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How a broom maker helped trio from IIT-D make drones to light up Rajpath

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How a broom maker helped trio from IIT-D make drones to light up Rajpath

The sky over Rajpath lit up in a kaleidoscope of colors on Saturday, as 1,000 drones created a 3D image of Bapu with his walking stick, tricolor flag and a map of India. The brains behind the event are two IIT-Delhi alumni and their professors, who spent six months designing and building the drones and preparing different animations to recreate in the sky.

Tanmay Bunkar and Anuj Kumar Barnwal, physics graduates from IIT Delhi, co-founded their startup Botlab Dynamics with Dr Sarita Ahlawat in 2016. Their goal is to replace large, expensive drones with simpler, cheaper drones that can perform the same tasks and carry the same payloads by forming a network or collaborative aviation system. Over time, they received grants from IIT-Delhi’s Department of Science and Technology and the I-Hub Robotics Foundation (IHFC).

On Saturday, Rajpath’s sky was their canvas, drones and their brushes, with different patterns to mark the 75th anniversary of independence. These include a giant 3D globe, a rising tricolor, a map of India, and an Ashok chakra in the center. It was an elaborate process that took months to conceive and design.

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“We came up with a concept where we would show six or seven patterns. Then it had to be turned into an animation on the computer. It was a very time-consuming exercise, each animation could take up to two weeks. Then We run this animation through a simulation to make sure the drones don’t collide with each other, taking into account factors like air speed. After this, we input the program into each drone, then bring them to the ground and do a test flight,” explains Dr. Say. Ahawat.

Last July, the Defense Department told Botlab Dynamics that they would be taking part in Republic Day celebrations and that they had to target 1,000 drones. Before that, Tanmay and his colleagues had never handled more than 80 drones at the same time.

“The reliability of these drones is key to making sure the show runs smoothly. We have 1,000 drones to complete a show, but we don’t have 1,000 people to maintain each drone, do pre-flight inspections, etc. That is This is a luxury that we don’t have. So we decided to build the drone ourselves so that we can understand the causes of different errors and malfunctions,” said Tanmay Bunkar.

Soon, they started ordering parts and assembling the hardware. But at this time, the global supply chain is snapped up, and the shortage of different components such as semiconductor chips starts to impact different industries. This forced the team to look for alternatives at home. That’s when they found a guy in Manesar who made motherboards for phones and asked him to make printed circuit boards.

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Tanmay said the drone’s casing was made by Seelampur, a manufacturer of fruit baskets and broom handles.

Complete News Source : The Hindu

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Amitabh Bachchan: The Heartbreaking Anxiety of Bollywood’s Greatest Icon

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Amitabh Bachchan: Candid Self-Doubt Confession

Even after five decades of cinematic dominance, Amitabh Bachchan still faces the quiet terrors of the midnight hour. The man who epitomised alpha-masculinity for generations of moviegoers recently made an unexpected confession that shocked his millions of admirers. He continues to have restless nights, locked in a vicious circle of intense self-doubt and crushing work stress.

This revelation is a huge wake-up call for anyone who thinks of him as an invincible acting colossus. It demonstrates that the heavy weight of perfectionism never fully fades, no matter how much celebrity you achieve.



The Haunting Midnight Echoes of Perfectionism

Imagine being a living legend and lying awake at 3 a.m. wondering if your previous performance was a complete failure. Bachchan admitted that he always repeats his sequences in his memory, haunted by the terrible feeling that they “could have been done better.”

This tremendous emotional sensitivity reveals a side of the megastar that the public has rarely seen. Onscreen, we witness the towering demeanour, booming baritone voice, and perfect delivery. But, behind closed doors, he suffers from the same paralysing fear that ordinary people face on a daily basis in the workplace.

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Why the Deepest Passion Breeds Internal Chaos

You might ask why a man who has won every major film award is so concerned about delivering a single sentence. True genius is rarely characterised by serenity of mind. For Bachchan, acting is more than a job; it is a sacred, consuming fire that demands flawless excellence every time.

When you care so deeply about your craft, every creative endeavour feels like a high-stakes bet on your entire legacy. This tremendous artistic drive is a two-edged blade that produces amazing art while completely destroying your mental serenity.


The Heavy Price of an Enduring Legacy

Living under the microscope of the public eye for fifty years has a catastrophic psychological impact. Every move Amitabh Bachchan makes is immediately analysed, criticised, or worshipped by countless millions of people.

That amount of tremendous expectation establishes a distinct, invisible prison of performance anxiety. The dreadful anxiety of disappointing his big audience keeps his thoughts racing long after the cameras stop rolling. It turns out that the view from the very top of the mountain is extremely lonely and filled with perpetual emotional danger.

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Normalizing the Silent Struggle with Mental Health

Bachchan has done an incredible amount to raise worldwide mental health awareness by publicly exposing his personal struggles with work stress. He has effectively removed the heavy veil of shame that typically surrounds the topic of anxiety, particularly among older generations.

If the ultimate “Angry Young Man” of Indian cinema can freely acknowledge to feeling inadequate, then everyone else has the right to be human as well. It is a welcome reminder that being overburdened by your commitments does not imply weakness.


The Relentless Creative Hunger That Never Sleeps

Finally, this severe self-doubt is the secret fuel that drives Amitabh Bachchan to labour continuously at an age when most people have retired. It’s a curious paradox: his severe inner agony serves as the driving reason behind his legendary longevity.

He refuses to rest on his past accomplishments or rely on his immense celebrity to get by. Every sleepless night reveals a man with the raw, eager heart of a novice. He remains gloriously, devastatingly uneasy about his work, which is precisely what makes him an everlasting force in film.

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