There is a possibility that the surface subsidence shown in Fig. 7(c) was a result of an illusion due to change of the volcanic glow.
Over centuries, wars have been fought for many reasons; as a result of cartographical illusions, land grabs, border disputes, ideological imperialism, and increasingly as a result of a perceived threat to national security.
He is Sky Sports News' Jordan Belfort, whipping his team of starry-eyed interns and research assistants into a frenzy all to achieve a result of impression and illusion, rather than something that actually exists.
According to the McGurk-McDonald effect [4] (that is, sensing the auditory part of a phonetic sound with visual part of another one, results in illusion of perception of a third one), it is evident that there is an early stage interaction between audio and visual stimuli in the brain.
Now it appears that the magic was at least partly the result of a huge financial illusion.
Humphrey argues that this is the result of a benign evolutionary illusion.
The phenomenon could be the result of a simple optical illusion, an ambiguity, or it could be a more complex.
Many of the mysteries at such sites have been debunked as the result of fraud or optical illusion, although the debunking apparently does little to deter tourism, lively debates and a deep fascination with such "X-Files -style attractions.
The exhibit included a vast array of established artists like Frank Stella and Alexander Liberman, and focused on the perceptual aspects of art that result from the illusion of movement and the interaction of color and form.
Debate raged over whether the reported disparity was largely an illusion, the result of underreporting of female babies by parents evading the one-child birth limit, or the result of widespread abortion and infanticide of females.
