Hey Guys! Hope you liked our previous post. I was browsing through the web and found this new invention really cool. We know how tiring it is to work in a factory, warehouse, restaurant kitchen and to stand in queues and in long distance travel in trains or buses. Keeping this in mind a Swiss start-up Noonee has created a Chairless Chair. Worn as an exoskeleton on the back of the legs, it lets you walk or even run as needed, but can be locked into a supporting structure when you go into a sitting position.

Company CEO Keith Gunura started developing the Chairless Chair in 2009, when he was a student in the Bioinspired Robotics Lab at ETH Zurich research  institute. He was inspired to do so by memories of his 1st job, in which he worked while standing long hours in the packaging line.

The latest prototype, fashioned out of aluminium and carbon fiber, weighs around 2 kilograms and is good for around 24 hours of use. The device utilizes a powered variable damper to support the wearer's body weight. The user simply bends their to get himself/herself down to the level at which he/she would like to sit, and then engage the damper. The Chairless Chair then locks into that configuration, directing their weight down to the heels of their shoes, to which it is attached. It is also attached to the thighs via straps and to the waist using a belt.

The Chairless Chair is much more desirable due to the ability to turn it on and off, and the ability to accommodate a range of sitting positions. Noonee's co-founder Bryan Anastisiades tells CNN, "In addition to resting your leg muscles, it also provides optimal posture." Also the CFO tells, "At the moment we are getting a lot of interest and e-mails from all kinds of people who want use the Chairless Chair in very different areas. Our focus at the moment is the factory environments."

Experience more of "Chairolution" in this Video:

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Hey Guys, this post is different from the other posts as it is about one of our own projects. We created a device called the BLINAV. From the name it is apparent that we created it to help blind people navigate to their destination. It was created by a group of 5 people : Siddharth (Admin), Rahul (Admin), Amith, Madhan (Admin), Vikram. We also figured out that a similar model was created by a student from the Rajasthan University, whose model also gave us a few ideas.

The aim of this project is for a social cause. The objective of this project is to help the blind and make them independent so that they could lead a life of normal people. This idea erupted when I found a blind looking out for favor to cross the road and lead him to his destination. It all started with the thought that a sensor could be used to detect obstacles and send the response to an output device.

Arduino is the standard way that connectors are exposed, allowing the CPU board to be connected to a variety of interchangeable add-on modules. Hence, we kept Arduino as a base of our project. Our model of the shoe contains two proximity sensors(one on the front and one on the outer side), one micro controller i.e. the Arduino board and 3 vibrational motors on each shoe. The micro controller is programmed as per the requirement which controls all the components of the shoe which are connected to the board.

When the blind person wears the shoe and encounters an obstacle the proximity sensors on his shoes will sense the obstacle and sends a signal to the micro controller which in turn sends the signal to the vibrational motor, placed under the sole, as programmed. Based on the vibration of the vibrational motor, the person will know the position of the obstacle.  This way it will help the blind person navigate through the obstacles and also since the board is programmed to be connected to GPS of the phone, it will also help the person to move to his destination. So a total of 4 sensors, two micro controllers and a few vibrational motors all on a pair of shoes will help a blind person navigate which we call BLINAV.

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