Menu

Search
Close this search box.
Logo_EN
Logo_EN
Search
Close this search box.

The invisible light

The invisible light

header_luz_invisivel2

Light has always been an element of special interest for man, and the understanding we have today of its essence has taken a long time to take root. In the battle for learning the mysterious aspects of light’s nature, many interesting experiments and fascinating results have been achieved. 

For centuries, the notion of light remained connected to what was possible to deduce with our own eyes. The existence of lights not perceptible through eyesight was an extraordinary and unimaginable feat. 

The Greeks studied and contemplated optical phenomena and theorized on explanations for the colors, vision, and astronomical events. The poet Homer, the astronomer Ptolemy and the philosophers Pythagoras and Plato stand out among the prominent Greek scholars of optics. 

Abu Ali al-Hasan Ibn al-Haytham (965-1040),

In the Muslim world, Al-Kindi (801-873) was one of the first writers on optics and, in a work known as De radiis stellarum, he proposed a theory stating that “everything in the world emits rays in every direction, which reach everything.”  

The Arab Alhazen, Abu Ali al-Hasan Ibn al-Haytham (965-1040)conducted studies with lenses in Basra, Iraq, and is frequently seen as the “father of modern optics.” Ibn al-Haytham defined the physical nature of luminous rays, developed the darkroom, and several theories about vision. 

In the following years, the search for explanations about optical phenomena in nature would remain linked to the science of what we could perceive through our eyes. 

In 1665, Isaac Newton, when focusing a beam of sunlight onto a prism, noticed that it was not light coming out of the prism but a rainbow with all its colors. Although this phenomenon was already known, it was believed that the prism gave color to the light; after all, a white beam of sunlight entered the prism and several colors came out. 

Challenging such explanations, Newton arranged two prisms in sequence, so that the second received only one color from the first – red. The result was that the color that came from the second prism remained red. Therefore, the prism is an optical component able to decompose the incident light into all its constituent colors. 

Newton concluded that white light must be composed of the combination of a wide range of independent colors. He argued that the corpuscles of light associated with the various colors generated vibrations, and the sensation of red must correspond to the longest vibration and violet, to the shortest. The colors we could see were due, therefore, to the different vibrational frequencies of light. 

The mysteries seemed to have been unraveled, and it was possible to scientifically explain everything that could be seen. And all that the human machine could see and explain should, ultimately, be all that should exist. 

The point was that man’s ingenuity, supported by science, would prove that the truth turned out to be much more beautiful and mysterious than previous relative theories. 

In 1800, Frederick William Herschel (1738 – 1822), a German-born British composer and astronomer who also discovered the planet Uranus, conducted a famous experiment to measure the temperature of different colors of the spectrum. The scientist used a glass prism to separate the sunlight’s constituent colors and placed a thermometer under each of them. 

To his surprise, Herschel found that the thermometers illuminated by the colors closest to red showed a higher temperature! Enthusiastic about the result, he decided to go further and placed a thermometer beyond the red color, where there was no color. 

To his amazement and fascination, the thermometer that showed the highest temperature was precisely the one next to the red, where there was no color! 

For the first time, invisible light was glimpsed, and it was called infrared. The word infra indicated that this invisible light’s vibrational frequency is lower than that of visible light. Herschel’s experiment proved the existence of types of light that can’t be seen by our eyes. 

Man, whose conscience of the universe was based on what he could see, realized, then, that he lived in an ocean of illusion. 

Therefore, infrared is associated with heat, and anybody that is above the temperature of absolute zero (-273.15°C) emits infrared; emits energy, emits light. 

The rocks in our world, living beings, plants, our planet Earth, all emit light, infrared light; invisible light. We all radiate; everything shines! 

After learning about Herschel’s discovery, German physicist, chemist, and philosopher Johann Wilhelm Ritter (1776-1810), in 1801, conducted experiments to verify the possibility of also detecting invisible light beyond the violet portion of the spectrum. 

Ritter, knowing that silver chloride darkened when exposed to light, decided to check this chemical compound’s behavior when bathed in each different color. 

The researcher noticed little reaction in the red region of the spectrum, but the silver chloride became darker and darker the closer to the color violet. 

Encouraged by the result, he placed silver chloride in a region beyond violet where there was no visible light. To his surprise, this region showed the most intense reaction! 

Ritter demonstrated the existence of invisible light beyond violet and the visible spectrum. Ritter called this new type of light Chemical Rays, which, later, was named ultraviolet. 

Light proved to be eternal, without beginning and without end. In a frightening way, science proved to man that trusting his senses to see reality is an illusion, because we distinguish only a very small part of the Truth. 

Today, by looking at and contemplating the sky, the stars, the nature on our planet, we know that this immensity is even more splendid than our eyes allow us to see. 

The reason for our inability to see the full spectrum of light teaches us the limitation of our five senses in deciphering the reality around us, but at the same time, it invites us to seek a greater sense, closer to the Absolute. 

By proving the existence of an infinity of lights that permeate and emanate from everything and everyone, these discoveries can encourage the search for the improvement of our own ability to see and radiate light. 

Thus, the greater the energetic potential to heat and shine the internal flame itself, the greater will be the probability of reaching other beings and even attracting them to the surroundings. 

By being together, in Union, will be, therefore, an example that it is possible for all: to radiate more and more light, manifesting the example of the Great Light. 

Collaboration: Henrique P. A. Nobre and Graziele Luiza Rossetto 
Picture of Our Movement

Our Movement

See more

Related articles

Hello !

Welcome to the internal Home Page of the PRÓ-VIDA website. In this environment you will find information about our movement, such as the activities calendar, news and content that may be of interest to you.

Where to find the activities?

You will find the activities calendar right at the top of the home page and, to see all the available activities, just click on “See full calendar”.

The activities are organized by language, time zone, modality (in person, online, or remote in-center), and categories:

  • BAS, AV1 and INT weeks
  • Exercises and Training
  • Lectures and Talks
  • Advanced Levels
  • CGD (General Center for the Tithe)
  • Departments

What activities can I participate in?

You will be able to participate in all available activities, according to your level. They are identified in the calendar by a stripe with the color of the level, on the left side of the activity name.

Basic Level

Every Monday, online Basic Level activities are available. They are offered in four languages ​​(Portuguese, Spanish, Italian and English) and different time zones.

In addition, starting at the Basic Level, you will be able to participate in all the activities identified with the following colors:

Weeks, lectures and exercises aimed at participants from the Basic Level and up.

Here you can find activities such as Keeping in Touch, celebrations, and ceremonies.

Activities carried out by PRÓ-VIDA Departments, such as lectures, presentations and studies.

Check the calendar for upcoming activities and check their times.

Advanced 1​ Level

Activities for the Advanced 1 Level and up are also available for those who have completed that level

Weeks, lectures, exercises and talks for participants from Advanced 1 Level and up.

Introduction Level

For those at the Introduction Level, also the following activities are available:

Weeks, lectures, exercises, and talks for participants from the Introduction Level and up.

Activity for all PRÓ-VIDA participants, starting at the Introduction Level.

Advanced 2SC Level

From Advanced 2 Level and up, the following activities are also available:

Weeks, lectures, exercises and talks for participants from the Advanced 2SC Level and up.

How to browse the site?

Navigate through the pages and contents of the site by clicking the links on the top golden bar or the “hamburger button” (≡), located in the upper left corner.

In addition to content and articles on various topics, you will be able to access some important areas for your participation in the activities:

Online Activities: It’s the place where you will access the activities that will be transmitted in the online modality.

Participant’s Area: It gathers information about your registration and your level in PRÓ-VIDA.

Need help?

If you need help, or to clarify any questions, contact our support by e-mail: foundation.secretary@provida.net.

Modalities of PRÓ-VIDA activities

In-person

Presenter in-center

Participants in-center

This is a live activity carried out in one of the PRÓ-VIDA Centers with both the presenter and the enrolled participants attending in-person.

Remote in-center

Remote presenter

Participants in-center

The activity is transmitted live from one of the PRÓ-VIDA studios to several Centers where the participants are attending in-person. It allows the presenter and the participants to interact despite the fact that the presenter is in a remote location. 

Online

Online presenter

Online participants

The activity is transmitted live from one of the PRÓ-VIDA studios and enables interaction between participants and the presenter in a virtual environment.

To learn more about the modalities, talk to a PRÓ-VIDA representative by chat or email secretaria@provida.net (for Brazil residents) or foundation.secretary@provida.net (for residents in other countries).

SEG    SEX

22-26

NOV    NOV

Online

Semana de Avançado 1

PT

Será transmitido nos idiomas e horários locais:

PORTUGUÊS - COM INTERAÇÃO

Segunda a sexta-feira

às 20h30*

Hora de São Paulo

*A atividade tem duração aproximada de 3 horas.

Para saber como participar, clique abaixo.

MON    FRI

06-10

DEC    DEC

Online

Semana de Introdução

PT

It will be transmitted in the following language ​​and times:

PORTUGUESE - WITH INTERACTION

Monday to Friday

at 8:30 p.m.*

Time Zone: (UTC-03:00) Brasilia

*The activity lasts approximately 3 hours.

To find out how to participate, click below.

No registrations will be made on the weekend before the activity, or in the week it takes place.

SEG    SEX

25-29

OUT    OUT

Online

Semana de Avançado 1

PT

Será transmitido nos idiomas e horários locais:

PORTUGUÊS - COM INTERAÇÃO

Segunda a sexta-feira

às 20h30*

Hora de São Paulo

*A atividade tem duração aproximada de 3 horas.

Para saber como participar, clique abaixo.

SEG    DOM

08-14

NOV    NOV

Online

Semana de Básico

PT

Será transmitido nos idiomas e horários locais:

PORTUGUÊS - COM INTERAÇÃO

Segunda a sexta-feira

às 20h30*

Sábado

às 14h30*

Domingo

às 10h00*

Hora de São Paulo

*A atividade tem duração aproximada de 3 horas.

Para saber como participar, clique abaixo.

*Para repetição oficial, participantes que estão retornando ou em R.A., em breve mais informações.

Requisitos técnicos indispensáveis

Gostaríamos de informar que, para a participação no Básico on-line, são indispensáveis os seguintes requisitos mínimos:

Computador (Windows/Mac)

Computador com câmera integrada ou conectada por entrada USB.

As atividades não poderão ser assistidas por nenhum outro dispositivo, tais como celulares, smartphones e tablets ou computadores com outros sistemas operacionais.

Especificações e Sistema Operacional

• Processador: Intel Core i3, i5 e i7 – 3100 Series , ou superior.

• Memória RAM: 4GB, ou superior.

• Sistema Operacional:

• Windows 7 com todas as atualizações, ou versão superior (somente 64 bits).

• MacOS 10.15 Catalina, ou versão superior.

Verifique as configurações de seu computador Windows clicando aqui.

Como verificar suas especificações no Mac? Clique aqui.

Fones de ouvido com microfone (headset)

Modelos homologados para uso com nossa plataforma.

Consulte a lista de headsets homologados:

Internet

Banda larga com conexão estável, com no mínimo 10MB de download e 4MB de upload.

Como verificar sua banda de internet? Clique aqui para testa-la.

* Os requisitos técnicos poderão ser atualizados. Acompanhe aqui eventuais alterações.

Fones de ouvido homologados

Marca

Modelo

Tipo

Bose

Quiet Comfort 35 Stereo

USB e Bluetooth

Dell

Pro Stereo Headset UC150

USB

Jabra

BLZ 2400 II

USB

Jabra

Evolve 20 MS

USB

Jabra

Evolve 75

USB e Bluetooth

Jabra

UC Voice 550a MS Mono

USB

JBL

Everest Elite 750NC Stereo

Bluetooth

Logitech

Headset H390

USB

Logitech

Stereo H650e

USB

Microsoft

LifeChat LX-3000

USB

Microsoft

LifeChat LX-6000

USB

Plantronics

Blackwire 320

USB

Plantronics

Blackwire 3220 Series

USB

Plantronics

Blackwire C220

USB

Plantronics

Audio 628 USB

USB

Samsung

USBC Headset

USB

Sony

WH-CH700N

USB

Sony

Headset Pulse 7.1

USB

Sony

WH-XB900N

Bluetooth

Atualização: 11.06.2021

Regras de conduta para prevenção da COVID-19

Uso de Máscaras

Cobrindo a boca e o nariz. Usar o tempo todo.
Evitar tocar a boca, o nariz e os olhos.

Distanciamento

Mínimo de 2 metros

Mãos

Lavar frequentemente ou higienizar com álcool em gel.

Etiqueta Respiratória

Ao espirrar ou tossir, proteger a boca e o nariz com o cotovelo, ou usar lenço descartável.

Sintomas

Se apresentar sintomas, ficar em casa e buscar atendimento médico.