The 5th dimension is another outcome to your future
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The 4th dimension is thought of as time. If you could see yourself in the 4th dimension you would look like a long line from your birth to your death.The 5th dimension is another outcome to your future6th all possible timelines for you7th (gets really large scale here) the 7th dimension is like 4th only it deals with our universe as a timeline instead of one person. So the 7th dimension is the start and end of our universe8th is another universe with different starts and ending.9th is every possible beginning and ending to every possible universe.10th dimension is everything.I got this from the http://www.tenthdimension.com/medialinks.php
Euclidean geometry.
What exactly does that have to do with the 4th dimension?
As much as I'd love to spark another one of those god complex arguments and all, you know you are arguing with uppity kids who assume they're always right, right? But I totally agree with your point. You, at least, are making factual arguments.
with an instantaneous speed of ≈ 1,080,000,000 Km per hour
There are 4D theaters, they are just normal 3D theaters but the forth dimension is added by feeling, like mist, (It being the only safe 4D effect I can currently thing of) or movement in your seat.