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Welcome to the Age Of Light: Two BIG innovations in Graphene and nano technology can forge a new future for mankind

Posted by Venkatt Guhesan on August 27, 2015


As I was reading today’s news (Science) breakthroughs, I came across two independent discovery/invention but combined makes a HUGE breakthrough and paves the way for a BIGHTER FUTURE!!!

If this peeks your interest read further.

[#1] Invention:
Manufacturing Graphene using Tea-Extract

What problem does this solve?
Today, manufacturing Graphene takes a lot of time and can only produce/grow small amounts of the material. It takes a lot of energy, raw-material and time – to produce the small quantities of the product. In comes, a new process or method at growing it cheaper, quicker and with less energy. This will make Graphene cost effective to use in the industry. To learn more about the details behind the process, see the links below:

Article, (from International Business Times)
Graphene Manufactured Using Tea Tree Extract Paving Way For Cheaper Method

The science behind the process:
Catalyst-Free Plasma Enhanced Growth of Graphene from Sustainable Sources

[#2] Discovery:
The Nano Lightbulb

What problem does this solve?
Today, we have hit an upper-limit on how much we can compact inside the silica-chip. As you may have seen, our computers now has “quad-core” processors which are directly due to the ability to pack more chips/processors per square-inch. But we are reaching an upper limit on this because of three major factors:

1) Scale: We are already working at the atomic scale. Trying to compress more atoms smaller than the atoms in gold and copper etc will not be possible unless we find new materials that have a smaller atomic structure and has electrical conductive properties.
2) Heat: Moving electrons in a copper wire produces heat as a side-effect. The smaller and more compact they are then you produce more heat and the very same heat also makes the gold, copper and metal atoms excited that they begin to show signs of expansion. And you know what happens when two copper wires with electricity comes together. You end with a short-circuit.

3) Growing demand for alloys and metals: The world is reaching a near death of small-circuits because the mines that produce these alloys are getting depleted. So we will reach a end of rare-metals in the future (just like Oil). It’s a limited resource on this planet!

The Solution:
Young Duck Kim while trying to clean up some graphene in the lab tried to clean it up in a novel manner. He wrapped up some graphene with a small wire and induced a current through the wire to aid in cleaning the dust on the graphene. What he observed is that the graphene – glowed (almost like a incandescent light bulb). What he noticed is that just like a lightbulb, you can turn the graphene on and off and you can turn it on and off as fast as 10 Gigahertz (possibly 100 GHz) – imagine turning a switch on and off a thousand-one-million times a sec (that’s a lot). And it produces negligible heat dissipation and the graphene does not burn out. So imagine being able to produce a binary-switch (On | Off – 0|1) using this method of switching on a light-bulb at a microscopic level.

And the story gets better, using fiber-optics (instead of copper and gold wires) you can build circuits at the microscopic level to move this on-off signal will revolutionize the industry to produce even smaller, denser circuits that moves data at the speed of light with almost zero (negligible) heat-dissipation! And to produce the fiber-optic cables and matrial – you need silica (which comes from sand on a beach – which we have plenty of on the planet)


Now humans can break the metal/electrical barrier to forge us into the “AGE OF LIGHT“.

You can learn more about the discovery here:
Article on Popular Science: The Nano Lightbulb

What does this mean?
1) Reduce the need for rare-metals and alloys = less mining for the raw-materials = greener planet.
2) Produce more complex devices that are smaller and produces less heat.
3) Grow Graphene using greener methods = less harm to the environment
4) High-Performance Computing (HPC) at a nano scale – computers that can process much-much more data in shorter time = better forecasting for things like weather, green-house effects, etc and more profits for businesses worldwide!!!

Greener Healthier Planet that’s more Profitable than ever before!!!

Welcome to the “Age of Light”!!!

If you find this article important, please share it with others!

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Hiking @ Centennial Park, Ellicott City, Maryland

Posted by Venkatt Guhesan on August 4, 2015

Here are some great pictures I took from the hiking at the nearby Centennial Park in Ellicott City, Maryland

Click here for the complete link to the post

Posted in General, Outdoors & Nature | Tagged: , | Leave a Comment »

Interesting pics from our trip to India

Posted by Venkatt Guhesan on July 9, 2015

Interesting pics from our trip to India

I took this shot from a higher elevation against the backdrop of the Gopura (vimana) of our ancestral family temple in Kaniyur, Tamil Nadu, India. Google photo animation stitched the pictures to create the animation.



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Valley of Lugern, Switzerland – great place to wake up each and every morning!

Posted by Venkatt Guhesan on July 9, 2015

Valley of Lugern, Switzerland – great place to wake up each and every morning!


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View from Mount Titlis, Switzerland

Posted by Venkatt Guhesan on July 8, 2015

View from Mount Titlis, Switzerland


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Philips SlimStyle 60W LED bulb teardown

Posted by Venkatt Guhesan on September 28, 2014

While I was visiting Home Depot, I saw a Philips SlimStyle 60W LED bulb on clearance for two-dollars. I could not resist buying it for a tear-down to see how it’s built. I always wondered how they convert the 120VAC to a regulated DC voltage with high-current feed for lighting up those LED’s. So here is the first version of the tear-down showing you what’s inside the bulb. I will blog more about the current and voltage at the LED junction on a subsequent blog.

Picture of the bulb before the tear-down. You can see the unique flat shape.

Packaging front

Packaging back

What you expect to find is a custom version of what is called in Electrical Engineering as an LED Driver Circuit (and here). What makes this one interesting is how they made this all fit inside a tiny little base. And the flat design with the beveled plastic aids in efficient heat dissipation. So you don’t see the big metal base you find in other LED bulb models.

Plastic encasing removed (cut using a band-saw)

You can see the LED’s placed in a radial manner front and back. Although the placement allows you to distribute the light you still end up with a shadow effect. (I think the incandescent light was the perfect design)

Front face of the PCB board which makes up the base of the bulb:

Transformer……….. EE13302-162 B (KEE 1412) (closest neighbor to this transformer)

Black capacitor… S103

Orange rectangular piece bottom left (with Westinghouse logo) is a standard ceramic-fuse.

The black (labeled-N)  and white wires (labeled-L) gets soldered to the bulb metallic base (120VAC inputs)

Back of the PCB board:

D1300 is a standard NPN transitor.

More to come in the next blogs. Stay tuned.

Posted in Embedded Systems | Tagged: , , , , , , | 1 Comment »

Pictures from the Royal Palace Museum in Piazza San Marco, Venice, Italy

Posted by Venkatt Guhesan on August 26, 2014

Here are some pictures I took from the Royal Palace Museum in Piazza San Marco, Venice, Italy [map]
Shows you some of the wonderful Christian relics and how the royal family in Venice, Italy was involved in exploration of the new world, seafaring and art.


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Photos from Venice, Italy

Posted by Venkatt Guhesan on August 21, 2014

Here are a few photos I took while in Venice, Italy.


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Beautiful Island of Santorini, Greece

Posted by Venkatt Guhesan on August 20, 2014

Here are a few photographs I took on a clear sunny day in the island of Santorini, Greece.

Beautiful city carved out of a violent burst of volcano – shows the greatness of humanity and what we can overcome with endurance and strength!


Posted in Travels | Tagged: , , , | 1 Comment »

Hello World with SparkCore

Posted by Venkatt Guhesan on June 17, 2014

Finally got my SparkCore, an Arduino built with on-board WiFi (no need for a Arduino WiFi shield). This version is a different take on the “Internet of Things” and “Build internet-connected hardware”

Here’s a picture of the Spark connected to the WiFi running my first HelloWorld app downloaded directly from the Spark IDE to the core.

Spark Core

Looking forward to building some designs around it! To learn more about Arduino and SparkCore visit their corresponding sites.

Happy Blogging!


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