Why are piano keys black and white? Know the fascinating history and math behind the pattern

The black-and-white pattern of piano keys helps musicians quickly identify notes across the keyboard, with seven white and five black keys forming an octave of 12 semitones. This arrangement, standardized in the 19th century, reflects a historical evolution from earlier instruments, where colors were often reversed. Ultimately, this design serves both mathematical and practical purposes.

‘Never expected to see this’: Passenger flags dirty interiors, rusted toilets on Vande Bharat

A passenger's post about unsanitary conditions on the Sabarmati to Veraval Vande Bharat train has sparked mixed reactions on social media, with many blaming passengers for dirtiness, while others criticized railway maintenance. The railway authority acknowledged the complaints and pledged to rectify the issues, highlighting a wider concern about civic responsibility and train upkeep in India.

Ankit Baliyan murder: Cops hunting Sonipat man who allegedly supplied weapons to shooters

Police are searching for Sujal, a resident of Sonipat, who allegedly supplied weapons and a motorcycle to the shooters responsible for the murder of Haryanvi singer Ankit Baliyan on August 26 in Shamli. The assailants, Mohit and Sumit, died during a police exchange. Investigators are probing Sujal’s connections and the conspiracy behind the murder. Baliyan was killed near a market while returning from the gym.

'India's economic resilience lies in domestic capability, diversification', says PM's Principal Secy

At the 5th Kautilya Economic Conclave, Dr. PK Mishra emphasized the need for resilience and strategic preparedness in today's uncertain global economy, highlighting that uncertainty alters economic behaviors. He indicated that India must develop competitive domestic capabilities while engaging in global partnerships and stressed that resilience requires balance between self-sufficiency and integration, echoing Prime Minister Modi's vision of Atmanirbharta.

Steve Reich on making music at age 90

Prominent American composer Steve Reich, who turns 90 on October 3, premiered his latest work, “In All Your Ways,” in August, showcasing innovative techniques. In a recent interview, he discusses his composing process, experimentation with structure, and views on AI. Reich, long influenced by biblical texts, emphasizes the evolving nature of music and composition.

Pargat Singh is fourth Doaba leader to head Punjab Congress

Former Indian hockey captain Pargat Singh has been appointed the new head of the Punjab Pradesh Congress Committee, succeeding Amarainder Singh Raja Warring amid ongoing factionalism. His selection aims to unify the Congress party and represent the Jat Sikh community, essential for the 2027 elections. Pargat's political legacy builds on his family's influence in the Doaba region.

Tilda Swinton to publish first book, a memoir titled 'Material Evidence'

Oscar-winning actor Tilda Swinton will publish her unconventional memoir, "Material Evidence," in fall 2028 with Farrar, Straus and Giroux. The book eschews traditional structure, reflecting memory's sensory nature through objects. Swinton hopes to inspire curiosity and appreciation for life’s nuances. Known for her diverse roles since the 1980s, Swinton's work includes "Michael Clayton" and "Doctor Strange."

NGT chairperson visits Indian Botanical Garden, joins plantation drive

Justice Prakash Shrivastava, Chairperson of the National Green Tribunal, participated in a tree plantation drive at Howrah’s Acharya Jagadish Chandra Bose Indian Botanic Garden, promoting the "Ek Ped Maa Ke Naam" campaign to honor mothers and foster community involvement in conservation. The historic garden, spanning 273 acres, is home to over 12,000 plant species and emphasizes ecological preservation.

‘You can win in imagination’: Iran hits back at Trump's ‘Tehran ready to fold up’ claim

In response to President Trump’s claims that Iran is “ready to fold,” Iranian official Mohsen Rezaei countered that America only wins in imagination, criticizing Trump as the “worst president in history.” Trump's assertions came amid escalating tensions and US sanctions on Iran, following failed ceasefire agreements and ongoing conflict in the Strait of Hormuz and Yemen.

Odisha govt announces ₹11 lakh each for Indian women's hockey team players for Asian Games win

Odisha Chief Minister Mohan Charan Majhi announced cash rewards of Rs 11 lakh each for players and Rs 5.5 lakh each for support staff of the Indian women's hockey team after their historic gold medal win at the Asian Games. The team qualified for the 2028 Olympics, ending a 44-year gold drought. Odisha continues to support national hockey initiatives.

Mixed-gender workplaces ‘ruin’ women: flydubai co-pilot’s posts reveal hardline views

The Omani flydubai co-pilot, Hamam al-Hammami, faces scrutiny following a September 30 incident where he allegedly stabbed his colleague and attempted to crash a plane with 174 passengers. His deleted posts reveal deeply religious and misogynistic views. Previously fired over extremism concerns, al-Hammami was known for discussing the negative impact of mixed-gender workplaces.

Hero stones: How India’s bond with natural diamonds is evolving

India’s rich cultural heritage intertwines diamonds, symbolizing power and beauty, from the ancient vajra associated with deity Indra to modern interpretations. The legendary Koh-i-Noor reflects this legacy, while contemporary trends embrace second ear piercings as symbols of independence. Companies like De Beers emphasize family connections in gifting, showcasing how diamonds evolve across generations.

Delhi’s new traffic system to track stolen vehicles, detect traffic jams and road accidents

Delhi's Intelligent Traffic Management System (ITMS) aims to enhance traffic monitoring by providing real-time updates on road conditions, including tracking stolen vehicles and alerting officers about accidents and traffic slowdowns. Integrated with existing police systems, it plans to improve efficiency and reduce congestion through adaptive traffic controls and extensive surveillance. The initiative addresses increasing vehicle numbers and operational challenges.

Chakra Horoscope Today, October 3, 2026

On October 3, emotional release and discernment are emphasized across different zodiac signs, urging individuals to navigate decisions by separating facts from assumptions. Key practices include chakra balancing and mindful eating. The day encourages accepting changes, recognizing personal growth, and utilizing clarity through meditation and service. Such energies facilitate personal insight, aiding overall well-being and emotional balance.

Rescue team from collapse, revive stalled innings: Why Tilak Varma does India’s most thankless job

Tilak Varma has emerged as a key player for the Indian T20I team, showcasing his ability to perform under pressure, particularly in high-stakes matches like the Asian Games 2026 final, where he scored 49 runs off 19 balls. Despite consistent performances, Varma’s contributions often go unnoticed amidst louder narratives, highlighting the challenging expectations faced by emerging cricketers.

Jr NTR condemns misuse of AI to create morphed Chuttamalle video of him and Janhvi Kapoor

Jr NTR condemned the circulation of a morphed AI-generated deepfake video of the song "Chuttamalle," urging strict regulations against AI misuse. He emphasized the disrespect towards women and vowed to take legal action against the creators and distributors of the content. The song, part of "Devara: Part 1," symbolizes his connection to his late mother, Sridevi.

Somatic exercises at home? A coach shares 5 helpful equipment tips

Quality yoga mats, blocks, resistance bands, therapy balls, and foam rollers enhance body awareness and stability during exercises. Somatic movement, rooted in spiritual traditions, emphasizes mindful engagement with physical sensations rather than mere performance. This trend is gaining momentum, reflecting a shift towards inner connection and wellness, particularly among the youth. The equipment can enrich the somatic experience.

SRFTI students maintain 'academic boycott', demand arrest of those responsible for clash

Students at the Satyajit Ray Film and Television Institute have maintained an "academic boycott" for six days, demanding arrests related to a violent clash with the RSS-affiliated Akhil Bharatiya Grahak Panchayat. Classes were halted after the September 27 incident. Authorities seek to resolve the situation, while students insist on security assurances. Conflicting narratives exist regarding the events of that day.

‘Everyone is proud’: Smit Machchhar's family lauds him after flydubai incident

Captain Smit Machchhar, the flydubai pilot who thwarted a co-pilot's mid-air attack, is receiving top-notch medical care, his family reports. They expressed gratitude for the immense support from national and global leaders. Despite severe injuries, he ensured the flight’s safe landing. Gujarat Chief Minister announced an award for his bravery, while PM Modi praised his heroic actions.

Shah Rukh Khan hails Captain Smit Machchhar for saving passengers despite being stabbed

Shah Rukh Khan has praised Indian pilot Captain Smit Machchhar for his bravery after he was stabbed by his co-pilot mid-flight while saving 174 lives on a Flydubai flight. Fellow celebrities like Salman Khan and Karan Johar also commended Machchhar's courageous actions during the incident on September 30, highlighting the hero’s selflessness despite significant injuries. The dramatic events unfolded over Saudi Arabia, culminating in a successful emergency landing.

Development gains must reach all; it's necessary for democracy, youth's faith in it: Vice president

To sustain democracy, Vice President C P Radhakrishnan stressed the importance of inclusive development, warning that youth may lose faith if benefits do not reach all. Inaugurating the 5th Kautilya Economic Conclave, he highlighted India's path to becoming a developed economy by 2047, underscoring the need for consensus-based policymaking and financial inclusion through initiatives like Direct Benefit Transfer.

Gurugram man jumps from 41st floor of posh Noida society, was in monetary distress: Cops

A 29-year-old man from Gurugram died by suicide on Saturday after jumping from the 41st floor of a Noida high-rise. Distressed over monetary issues, he had checked into an Airbnb three days prior. Despite attempts to intervene by an AC technician, he jumped before help could arrive. Police are investigating further, with previous conversations revealing family concerns.

Rahul Gandhi launches ‘Satyagraha' platform: Will help people where truth is being crushed

Congress leader Rahul Gandhi launched the 'Satyagraha' digital platform to unite protests across India, alleging that truth is being suppressed. He urged people to share their struggles and register their protests on the platform, emphasizing collective action as a means to combat injustice. Gandhi invoked Mahatma Gandhi's teachings, stressing the importance of standing together for truth.

Bengal: Fire breaks out at Democratic-TMC Bayron Biswas’ Murshidabad home, MLA injured

Bayron Biswas, an AITC MLA from West Bengal’s Sagardighi constituency, sustained burn injuries in a fire at his Murshidabad home on Saturday morning. The fire erupted around 11 am while family workers were nearby, who rescued him. Currently stable, Biswas may be transferred to a larger hospital. He recently transitioned from Congress to AITC amidst political changes.

Consulate General of Israel in Mumbai puts up billboard hailing Smit Machchhar

The Consulate General of Israel in Mumbai honored Captain Smit Machchhar on Friday for thwarting a co-pilot's alleged attempt to crash a flydubai flight bound for Israel, ensuring the safety of 174 passengers. Consul General Yaniv Revach praised Machchhar on social media. The flight experienced a dramatic emergency descent before landing safely in Saudi Arabia.

Bengaluru woman takes over 3 hours to cover 19 km in peak traffic: Huge respect for daily commuters

A Bengaluru woman's 19-km journey to catch a train turned into a three-hour ordeal due to peak-hour traffic and heavy rain, eliciting reactions on social media. She expressed newfound respect for daily commuters and noted the challenges of Bangalore's transport issues. Silpa's experience highlights the city's ongoing traffic struggles and the need for improved infrastructure.

'Not just BJP, but…': CJP takes dig at 'total buffoons', Congress leader hits out

CJP leaders criticized a so-called "self-declared liberal ecosystem" for denouncing their founder, Abhijeet Dipke, amid protests for electoral reforms. Saurav Das accused this group of fostering division and misrepresenting democracy, while Congress's Reetam Singh claimed CJP members rejected their help due to AAP's influence. The conflict highlights tensions within India's political landscape.

Virat Kohli falls for a golden duck after seven years in third ODI vs West Indies

In the third ODI in New Chandigarh, India struggled early, batting first and falling to 3/2 in the first two overs. Shubman Gill was dismissed by Jayden Seales, followed by Virat Kohli's surprising golden duck, marking just his fourth in ODIs. This stark contrast to India’s previous batting performance shocked fans celebrating a recent gold medal at the Asian Games.

Drought, fodder crisis push Latur farmers to harvest sugarcane for cattle feed

In drought-stricken Latur district, Maharashtra, farmers are sacrificing their sugarcane crops to feed starving livestock due to a severe fodder crisis caused by poor rainfall. The Maharashtra government has declared drought in 265 talukas and offered relief measures. Farmers like Narayan Gude report drastic declines in milk production, emphasizing the urgent need for government assistance and fodder camps.

Dil Se: Messages of HT City readers, for some loved ones

A heartfelt collection of messages reflects deep connections among friends and family, showcasing warmth and nostalgia. From missing friendships in Bengaluru to cherished memories of a late mother, these sentiments highlight bonds and the impact individuals have on one another's lives. The compilation emphasizes love, remembrance, and the anticipation of future moments together, inviting readers to share their own tributes.