"Any light beam moving vertically downwards in the concavity of the parabola (parallel to the axis of symmetry) will bounce off the parabola moving directly towards the focus." http://en.wikipedia.org/wiki/Parabola
parallel lines never meet. it is an optical illusion
- un prestidigitateur (the man doing the illusion), une prestidigitatrice (fem.). They are also called " illusioniste " or " magicien ". - la prestidigitation (fem.) (the sleigh of hand itself).
A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.
No. If you tilt a parabola, you will still have a parabolic curve but it will no longer be a parabola.
yap.. its just an optical illusion
All mirages are optical illusions but all optical illusions are not mirages.
OpTiCaL ILlUsIoN WaZ MaDe fOr ArT AnD FoR tHe InJoyMeNt oF thE PeOpLE
Optical illusion challenges will increase sharpness of your brain. Also the increasing visual literacy is also possible through optical illusion challenges.
It is in your question already. An illusion will never be real. If it was real then it would be no illusion. Optical illusions are in a way real. They are real optical illusions. We can however not fake an illusion because the illusion is fake from start.
Bored Panda is a great website which offers a number of different optical illusion pictures. You can also find optical illusion pictures from Yahoo! Images.
The Müller-Lyer illusion is an optical illusion consisting of a stylized arrow.
its an optical illusion
on eBay
no.
no.
The mirage was just an optical illusion.