“And God said, ‘Let there be light,’ and there was light.” ~ Genesis 1:3

Sounds simple, right? Well, if you can wrap your mind around the possibility that in the middle of extreme darkness, God opened His mouth and into existence came a full spectrum of electromagnetic radiation traveling through space at the speed of … light.

From radio waves at one end of the spectrum to gamma rays at the other, all light energy travels in a straight line until it runs into something of a different consistency like a mirror (reflection) or a droplet of water (refraction or the bending of light responsible for rainbows). Scientists have come up with extremely complex calculations and diagrams to determine how light will react in certain situations and used that knowledge to develop cameras, telescopes, microscopes, and corrective lenses so that near-sighted people like me can see clearly. (And God just said “Let there be light.” It reminds me that His thoughts are higher than ours!)

Why would God create so many wavelengths of light? Why not just stick to the colorful ones that are visible to the human eye? I think it shows His amazing creativity and omniscience to know that mankind would later discover a multitude of beneficial uses for light that go far beyond being able to see objects before I trip over them.

Your satellite television reception, cell phone, and WIFI connection are all courtesy of radio waves. Fresh hot popcorn in two minutes because of the microwaves. Infrared or thermal radiation is used by meteorologists to study clouds, astronomers to study outer space, and the military for night vision technology. Ultraviolet light is used by forensic scientists to find blood evidence, used to detect special security ink on money, and used in CD and DVD players. The fact x-rays can travel through parts of your body but are stopped by denser matter leads to many medical imaging and diagnostic uses. And gamma rays are used to kill cancer cells and sterilize medical equipment.

I haven’t forgotten visible light or the wavelengths of electromagnetic radiation that the human eye is most sensitive to. I can hardly begin to imagine the complexities involved as my brain processes the multitude of reflected frequencies into different shades and hues so that I can “see” a bowl of fruit or the screen of my laptop. And did you know that the amount of blue and red wavelengths in sunlight varies with the seasons? As the days get longer, there’s more blue light and that triggers plants to grow. Different types of plants need more or less blue or red light in order to grow big leaves, flowers, or fruit so current technological advances are manipulating the spectrum to produce efficient greenhouse grow lights.

As if naturally occurring light wasn’t amazing enough, scientific advances have found a way to focus light and unify the wavelengths to create a laser beam focused on a tiny spot. Lasers are used in everything from pointers during presentations to light shows to bar-code scanners to holographs to laser printers to cosmetic treatments to industrial cutting to medical surgery.

“For since the creation of the world God’s invisible qualities — his eternal power and divine nature — have been clearly seen, being understood from what has been made, so that men are without excuse.” (Romans 1:20 NV) When God said “Let there be light” and there was light … it was the first of many revelations of His eternal power and divine nature.

All creation declares His glory.

What about you? How has the existence of light affected your life in the last 15 minutes? Do you take light for granted? What does light tell you about God?

Creation Declares – Light
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