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Referred to as the foundation of all sciences, mathematics has both abstract and practical aspects. In either aspect, it seeks the order in material world. In this episode, Mr Denvid LAU, Professor from the Department of Architecture and Civil Engineering of City University of Hong Kong, is invited to introduce the mathematician Professor Ngai-ming MOK. Professor MOK’s VMRT Theory is the simplest model for studying a certain spatial dimension. It has an important and seminal inspiration to future physics and mathematics. Apart from being a mathematician, Professor MOK is also a poet proficient in multiple languages. Not only do these two identities show no conflict, they are even complementing each other. Professor MOK explores the inner logic and abstract beauty of all things by drawing an analogy. Producer: YU Wing-chuen

Born and growing up in Vietnam, NGUYEN Ngoc Anh studied ballet at the Vietnamese Dance College, and dabbled in contemporary dance afterwards. To pursue his dream and see the wider world of dancing, he determined to study at the Hong Kong Academy for Performing Arts. While Anh was frustrated by the language barrier and cultural differences, he managed to overcome all difficulties with his perseverance honed through practising dance since childhood. After graduation, he joined the dance company of the renowned choreographer Wayne McGregor in England, and won the Spotlight Award for Male Artist at the UK Critics’ Circle Dance Awards. After travelling around the world, it’s time for Anh to return home. For the sake of his family and giving back to the place that nurtured him, he returned to Hong Kong and continues to create and pass down his experience to the next generation. Director: Maurice LAI

A visual artist who likes to break down barriers in communication: Xu Bing is known for incorporating words and characters into his art to explore the role of language and text in human life. The Hong Kong Museum of Art is currently featuring a hybrid calligraphic project that he’s been working on for over three decades. Sarah Sze likes to use create her large-scale installations using ordinary and found objects. Even her paintings are layered with collages made up of different elements. A professor of visual arts at Columbia University, she recently received a Meraki Artist Award from the Institute of Contemporary Art, Boston. Sze’s first solo exhibition in Asia, at the Gagosian gallery, features recent works, including seven mixed-media paintings and eight hanging sculptures. Growing up in Göttingen, a small city in the middle of Germany, Felix Kieser chose to play the horn at the age of five. Born without arms, he’s kept up his determination to master the instrument despite the challenges along the way. Today, he's received several music awards, a two-year residency with the Bournemouth Symphony Orchestra, debuted at the BBC Proms two years ago, published a book, and released albums. His stories of life behind the scenes as an artist with his horn “Alex” have also developed a considerable following on social media. He was in Hong Kong on 7th April to perform a one-night concert of Mozart and Strauss horn concertos with the City Chamber Orchestra of Hong Kong. We spoke to him.

Keung is looking forward to Saturday, which is a big day for him. He’s going to the Animation-comic Festival for the first time! As early as Monday, he’s anxious about it. He doesn’t care for anything, except the coming Saturday. But all of a sudden, he finds himself living the same day repeatedly. Every morning he wakes up, it is Monday. From puzzling to playing video games happily, to getting bored, to doing his homework … Miraculously, Keung wakes up one morning and finds it is Tuesday. Days repeat over and over again, and with much hassle, he finally makes it to Friday. He realises life can be interesting and meaningful as long as he lives every day well. Will Keung be able to go to the animation-comic festival at last?

One hundred years ago, an aircraft soared over Victoria Harbour, capturing the city from a bird’s eye view. Over the past century, aerial survey has not only been crucial to mapping Hong Kong, but also been witnesses of the city's transformations. From Victoria City to wartime ruins, from the economic takeoff to today's digital age, each aerial photo tells a story. From rudimentary single-engine aircraft to jet planes, from primitive film cameras to multifunctional digital cameras, how has aerial survey evolved in Hong Kong?

Carrying the wisdom and history of mankind, books are an important medium for the dissemination of knowledge. However, when a book turns shabby through the passage of time, how can the precious writings therein be passed on? And will some important footprints of history be lost? This episode features book and paper conservator Lesley LIU, Head of Preservation and Conservation Centre at the University of Hong Kong Libraries, who works day after day prolonging the lifespan of countless ancient books. The philosophy of book and paper conservation is “like for like”, that is, to preserve the original appearance of an object as much as possible in conservation. For this reason, Lesley is very meticulous about every process, including the choice of adhesive ingredients and paper used in conservation, the mixing of colours, the repair methods, etc. Conservators do not only restore the appearance of ancient books with their skillful hands, but also make the wisdom and emotions contained therein timeless. Producer: Kay KWOK

Join Zaza and Meka as they explore Tengchong’s unique geography and rich culture. They hike a volcanic summit, ride horseback around a crater, and visit the Volcano Geology Museum. In Heshun Ancient Town, known for its blend of cultures and educational heritage, they delve into the Tea Horse Road history through a traditional tea ceremony. They also discover the country’s largest rural library and the memorial hall of philosopher Ai Siqi. At the century-old vegetable market, they experience local life but face a language barrier. A backpacker hero helps them out before vanishing.

The Hong Kong SAR Government promulgates the "Hong Kong Innovation and Technology Development Blueprint " in 2022 , focusing on enhancing the innovation and technology ecosystem and advancing Hong Kong's "new industrialisation." Over the past three years, the government has invested over HK$800 million in flagship innovation and technology projects at Science Park and Cyberport to support technology start-ups. The2023-24 Budget also proposed an allocation of HK$3 billion to drive breakthroughs in research and development. What has been the effectiveness of the government's series of innovation and technology support measures? What challenges and difficulties do Hong Kong's innovation and technology companies face? The development of "new quality productivity" implies that traditional economic growth, productivity, and the labour force will undergo profound reforms. How will the general public and traditional businesses in Hong Kong adapt to align with this advanced productivity paradigm?

After Hours with Michael Lance

Reflections 晚禱

Nocturne 夜心曲

News at Eleven

Chopin and His Europe Festival: Alberto Nosè

BackStage - Gracie Abrams in Hong Kong

Sunset Sounds with Simon Willson

Simply Classical 就是古典

The Financial Secretary, Mr Paul Chan, will deliver the 2025-26 Budget on February 26. With a projected $100 billion deficit, the 2025-26 Budget aims to increase income and reduce expenditure. Key concerns include potential adjustments to the elderly fare concession scheme, civil service structure, measures to improve land sales revenue, and public relief measures. Welcome to join us on RTHK’s TV, radio and online platforms to watch the related programmes live.

Top 10 Music Headlines, presented by RTHK Radio 4, is now in its 39th year. Each year, we invite listeners together with professional critics, to tell us their choice of the top headlines. The news items are nominated by professionals in the music scene, and based on their influence on cultural and academic development in Hong Kong. Newsworthiness is a secondary consideration. Please select 10 news headlines from 20 nominations. Selection is made on the basis of cultural value and impact on academic development.

The results of RTHK 35th International Pop Poll Awards will be announced in December. Now is your opportunity to vote for your favourite artists and songs. The voting period is November 8 - 17, 2024. Vote now! Results will be announced in December 2024.