Absolute Diagnostics Ltd

When Parents die 💔, nothing is the same anymore. We can no longer be children, we will no longer feel carried away by their hugs, kisses and words of encouragement.

It seems like life is getting harder because their protective love is no longer there. When parents are no longer with us, we are orphans and that is hard regardless of age. Even though you created your family, the face of your parents is ingrained in you for eternity.

In 1964, a chemist's unexpected discovery at DuPont led to a material five times stronger than steel—Kevlar.

The chemist was Stephanie Kwolek, working at DuPont's Pioneering Research Laboratory in Wilmington, Delaware.

Kwolek was tasked with finding a new lightweight, yet strong, synthetic fiber to reinforce radial tires. She was experimenting with rod-like polymer solutions.

During one experiment, she created a polymer solution that was different. It was cloudy, thin, and opalescent, unlike the usual clear and thick solutions. Many would have discarded it as a mistake.

However, Kwolek was intrigued. She convinced a reluctant colleague, the operator of the spinneret machine used to make fibers, to test her unusual solution. They were concerned it might clog the machine.

The results were astounding. The fiber spun from this solution was exceptionally strong and stiff – much stronger than any other fiber they had worked with. 🧪

This remarkable material was eventually named Kevlar. Its development was further refined, and it began to see commercial use.

Initially, Kevlar was indeed used in tires, first appearing in commercial racing tires in the early 1970s. 🚗

But its high tensile strength, heat resistance, and low weight meant its applications expanded far beyond tires. It began to be used in ropes, cables, and, most famously, in protective gear.

Today, Kevlar is a critical component in bulletproof vests, helmets, and other safety equipment, credited with saving numerous lives around the world. 🛡️

This life-saving material was born from a moment of curiosity about an unexpected laboratory outcome.

Facing rejection from over 20 prominent companies, Chester Carlson's unwavering determination eventually led to a revolutionary technology.

Carlson, a patent attorney and part-time inventor, was troubled by the slow and messy methods of duplicating documents available in his time.

He spent years experimenting in a small, makeshift laboratory he set up in Queens, New York, focusing on a process involving static electricity and dry powder.

In 1938 AD, Carlson achieved his breakthrough. He created the world's first xerographic copy, a glass slide marked with the date and location: "10-22-38 ASTORIA." 📜

Despite this success, Carlson faced a long road. For several years, he presented his invention to numerous major companies, but none saw its potential.

The tide began to turn in 1944 when the Battelle Memorial Institute, a non-profit research organization, agreed to partner with him to further develop the technology.

Three years later, in 1947, the Haloid Company, a modest firm from Rochester that produced photographic paper, acquired the rights to commercialize xerography. This company would eventually be known as the Xerox Corporation.

The first commercial photocopier, initially called the XeroX Model A, was released in 1949. Though it was a significant step, the machine was somewhat complex to operate.

Nevertheless, xerography began its journey to revolutionize offices and information sharing. 🤯

Chester Carlson's persistence through years of challenges ultimately made copying documents fast, inexpensive, and accessible to millions, laying the foundation for a global industry.