International Day of Light 16 May

Celebrate the International Day of Light (16 May), an annual observance of #UNESCO. 2026 theme *Light For A Sustainable Future* #lightday2026

[International Day of Light 16 May @IDLofficial]

🎉 Hello World 🌎🌍🌏
Today marks the 9th edition of @UNESCO #lightday2026, celebrating the role of light for a sustainable future. How will you celebrate the brilliance of light today? Tag us on socials. #lightday2026✨
https://t.co/w6usUQGnQO

[International Day of Light 16 May @IDLofficial]

🌟We are very grateful for the continued commitment and support from the steering committee, our partners, and the guidance and oversight from the @unesco science sector in making the 9th edition of #lightday2026 a grand success 💡
➡️https://t.co/ansRbq4aVv

[RAU Optica, SPIE and YM Student Chapters @opticaspierau]

As part of “Radiant Minds: Exploring Light from Lab to Life” (#IDL2026), we were honored to host Prof. Zaiping Zeng (Henan University, China) and Assoc. Prof. Nabil Zeiri (University of Monastir, Tunisia).

Thank you for sharing your expertise and insights with our community! 🌍

[European Physical Society (EPS) @EuroPhysSoc]

🏆Nominations are now open for the second edition of the Alessandro Volta Prize, initiated by the EPS and Acinque. The award, intended to promote excellence in research, will be given in recognition of outstanding research and achievements in physics.

👉https://t.co/lOVT6sQmvi

[International Day of Light 16 May @IDLofficial]

If you haven't registered yet, there's still time!
Register now to add your event to our global map and join the worldwide movement celebrating light 💡https://t.co/zEvckAmvNO

[International Day of Light 16 May @IDLofficial]

🧵🌟 A Big Thank YOU to our amazing community!🌟

The 9th edition of @UNESCO #lightday2026 is running successfully, and that's entirely because of YOU: the organisers who made it happen and the participants who showed up with enthusiasm💛

[International Day of Light 16 May @IDLofficial]

✨To recognise your valuable contribution, we have created a personalised 'Certificate of Participation.' Simply add your name, event name, or your participants' names. Keep it as a souvenir or share it to celebrate your involvement!
🔗 https://t.co/HseHQcIVrO

[RAU Optica, SPIE and YM Student Chapters @opticaspierau]

✨ As part of #IDL2026, we organized a Women in Science Day, bringing together researchers, students, and schoolchildren. Women scientists shared their research and journeys, inspiring future generations 💡
Main sponsor: @OpticaWorldwide

@SPIEtweets @epsyoungminds @IDLofficial

[RAU Optica, SPIE and YM Student Chapters @opticaspierau]

As part of Radiant Minds: Exploring Light from Lab to Life and the International Day of Light, our chapter members and school students took part in a cultural exchange visit to Gyumri.🏞️
A day of culture, connection, and shared experiences. 💫

Main sponsor: @OpticaWorldwide

[European Physical Society (EPS) @EuroPhysSoc]

🏆 The European Physical Society is delighted to announce that Jean Dalibard has been awarded the 2025 Alessandro Volta Prize.
👏Congratulations!

https://t.co/zCZHJMxoma

[Optics Valley of China @OpticsValleyCN]

The #OVCExpo 2026 opens today, gathering 400 leading global #optoelectronics companies.

At #OVC, local innovators showcase cutting-edge techs, proving that in the AI era, light has stepped from behind the scenes to the center of the information age. 💫#WorldOVC

[MDPI Physical Sciences @MdpiPhysci]

"Light for a Sustainable Future" #IDL2026
Check out our open access journals, Special Issues & platforms advancing light-related research. https://t.co/uRVIFvSqI1
@MDPIOpenAccess @IDLofficial #LightDay2026 #SustainableFuture @Photonics_MDPI @OpticsMdpi @Atoms_MDPI @Entropy_MDPI

[Optica @OpticaWorldwide]

Beyond the lab, light science pulls inspiration from nature for solutions.

These butterfly-inspired films create vibrant colors while passively cooling objects, which could reduce the energy needed for cooling buildings or vehicles: https://t.co/5JBOZYRLGE
#LightDay2026

[Multi Radiance Laser Therapy @MultiRadiance]

#LightDay2026 celebrates the impact that light has on science, healthcare, culture + more ☀️ On this day in 1960, physicist & engineer Theodore Maiman successfully fired the first laser.

Learn more about @IDLOfficial: https://t.co/vGaHAwXJVh

[ESA_Italia @ESA_Italia]

Oggi si celebra la Giornata Internazionale della Luce. 💡
E se potessimo utilizzarla per la propulsione nello spazio?

#lightday2026 @esaspaceflight @UNESCO @IDLofficial

[ESA_Italia @ESA_Italia]

Grafene e laser uniscono le forze e sperimentano il potenziale per sistemi di propulsione aerospaziale, come spiega l'articolo che vi riproponiamo di @esaspaceflight sul tema.

https://t.co/auTpDawzHs

#lightday2026 @IDLofficial

[Optica @OpticaWorldwide]

"I always got the impression there was something very special about these scientists beyond what they were teaching us."

Celebrate #LightDay2026 and learn how Thomas Dekorsy works to tackle the 1 million pieces of #space debris that threaten satellites: https://t.co/Wfnc505BXK

[Quantum Beam Science MDPI @qubsmdpi2023]

📢 Join the MDPI International Day of Light 2026 Webinar!

Explore the latest advances in lasers and photonics at the International Day of Light event.

🗓️ 15 May
💡 Insights from experts
🌍 Global research community
🔗 Register here: https://t.co/vlpMWGkXIW
#IDL2026 #Photonics

[ASDF International @ASDFInt]

International Day of Light

Let's keep shining bright and illuminating the path to a sustainable future! 🌟📡

#IDL2026 #LightDay #ScienceOfLight #ShineBright #Innovation #Optics #Photonics #LetThereBeLight #LightTheWay #SustainableEnergy #ASDFInt

[START (Search for Truth and Return to Science) @STARToutreach]

Light is more than just what we see—it’s the energy that powers our homes, the fiber optics that connect our world, and the science that heals our bodies.
Today, May 16, we celebrate the International Day of Light.
@STARToutreach

#InternationalDayOfLight #IDL2026 #LightDay

[International Day of Light 16 May @IDLofficial]

🎉 On the occasion of the 9th edition of the International Day of Light, we are honoured to receive a special message from the @UNESCO Director-General Khaled El-Enany, reminding us of the universality of #light💡 in life and society⬇️

https://t.co/yM21rgjhIe

#lightday2026