
Vacation travel requires time so the more time you have for vacations the more money you will spend on transportation for travel, so time and cost will act as compliments.

I’ve heard that it will take roughly 9 months to travel to Mars. But, time Travels faster when farther away from large gravitational fields. How long will it take from the point of view of an astronaut making the trip? What will be the maximum difference in the speed of time from an astronaut on the journey from the speed of time at mission control on earth?

actually if you only considered time dilatation due to gravity, the clocks on earth would be slower than clocks on a spacecraft which is not in the gravity well of earth

However in this case, time dilation due to speed will be present so the net effect will be that the clocks on the spacecraft will be slower than that on earth.

Escape velocity from earth is 11.186 km/s. Lets be generous and say the space ship can go 10x that. Using the calculations from the website below, time dilatation factor would be 1.0000000696110642 times slower. If i calculate correctly, you lose 2 point something seconds a year

I’m a retired pro photographer and want to travel (with my husband as assistant) and take photos to submit to stock Photography companies. Scenics, local cultures, wildlife, etc.
How much of my Travel expenses can I legally deduct from my USA income tax? Opinions? Experiences?

If the principal purpose of your travel is for Business then you can deduct those costs, but you must prorate them between the business and personal purposes.

If the principal purpose is personal then you can only deduct the portions of lodging and meals (at 50% on the meals) that are directly attributable to the business purpose. No travel and transportation is deductible.

If the IRS determines that this is more of a hobby than a true business they will further limit any deductions that are allowable to the income you generated from selling the pictures. In this case the income goes on line 21 of Form 1040 and the allowable expenses go on Schedule A as a Miscellaneous Deduction.

Has anyone ever been a travel agent or known a travel agent that made alot of money or that owned any kind of travel Business and was successful? I would like to know what kind of license I need in order to be a legitimate travel agent. I am based in New York. Is there are school I need to go to or training online. What company should I affiliate myself with? Any Travel agents, please give me the low down. Thanks.

I am a travel agent with YTB. The company provided me with a website that people can go on to and book there travel. They also provide all the training and support I need to be a successful travel agent. It is really a great program and I’ve already booked travel for some friends of mine and seen the commission. When you sign up with the company you get your creditials in a couple weeks after signing up. This is a very legitimate and trustworthy company that has been in the business for over 5 years. Also publicly traded. Watch this presentation for a little more information: http://www.travelproinsider.com my personal site is http://www.ytbtravel.com/kuhlber
Contact me and I will answer any questions you may have and give you more information.

-Dane