Physics Voyager

🚀 16th Southeast Asia Astronomy Network (SEAAN) Meeting 2026 🌌 Are you interested in astronomy, space science, or regional scientific research? Universiti Malaya, in collaboration with Planetarium Negara and NARIT, is hosting the 16th SEAAN Meeting right here in Kuala Lumpur! This premier regional forum brings together researchers, educators, and students from across Southeast Asia to explore breakthroughs in astronomy, scientific outreach, and educational practices. 📌 Event Details: 📅 Dates: 16–19 November 2026 📍 Venue: Planetarium Negara, Kuala Lumpur, Malaysia 🏛 Hosts: Universiti Malaya (UM), Planetarium Negara, & NARIT 💡 Why join? • Connect with astronomers and researchers from across ASEAN • Explore emerging astronomical facilities & research collaborations • Gain insight into space science education & public outreach 🔗 More info & registration: https://umevent.um.edu.my/SEAAN2026

NCPP Lecture Series 2026 Ever wondered what the Universe is really made of? Could extra dimensions beyond our familiar three-dimensional space actually exist? Join us for an exciting lecture by Dr. Anuar Alias, Associate Fellow of the National Centre for Particle Physics (NCPP) and expert in theoretical physics. Topic: Braneworld: Its Intriguing Extra Spatial Dimensional Relation to Wormhole, Gravitational Waves and Superluminal Travel Discover how modern theories of extra dimensions could transform our understanding of gravity, wormholes, gravitational waves, and even the possibility of faster-than-light travel. 📅: 16 July 2026 (Thursday), 2:30 PM (Malaysian Time) 📍: Online via Zoom 🔗: 859 7453 4833 🔐: 3ZjAp6 https://us05web.zoom.us/j/85974534833?pwd=f5hYpY00phadMBBzMlGqL8mjJIvFnr.1 Free & Open to everyone! Whether you're a researcher, postgraduate student, or simply fascinated by the mysteries of the Universe, you're most welcome to join.

Are Black Holes Actually... Colourful? 🌌🤔 Black holes aren't just empty voids of darkness... they might be more colorful than you think! ✨ Catch this exciting public talk by Prof. Dr. Chorng-Yuan Hwang (Visiting Professor at Universiti Malaya / National Central University, Taiwan) as he unravels the mysteries of "Colourful Black Holes." 🗓 Saturday, 13 June 2026 🕚 11:00 AM - 12:00 PM 📍 Auditorium Ibnu Sina, Level 3, National Science Centre, KL Bring your friends, your curiosity, and all your burning questions about the universe! See you there! 🚀 #SpaceScience #BlackHoles #AstronomyMalaysia #PusatSainsNegara #PhysicsTalk #KLEvents

LEIDENFROST EFFECT A physical phenomenon where a liquid close to a solid surface of another body hotter than its boiling point produces an insulation vapor layer, keeping the liquid from boiling rapidly. Why does this happen? Take water for example. At temperatures at or above the Leidenfrost point, the bottom part of the water immediately vaporizes upon contact, resulting in steam that 'suspends' the rest of the water droplet above it as a means of preventing the rest of the droplet from coming into direct contact with the surface. And due to the poor thermal conductivity properties of steam, transfer of heat between the surface and the droplet slows down by a lot, even allowing the droplet to 'skid' on the surface! Credits: Picture from X

Is it a particle or is it a wave? In the quantum realm, the answer is "yes." Today we celebrate the World Quantum Day as a nod to the Planck constant (h ~ 4.14 x 10^{-15} eV·s）— the fact that every quantum entity can be described as both a discrete particle and a wave of probability. It’s a reminder that reality is far more complex (and beautiful) than our eyes lead us to believe. 🌊🔬

Unlocking the Mysteries of the Universe Join the Centre for Astronomy and Astrophysics Research (CAAR) for the first installment of our Online Lecture Series! We are honored to host Prof. Dr. Jeremy Lim from the University of Hong Kong for a deep dive into "Dark Matter Under the Gravitational Lens." Date: Tuesday, 31st March 2026 (TODAY!!!) Time: 8:00pm – 10:00pm Platform: Zoom (Free Admission) Zoom ID: 68 1620 3970 Passcode: 047562 Link: https://us02web.zoom.us/j/86816203970?pwd=Qu5J3Gcb6m6WSa2Y97tSs8ynxTF1Yu.1 Don't miss this opportunity to learn about the invisible forces shaping our cosmos from a leading expert in the field.

Sending you my warmest wishes on this Eid al-Fitr. May the joy of this festival remind us all of the importance of community, gratitude, and kindness. May all your prayers be answered and your home be filled with light and warmth today. Hoping your holiday is nothing short of perfect. Eid Mubarak!

Dear all, We would like to invite applications for positions of Research Assistant for project on Extragalactic Jets through the VLBI Glass: An Observational Study. EMPLOYMENT STATUS: FULL-TIME REQUIREMENT: We would like to invite applications for a PhD position for the project "Extragalactic Jets through the VLBI glass: An Observational Study." Requirements ➡️Possess a Bachelor Degree (CGPA >3.70) and/or a Master Degree in Physics or related discipline. ➡️Strong interest in research. ➡️Good communication and scientific writing skills in English. ➡️Able to work independently, self-motivated, reliable and a keen learner with good interpersonal skills. ➡️Computer literate (Words, Excel, Powerpoint, Latex). Proficient Unix systems (eg, linux) and in programming (eg, python) would be an added advantage. Responsibilities ➡️Candidate must register for a PhD in Universiti Malaya immediately upon appointment. ➡️Responsible for carrying out work (administrative, planning, data analysis, write up etc.), reporting directly to the Project Leader. ➡️Develop a research project in the field of Extragalactic jets with radio astronomical observations ➡️Publication of scientific articles in scientific journals. Benefits ➡️GRA allowance of RM 2,200/month over the project duration of 3 years. How to Apply ➡️Contact the PI, Dr. Juan Carlos Algaba (algaba@um.edu.my) for expression of interest. ➡️Applications MUST be made online through RA Recruitment System website at http://ra-recruitment.um.edu.my. Please be informed that only the applications received for this project through RA Recruitment System will be selected. ➡️Short-listed candidates will be contacted for an interview. APPLICATION CLOSING DATE: 15-04-2026 Thank you

Spin off from Physics: The Mystery of the Pyramids 🤔 Thousands of years ago, they raised monuments designed to outlast every empire, every language, and every king they were built for. Thousands of years later, and we’re still asking: How? From the precision of the alignment to the sheer scale of the stones, the Great Pyramids remain history’s greatest "unfinished" puzzle. I recently came across a fascinating deep dive that challenges everything we thought we knew about their construction. It suggests we’ve been looking for the wrong evidence. The ramps and machinery aren't "missing," they were simply repurposed. Check out the full discussion here: 🎥 Video: This New Pyramid Theory Explains the Missing Evidence ( https://youtu.be/h5kWDOuY2Uo?si=kf4WzxzP92-BdVlC ) 🌐 Explore the Research: DamiLee Pyramids Interactive Site ( https://damileepyramids.framer.website/ ) History isn't just a record of the past; it’s a collection of secrets waiting to be rediscovered.

Did You Fall for the Physics Traps? I posted these two questions (https://t.me/physicsvoyager/130) to test your intuition, and the results show just how "tricky" the fundamentals can be. Let’s break down the trick in the two problems Problem A: reduced intensity at constant frequency: - maximum speed of electrons: no change - rate of emission of electrons: decreases increased frequency at constant intensity: - maximum speed of electrons: increases - rate of emission of electrons: "decreases" Why "Constant Intensity" is a Trap 🪤 In the Photoelectric Effect, we are usually taught two "rules of thumb": 1. Intensity affects the rate of emission. 2. Frequency affects the maximum speed of electrons. Because of this, many students see "Constant Intensity" and instinctively write "No Change" for the emission rate. But that’s the trap. Why does the rate actually decrease? It's because Intensity = Total Energy per second per area, not the number of photons! When you increase the frequency while keeping intensity constant, the total "energy budget" is fixed, but each individual photon becomes more expensive (more energetic). To keep the total energy the same, you must have fewer photons hitting the surface. Apple Analogy 🍎 Think of it like shopping with a fixed budget of RM 10: - Grocery A (Low Frequency): Each apple costs RM 1. You can buy 10 apples. - Grocery B (High Frequency): Each apple costs RM 2. You can only buy 5 apples. If one photon (apple) is required to knock out one electron, then Grocery B, despite having the same "Intensity" (RM 10) results in fewer electrons being emitted. More energy per photon = Fewer photons = Lower emission rate. ———————————————————————————————— Problem B : Blue star is the winner. It has both higher temperature and emits more red light ! Counterintuitive huh? Blue has more red ??? The "Scale" Trap In physics, we often think of color as a filter (like putting on red sunglasses), but for stars, color is a temperature gauge. The Physics: A Blue Star is much hotter than a Red Star. The Rule: According to the Stefan-Boltzmann Law, a hotter object emits more energy at every single wavelength than a cooler object of the same size. The "Height" Reality If you look at the Blackbody Radiation curves: The Red Star has a small hill that peaks in the red part of the spectrum. The Blue Star has a massive mountain that peaks in the blue/UV part. Even though the blue star peaks elsewhere, its "mountain" is so much taller that its "foothills" in the red section are still much higher than the red star’s entire peak! (Check the blackbody radiation curve in the comment section) A hotter star doesn't just change color; it turns the volume up on the entire spectrum. Wild, right? Physics is the art of seeing through the universe's illusions. Do share your thoughts below! 🤯 *the text is refined using gemini AI. *Question B is taken from the page: https://www.facebook.com/photo?fbid=1316785563801801&set=a.346486317498402

Quantum Mechanics These two questions look different, but they share the same DNA. One helped Einstein win a Nobel Prize, and the other ended the 'Ultraviolet Catastrophe.' The Challenge: 🔍 Problem A: Complete the table for the photoelectric effect. 🔍 Problem B: Identify which star is hotter and which star emits more red light. Drop your answers in the comments! 👇

A nice figure by the channel: House of Physics

Channel photo updated

O Christmas tree, o cosmic tree 🎄 Located about 2,500 light-years from Earth, NGC 2264 is a cluster of young stars between one and five million years old. The stars appear as blue and white lights surrounded by swirls of gas—the “pine needles” of the tree—with green representing light in the visible spectrum. The image combines data from NASA’s Chandra X-ray Observatory and optical data from astrophotographer Michael Clow’s telescope. Read more: https://www.nasa.gov/image-article/telescopes-illuminate-christmas-tree-cluster/?fbclid=IwY2xjawO6BVxleHRuA2FlbQIxMQBzcnRjBmFwcF9pZAwzNTA2ODU1MzE3MjgAAR4L7sQYFCmtCUWZ_SQrIG--Azm4GwbPkSxrOv3cFVwNUZaiQpb64m0J0Gy4Sw_aem_VBUkq38GbtUIYGHA0Epgzg

To All SPM Candidates You’ve come a long way, through countless quizzes, late-night revisions, and moments of doubt. It’s normal to feel nervous right now, but remember this: you are far more prepared than you think. SPM isn’t the end of your journey. It’s just one important milestone. It doesn’t define your worth, but it does reflect your effort and resilience. Don’t fear tough questions, and don’t doubt yourself. In the exam hall, all you need to do is breathe, stay calm, and trust your preparation. If you do well, that’s experience. If you stumble, that’s growth. Either way, you’ve already earned something to be proud of. Keep your mind steady, your heart brave, and your pen flowing go write your own story in this SPM journey.

Prof. Chen Ning Yang, a world-renowned physicist, Nobel Laureate in Physics, Academician of the Chinese Academy of Sciences, Professor at Tsinghua University, and Honorary Director of the Institute for Advanced Study at Tsinghua University, passed away in Beijing due to illness at the age of 103. His life stands as a timeless chapter in human history—one that shines not only for China but for the global community of thinkers and innovators. His legacy will live on forever. https://www.facebook.com/share/p/1DRp4SwZnG/

The Royal Swedish Academy of Sciences has decided to award the 2025 Nobel Prize in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.” Summary of their work is in the comment section Learn more Press release: https://bit.ly/42jAlZg Popular information: https://bit.ly/4gKFvTX Advanced information: https://bit.ly/48CSBjZ