ramanan50

There Are More Colors Than We See

In Indian Philosophy, Science on May 7, 2013 at 09:15

Yesterday my Grandson,three years, was asking me why there are only seven colors.

I replied to him about the Rainbow and we see the colors VIBGYOR in our daily Life.

He asked me immediately why there should be Seven Colors in the rainbow , not Two or Ten?

I could not explain him and told him so.

Later I recollected that Indian Philosophy has answer to this one.

The Vaisehika system of Indian Philosophy has a very advanced Atomic Theory.

According to the Vaiśeṣika school, the trasareṇu (dust particles visible in the sunbeam coming through a small window hole) are the smallest mahat (perceivable) particles and defined astryaṇukas (triads). These are made of three parts, each of which are defined as dvyaṇuka (dyad). The dvyaṇukas are conceived as made of two parts, each of which are defined as paramāṇu(atom). The paramāṇus (atoms) are indivisible and eternal, they can neither be created nor destroyed.[13] Each paramāṇu (atom) possesses its own distinct viśeṣa (individuality).[14]

The measure of the partless atoms is known as parimaṇḍala parimāṇa. It is eternal and it cannot generate the measure of any other substance. Its measure is its own absolutely”

So the Atoms of the Perceiver and the Perceived(object)  atoms for recognition by respective senses.

We become aware when these two corresponding Atoms get connected.

Knowledge is possible when the one who Perceives is connected to the Perceived.

The fact that we do not see any colors is because of the unused Atoms of the Retina not connecting to The Atoms of the Objects which may contain more colors.

People who have tapped their full potential can see what we can not see.

We, not having realized our potential, can not see more than Seven colors.

Now look what Scientists say on this subject.

Why we seven colors.

Figure 4 Pupil responses to sinusoidal modulation of the same “red” and “green” stimuli presented to either the blind or the sighted hemifields in subject G as shown by the Panels on the right. The luminance of the background field was 24 cd/m2 and (u′, v′)-chromaticity coordinates 0.179, 0.467. The luminance of the background field remained unchanged throughout, and the colored stimuli were again d-isoluminant. The chromatic saturation of each stimulus was modulated sinusoidally at a frequency of 0.8 Hz. Each stimulus consisted of eight cycles of modulation with maximum chromatic saturation amplitude of 0.071 unit. The stimuli were interleaved, and 16 traces were averaged for each stimulus condition. The pupil modulation amplitude, δd, and phase shift at the modulation frequency, together with a measure of signal/noise ratio (S/N) and response nonlinearity (N/L) were then computed from the discrete Fourier transform of each averaged trace. These parameters, the measured, detrended pupil trace, and the corresponding reference waveform (phase-shifted to match the phase of the 0.8 Hz frequency component) are shown in each section. The results show that the pupil responds well to chromatic modulation toward the long-wavelength region of the spectrum locus for stimulus locations both in the sighted and the blind hemifields. Pupil responses to the green stimulus imaged in the sighted hemifield are heavily contaminated by a harmonic component at twice the modulation frequency that produces 55% nonlinearity (D). The dotted red trace in C shows the blind hemifield response to “red” modulation taken from A. Comparison of the two traces confirms the 180° phase shift between red and green responses as predicted by the afterimage model shown in Fig. 3C.

http://answers.yahoo.com/question/index?qid=20071207155705AALCp3T

(PhD physicist responds) The eye perceives six colors in the rainbow. Red, orange, yellow, green, blue and violet. (some people include the violet color of Indigo as a separate color.) But there are also colors in the infrared and ultraviolet present as well. The rainbow is caused by diffuse refraction of sunlight in water droplets. The source of the light is the sun’s photosphere. While each atom in the photosphere may emit light at one quantum frequency, the sun is so hot that doppler shifting of the light causes the lines to “fuzz out” so that you see essentially a continuous spectrum of light. The strictly correct answer, would then be, “an infinite number”

“The unseen color aftereffect of an unseen stimulus: Insight from blindsight into mechanisms of color afterimages”

http://www.pnas.org/content/96/20/11637/F4.expansion.html

http://www.thenakedscientists.com/forum/index.php?topic=25659.0

Source:

http://en.wikipedia.org/wiki/Vaisheshika

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