RIGEL Archives

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RIGEL • S.Y. 2026–2027

05/09/2026

🧪 SIYENSIKULA | 𝑾𝒉𝒂𝒕 𝑰𝒇 𝑬𝒍𝒆𝒄𝒕𝒓𝒊𝒄𝒊𝒕𝒚 𝑯𝒂𝒅 𝒁𝒆𝒓𝒐 𝑹𝒆𝒔𝒊𝒔𝒕𝒂𝒏𝒄𝒆? ⚡

What if electricity could flow without losing energy as heat? A room-temperature superconductor could make this possible, with potential uses in power systems, transportation, and technology. LK-99 sparked excitement in 2023, but tests showed it was not a superconductor. The search continues, with AI helping scientists discover promising materials. 🔬✨

📚 Source:
Garisto, D. (2023). LK-99 isn’t a superconductor—how science sleuths solved the mystery. Nature.

Submitted by: Daniel A. Tito
Submitted to: Kirt Allen Florida

28/08/2026

🌈 SIYENSIKULA | THE PHYSICS OF RAINBOWS ☀️💧

Have you ever wondered why a rainbow has different colors? The beautiful colors we see in the sky are a result of how light interacts with water droplets. When sunlight enters a water droplet, it undergoes refraction, reflection, and refraction again, causing the different colors of light to separate.

From red to violet, each color bends at a different angle, creating the colorful arc we know as a rainbow. 🌈 This simple yet beautiful phenomenon shows how Physics is everywhere—even in nature.

Submitted by: Rhian A. Dimco
Submitted to: Kirt Allen Florida



28/08/2026

☀️ SIYENSIKULA | SUNLIGHT TO ELECTRICITY ⚡

Solar cells use the photovoltaic effect to convert sunlight into electrical energy. When sunlight hits a solar cell, its energy causes electrons to move, creating an electric current that can be used to power different devices. From homes and schools to street lights and electronic gadgets, solar energy shows how Physics can turn the light around us into something useful.

New developments such as perovskite and tandem solar cells are being studied to improve the efficiency, stability, and practicality of solar technology. This innovation shows how science continues to find better ways to use renewable energy for our future. ☀️🔋

Submitted by: Jesselou Krizzia S. Sarte
Submitted to: Kirt Allen Florida



27/08/2026

🧪 SIYENSIKULA | Why Does a Straw Look Bent in Water? 🤔💧
Have you ever noticed that a perfectly straight straw suddenly looks bent when you place it in a glass of water? 👀 It may look like the straw is actually bending, but there’s a fascinating Physics explanation behind it! This happens because of refraction, the change in direction of light as it passes from one medium to another, such as from water to air. Because light travels at different speeds in water and air, its direction changes when it crosses the boundary between them. Our eyes and brain interpret the refracted light as if it came from a different position, making the underwater part of the straw appear displaced. The same principle helps explain why objects underwater can look closer or shallower than they really are, and it is also important in technologies such as eyeglasses, cameras, microscopes, and telescopes. 🌊🔬✨ Physics takeaway: The straw isn’t really bending—the light is changing direction! 💡

Submitted by: Desiree Timtim Burgos
Source: OpenStax, Physics – Section 16.2: Refraction
https://openstax.org/books/physics/pages/16-2-refraction

27/08/2026

SIYENSIKULA| The physics of ultrasound:How Sound Waves Create Midecal Images

The physics of ultrasound explains how high-frequency sound waves are used to create detailed images of the inside of the human body. These sound waves travel through the body and produce echoes when they hit different organs and tissues. A special machine receives these echoes and converts them into images that doctors can use to examine a patient's condition. Ultrasound is commonly used to monitor a baby's development during pregnancy and to check organs such as the heart, liver, and kidneys. It is a safe, painless, and non-invasive technology that helps doctors diagnose and understand different medical conditions without surgery.

PRINCESS ANGNIE-11 RIGEL





27/08/2026

EZRYL GONZALES
ASSH-11 RIGEL

🧪 SIYENSIKULA | How Does Your Ear Hear Music?

Have you ever felt chills when your favorite song drops? That’s physics happening inside your ear. Music travels as sound waves through the air. When those waves reach you, they enter your ear and make your eardrum vibrate. Those vibrations move through tiny bones and into your cochlea, which is filled with fluid and thousands of microscopic hair cells.

This is where resonance comes in. Think of your cochlea like a tiny piano. High-pitched sounds make the hair cells near the entrance vibrate, while low-pitched sounds make the cells deeper inside vibrate. Because each frequency makes a different spot resonate, your brain can tell a guitar from a drum, and high notes from low notes. That’s also why you can feel the bass in your chest during a concert.

Real life connection: Every time you hear music, your body is literally turning waves into emotion.
Physics takeaway: Hearing music isn’t just listening. It’s waves resonating inside you.

27/08/2026

🧪 SIYENSIKULA | WHAT IF ROADS COULD TURN TRAFFIC INTO ELECTRICITY? ⚡🚗

What if the pressure created by passing jeepneys and cars could be converted into electrical energy? Piezoelectric materials have the ability to generate an electrical charge when mechanical stress is applied to them. In piezoelectric road tiles, the force from vehicles pressing on the tiles can cause the material to deform and produce a small electrical voltage. This demonstrates energy conversion: mechanical energy from the vehicle’s motion and the work done on the road can be converted into electrical energy. While each tile produces only a small amount of energy, many tiles working together could potentially support low-power applications such as sensors and monitoring systems. It’s a fascinating example of how Physics can turn everyday movement into useful energy. The road isn’t just carrying traffic—it could also harvest some of the energy from it. ⚡

27/08/2026

Nothing in the entire universe actually has a color, not the reddest apple, not the bluest sky, not a single object you've ever looked at. What exists out there is only electromagnetic radiation traveling at different wavelengths, and color itself is something your brain manufactures the instant that light hits your eye.





27/08/2026

CRISTAH JADE B. MEUDE
11 ASSH - RIGEL

🧪SIYENSIKULA | 🫧 What are Gravitational Wave & Black Holes?

Imagine space itself shaking like a giant cosmic trampoline! Gravitational waves are ripples in space-time produced by powerful events, such as two black holes merging together. Black holes have extremely strong gravity because a huge amount of mass is compressed into a very small area, while their collisions can create gravitational waves that travel across the universe at the speed of light. Scientists can detect these tiny ripples using instruments like LIGO, helping us study objects and events that cannot be observed easily with ordinary telescopes. In real life, studying gravitational waves allows scientists to learn more about black holes, gravity, and the history of our universe. The Physics takeaway: even the invisible movement of space can leave a measurable ripple across the cosmos.





27/08/2026

DANICA GALLARDO
11-ASSH RIGEL

SEYINSIKULA: How cold is TOO cold?

What if the coldest temperature in the universe is a place we can NEVER reach?

Absolute Zero = 0 K (−273.15°C)—the ultimate temperature limit! As particles lose thermal energy, getting closer to absolute zero becomes harder and harder. According to the Third Law of Thermodynamics, reaching exactly 0 K would require an endless process.

We can get incredibly close… but never quite reach it!

Physics takeaway: You can approach absolute zero, but nature keeps the final step out of reach.

Sources:

NIST (National Institute of Standards and Technology) — Absolute zero and low-temperature physics.

Nature Communications — A General Derivation and Quantification of the Third Law of Thermodynamics.

Nature — The Liquid State at the Absolute Zero and the Third Law of Thermodynamics.

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