The CRA Perspective

Posts

Showing posts from 2017

Jain Derasar, Borij village in Gandhinagar, Gujarat

A 300-year-old Jain temple made of precious black touchstone (Kasuati Patthar) at Murshidabad in West Bengal was reinstalled at the sprawling Jain Derasar campus of Vishwa Maitri Dham at Borij village in Gandhinagar District.. It was reinstalled there along with the idol of Parshwanath.

Cotton and its uses

Cotton :- Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose. Under natural conditions, the cotton bolls will increase the dispersal of the seeds. The plant is a shrub native to tropical and subtropical regions around the world, including the Americas, Africa, and India. The greatest diversity of wild cotton species is found in Mexico, followed by Australia and Africa. Cotton was independently domesticated in the Old and New Worlds. The fiber is most often spun into yarn or thread and used to make a soft, breathable textile. The use of cotton for fabric is known to date to prehistoric times; fragments of cotton fabric dated from 5000 BC have been excavated in Mexico and between 6000 BC and 5000 BC in the Indus Valley Civilization. Although cult...

The Timeless Beauty of the Taj Mahal: A Symbol of Love in Agra, India

Introduction The Taj Mahal, one of the most iconic monuments in the world, stands as a breathtaking testament to love, art, and Mughal architecture. Located in Agra, India, this UNESCO World Heritage Site attracts millions of visitors every year who come to marvel at its stunning white marble façade, intricate carvings, and enchanting history. A Monument of Love Built by Mughal Emperor Shah Jahan in memory of his beloved wife Mumtaz Mahal, the Taj Mahal is often called the "Crown of Palaces." Construction began in 1632 and took over 20 years to complete, employing thousands of artisans and craftsmen. The emperor’s deep love for Mumtaz is immortalized in this architectural masterpiece, making it a symbol of eternal romance. Architectural Marvel The Taj Mahal is a stunning example of Mughal architecture, blending Persian, Islamic, and Indian styles. Key features include: White Marble Dome – The central dome is one of the most recognizable elements, surrounded by...

Fatehpur Sikri, India

Fatehpur Sikri is a town in the Agra District of Uttar Pradesh, India. The city was founded in 1569 by the Mughal Emperor Akbar, and served as the capital of the Mughal Empire from 1571 to 1585, when it was abandoned. After his military victories over Chittor and Ranthambore, Akbar decided to shift his capital from Agra to a new location 23 miles (37 km) west south-west, to honour the Sufi saint Salim Chishti. Here, he commenced the construction of a planned walled city, which took the next fifteen years in planning and construction, with a series of royal palaces, harem, courts, a mosque, private quarters and other utility buildings. He named the city Fatehabad, with Fateh, a word of Arabic origin in Persian, meaning "victorious." It was later called Fatehpur Sikri. It is at Fatehpur Sikri that the legends of Akbar and his famed courtiers, the nine jewels or Navaratnas, were born. Fatehpur Sikri is one of the best preserved examples of Mughal architecture in India. Ac...

Adalaj Step well, Gujarat, India

Adalaj Stepwell or Rudabai Stepwell is a stepwell located in the village of Adalaj, close to Ahmedabad city and in Gandhinagar district in the Indian state of Gujarat. It was built in 1498 by Rana Veer Singh of the Vaghela dynasty of Dandai Desh. It is an example of Indian architecture work.The step well or 'Vav', as it is called in Gujarati, is intricately carved and is five stories deep. Such step wells were once integral to the semi-arid regions of Gujarat, as they provided water for drinking, washing and bathing. These wells were also venues for colourful festivals and sacred rituals. Stepwells, also called stepped ponds, built between the 5th and 19th centuries, are common in Western India; over 120 such wells are reported in the semi-arid region of Gujarat alone, of which the well at Adalaj is one of the most popular. Stepwells are also found in more arid regions of the subcontinent, extending into Pakistan, to collect rain water during seasonal monsoons. While many ...

Nature's Architects

From intricate woven nests to towering termite cities, nature is full of astonishing architects. These creatures don’t need blueprints or tools—just instinct, skill, and a little creativity. Here are five of the most impressive animal builders: 1. The Baya Weaver: The Bird That Weaves Hanging Nests Found across India and Southeast Asia, the baya weaver is famous for its pendant-shaped nests , intricately woven from grass and leaves. These nests hang from thorny trees or palm fronds, often near water to deter predators. Colonies of these nests create a stunning sight, swaying in the breeze like nature’s own hanging gardens. 2. The Harvest Mouse: The Tiny Rodent That Builds on Stilts Weighing just 8 grams , the harvest mouse is a master of miniature construction. It weaves spherical nests from grass blades, perched high on corn stalks or reeds—sometimes a meter above the ground! These elevated homes keep the mice safe from predators whi...

LEDs from food waste

In an exciting leap toward greener electronics , researchers at the University of Utah have found a way to turn food waste into quantum dots —the tiny crystals that power energy-efficient LED lights in TVs, bulbs, and screens. This breakthrough could pave the way for non-toxic, eco-friendly LEDs , replacing traditional materials like cadmium selenide , which can be harmful to the environment. What Are Quantum Dots? Quantum dots are nanoscale semiconductor particles that emit vibrant, precise colors when exposed to light or electricity. They’re used in: LED TVs & displays (for richer colors and better efficiency) Energy-saving light bulbs Medical imaging & solar cells Traditionally, these dots are made from toxic metals like cadmium , which pose environmental risks when disposed of. But now, scientists are turning to an unlikely alternative: food waste . From Bread Crusts to High-Tech Lights The Utah...

Gouqi Island: China's Hidden Gem of Untamed Beauty

Nestled in the East China Sea among the Zhoushan Archipelago, Gouqi Island (枸杞岛) is a breathtaking escape where rugged cliffs, turquoise waters, and traditional fishing villages create a scene straight out of a painting. Often overlooked by international tourists, this small island offers an authentic glimpse into China’s coastal charm—without the crowds. Why Gouqi Island? Dramatic Coastal Landscapes : The island is famous for its "Green Fairy Tale" hills , where abandoned fishing boats and vibrant green vegetation blend into a surreal, almost mystical scenery. Untouched Beaches : Unlike commercialized beach destinations, Gouqi’s shores remain peaceful, with crystal-clear waters perfect for a quiet swim. Fishing Culture : As a key part of China’s "Fishing Light" phenomenon , the island’s nightscape glows with thousands of lights from squid-fishing boats—a mesmerizing sight. Must-See Spots Hou Tou Wan "Ghost Village" An abandoned fish...

QR Code (Quick Response Code)

QR code ( Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached. A QR code uses four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to efficiently store data; extensions may also be used. The QR code system became popular outside the automotive industry due to its fast readability and greater storage capacity compared to standard UPC barcodes. Applications include product tracking, item identification, time tracking, document management, and general marketing. A QR code consists of black squares arranged in a square grid on a white background, which can be read by an imaging device such as a camera, and processed using Reed–Solomon error correction until the image can be appropriately int...

barcode

A barcode is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D). Later two-dimensional (2D) codes were developed, using rectangles, dots, hexagons and other geometric patterns in two dimensions, usually called barcodes although they do not use bars as such. Barcodes originally were scanned by special optical scanners called barcode readers. Later applications software became available for devices that could read images, such as smartphones with cameras. Barcodes became commercially successful when they were used to automate supermarket checkout systems, a task for which they have become almost universal. Their use has spread to many other task...

Bihu the folk dance of India(Assam)

The Bihu dance is a folk dance from the Indian state of Assam related to the Bihu festival. This joyous dance is performed by both young men and women, and is characterized by brisk dance steps, and rapid hand movement. Dancers wear traditionally colorful Assamese clothing. Though the origins of the Bihu dance is unknown, the first official endorsement is cited to be when Ahom king Rudra Singha invited Bihu dancers to perform at the Ranghar fields around 1694 on the occasion of Rongali Bihu.

BHANGRA THE TRADITIONAL FOLK DANCE OF PUNJAB, INDIA

The origins of traditional Bhangra are speculative. According to Dhillon (1998), Bhangra is related to the Punjabi dance 'bagaa' which is a martial dance of Punjab. However, the folk dance of Majha originated in Sialkot and took root in Gujranwalla, Sheikhupur, Gujrat (districts in Punjab, Pakistan) and Gurdaspur (district in Punjab, India). The traditional form of Bhangra danced in the villages of Sialkot district is regarded as the standard. Although the main districts where traditional Bhangra is performed are in Punjab, Pakistan, the community form of traditional Bhangra has been maintained in Gurdaspur district, Punjab, India and has been maintained by people who have settled in Hoshiarpur, Punjab India after leaving what is now Punjab, Pakistan. Being a seasonal dance, traditional Bhangra is practiced in the month leading up to the festival of Vaisakhi. During this month, the harvest, especially wheat crop, is reaped. Local fairs mark the festival of Vaisakhi. Aft...

How to sew simple Churidar

In this video, Helen explain how to cut fabric, sew simple churidar in very simple manner.

The Great Banyan Tree(Mahakali Vad), Gujarat

500 years old Great Banyan Tree was situated at Kantharpura, District Gandhinagar, Gujarat was 25 KMs away from Gandhinagar, also a small temple available which known as Mahakali Vad. You, gays must be visited the place and see the beauty of old banyan tree & the temple. 500 years old great banyan tree is one of the boon for photographers, visit and capture the magnificent views of tangled roots & massiveness of the tree. Coordinates: 23°18'5"N 72°50'15"E

From Human Waste to Wearable Tech: The Future of Self-Sustaining Energy

From Human Waste to Wearable Tech: The Future of Self-Sustaining Energy In a groundbreaking innovation, robotics professor Ioannis Ieropoulos and his team at the University of the West of England (UWE Bristol) have successfully turned human waste and motion into electricity —using nothing but microbes and a pair of socks. This marks the first time microbial fuel cells (MFCs) have been integrated into wearable technology , opening up exciting possibilities for self-sustaining energy solutions. How Does It Work? The system relies on microbial fuel cells , which use bacteria to break down organic matter (in this case, human waste) and generate electricity as a byproduct. Here’s how the team made it wearable: Urine-Powered Socks : The researchers embedded soft MFCs into a pair of socks. As the wearer walks, their footsteps pump urine (yes, urine!) through the fuel cells, where microbes digest it and produce electrical energy. Wi...

How does Earth maintain a constant level of oxygen?

It doesn’t! The oxygen level of the planet has varied quite dramatically in the last 500 million years. It was 35 per cent during the Carboniferous period, around 300 million years ago; as the climate, cooled and land plants died off, oxygen fell to as low as 12 per cent by the beginning of the Triassic. Back then, the air at sea level would have felt thinner than at the top of the Alps today. Burning fossil fuels has reduced oxygen levels very slightly – about 0.057 per cent over the last 30 years. Deforestation only has a small effect because when rainforest is cut down, other plants are usually grown in its place. But it’s marine phytoplankton (plant plankton), rather than trees, that produces about 75 per cent of atmospheric oxygen. Global warming will have a significant impact on phytoplankton, which is a much more serious threat to oxygen levels.