Tag Archives: “The Pixel Painter”

Can Color Exist in the Dark?

Can Color Exist in the Dark (c) tlr3automatonColors add beauty and variety to the world around us. They are pleasant from every perspective – expect the dark. After all, color cannot be seen without light. Or can it?

Color is created when light reflects an object. Light waves cause this to occur and the frequencies at which they travel, fast or slow, determines color. For instance, red has a low frequency while purple has a high frequency. If there is no light, there can be no light waves and color cannot be seen.

This is true most of the time. There is only one exception: items that glow in the dark.

Glow in the Dark

Glow in the dark products contain phosphors. These chemical substances are known for their luminescent qualities. All phosphors have three characteristics. These traits include:

  • They need to be charged. Different glow in the dark objects require different types of energy to become charged. (This is why some items need to be held up to a light before glowing in the dark.)
  • Phosphors contain the “color of visible light that they produce.”
  • The persistence of the phosphor (or the length of time the product will glow).

After becoming charged, a phosphor will illuminate. This item can be seen in the dark where other colors cannot be seen.

We Use Phosphors Every Day

Toys “R” Us seems like the keeper of all-things glow in the dark. In everyday life these items seem far and few between. But adults use phosphors every day.

Television screens, computer monitors, and fluorescent lights all have phosphors. TV screens actually have thousands of phosphors that emit red, green, and blue. Fluorescent lights have many color combinations that make light look white.

Charging Items to Glow in the Dark

The charge that generates TV and lights comes from electricity. But other phosphors use different types of energy to charge. Much of the time, natural energy is used.

For instance, glow in the dark toys are often energized by normal light. To capture this charge and maintain it for some time, two phosphors are common: Zinc Sulfide and Stontium Aluminate. These chemical substances can be mixed in with plastic to create a toy that glows.

Some glow in the dark items do not need any charge. Take watches for example; a watch may use a combination of a phosphor and radioactive element. The radioactive part can continually charge the phosphor.

With phosphors, light can thrive in the dark. Better yet, items can glow.

Image made available by  tlr3automaton on Flickr through Creative Commons Licenses.

Read more Segmation blog posts about “Out of the Box” Art:

Art Illuminates Science

The Op-Art of Josef Albers

Art and Science – A Genius Combination

Be a Artist in 2 minutes with Segmation SegPlay® PC (see more details here)


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“The Pixel Painter”

The-Pixel-PainterHow would you respond to a losing your eyesight? What if physical limitations forced you to rethink your favorite activities? Could you adapt?

Setbacks can too easily keep us from doing what we love. More often than not it seems we are quick to accept restrictions and slow to persevere.

A 97 year old man is proving no obstacle – even blindness – needs to stop a pursuit of dreams. You are never too old to put art at the heart.

Who is “The Pixel Painter”

Hal Lasko suffers from wet macular degeneration. This type of visual impairment is age-related. The disease prohibits Hal from seeing fine detail. In fact, his vision has deteriorated to such a level that he is considered legally blind. Even though age-related macular degeneration causes trouble seeing straight ahead, Hal pursues artistic activities.

In his professional career, Hal Lasko was a type designer; an artist who created fonts. This allowed him to turn his attention to digital art. At that time, he did not know that a computer would later become his preferred medium for artwork.

Interestingly enough, there are no secrets or intricacies to the computer tool he uses to produce art. Hal uses one of the simplest apps: Microsoft Paint. On this program, Hal is able to enlarge portions of his design so he can see what he is doing.

It took him months to make the switch from brush to computer screen, but now he spends several hours a day creating detailed artwork. He creates beautiful landscapes with a digital look; they are beautiful and inspirational in unique ways.

Hal turns 98 this year. In honor of his birthday, all original work is available on http://www.hallasko.com/. Each piece is appropriately priced at $98.

To promote this special sale and chronicle the story of an artist, follow this link and watch Hal Lasko’s video interview: http://www.today.com/tech/legally-blind-97-year-old-makes-masterpieces-simple-paint-app-6C10732493.

Read more Segmation blog posts about Art and Disabilities:

Art Therapy Treats more than the Heart

How to turn your Passion into Profit

Art Beneath Your Feet

Be an Artist in 2 minutes with Segmation SegPlay® PC 


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