🧵🚨🗞 Our July Newsletter is here🚨🗞
We are thrilled to share the (ongoing) global impact of the 8th edition of @unesco.org #lightday2025!🌍✨
🗞 Dive into our July newsletter for event highlights, and inspiration: mailchi.mp/2d3a1c787f19...
We are thrilled to share the (ongoing) global impact of the 8th edition of @unesco.org #lightday2025!🌍✨
🗞 Dive into our July newsletter for event highlights, and inspiration: mailchi.mp/2d3a1c787f19...
July 25, 2025 at 4:05 PM
🧵🚨🗞 Our July Newsletter is here🚨🗞
We are thrilled to share the (ongoing) global impact of the 8th edition of @unesco.org #lightday2025!🌍✨
🗞 Dive into our July newsletter for event highlights, and inspiration: mailchi.mp/2d3a1c787f19...
We are thrilled to share the (ongoing) global impact of the 8th edition of @unesco.org #lightday2025!🌍✨
🗞 Dive into our July newsletter for event highlights, and inspiration: mailchi.mp/2d3a1c787f19...
🧵🌟 A Big Thank YOU to our incredible community! 🌟
We are truly grateful to all the passionate event organisers and participants for your tremendous effort in making the 8th edition of @unesco.org #lightday2025 a grand success!
We are truly grateful to all the passionate event organisers and participants for your tremendous effort in making the 8th edition of @unesco.org #lightday2025 a grand success!
June 3, 2025 at 11:53 AM
🧵🌟 A Big Thank YOU to our incredible community! 🌟
We are truly grateful to all the passionate event organisers and participants for your tremendous effort in making the 8th edition of @unesco.org #lightday2025 a grand success!
We are truly grateful to all the passionate event organisers and participants for your tremendous effort in making the 8th edition of @unesco.org #lightday2025 a grand success!
This contest reminded us that light isn’t just a physical phenomenon — it’s inspiration, innovation, and imagination.
Until next time, keep your lens on the wonder around you. 🌟
@idlofficial.bsky.social @optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
Until next time, keep your lens on the wonder around you. 🌟
@idlofficial.bsky.social @optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
May 27, 2025 at 6:29 AM
This contest reminded us that light isn’t just a physical phenomenon — it’s inspiration, innovation, and imagination.
Until next time, keep your lens on the wonder around you. 🌟
@idlofficial.bsky.social @optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
Until next time, keep your lens on the wonder around you. 🌟
@idlofficial.bsky.social @optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
🪐 IDL Photo Contest
🥇 1st Place – Adrine Torosyan
This photo captures a stunning close-up of a CD surface reflecting a vivid rainbow. 💿🌈
The interplay of light and technology beautifully symbolizes the fusion of science and art. 🔬
#lightday2025 @idlofficial.bsky.social @optica.org @spie.org
🥇 1st Place – Adrine Torosyan
This photo captures a stunning close-up of a CD surface reflecting a vivid rainbow. 💿🌈
The interplay of light and technology beautifully symbolizes the fusion of science and art. 🔬
#lightday2025 @idlofficial.bsky.social @optica.org @spie.org
May 24, 2025 at 7:08 PM
🪐 IDL Photo Contest
🥇 1st Place – Adrine Torosyan
This photo captures a stunning close-up of a CD surface reflecting a vivid rainbow. 💿🌈
The interplay of light and technology beautifully symbolizes the fusion of science and art. 🔬
#lightday2025 @idlofficial.bsky.social @optica.org @spie.org
🥇 1st Place – Adrine Torosyan
This photo captures a stunning close-up of a CD surface reflecting a vivid rainbow. 💿🌈
The interplay of light and technology beautifully symbolizes the fusion of science and art. 🔬
#lightday2025 @idlofficial.bsky.social @optica.org @spie.org
💡 You're Invited to Celebrate the 2025 International Day of Light! Join us on Sunday, June 1, at the Flandrau Science Center & Planetarium for a FREE, family-friendly celebration of light, science, and discovery!
🔗 Learn more: https://www.aztechcouncil.org/event/2025-idl/
#lightday2025
🔗 Learn more: https://www.aztechcouncil.org/event/2025-idl/
#lightday2025
May 24, 2025 at 12:30 AM
💡 You're Invited to Celebrate the 2025 International Day of Light! Join us on Sunday, June 1, at the Flandrau Science Center & Planetarium for a FREE, family-friendly celebration of light, science, and discovery!
🔗 Learn more: https://www.aztechcouncil.org/event/2025-idl/
#lightday2025
🔗 Learn more: https://www.aztechcouncil.org/event/2025-idl/
#lightday2025
🪐 IDL Photo Contest – Celebrating Light in All Its Wonder
🥈 2nd Place – Nare Hovsepyan
A thoughtful composition of Mount Ararat reflected in a car mirror — capturing both journey and memory, past and future, all in one powerful shot.
@idlofficial.bsky.social @optica.org @spie.org #lightday2025
🥈 2nd Place – Nare Hovsepyan
A thoughtful composition of Mount Ararat reflected in a car mirror — capturing both journey and memory, past and future, all in one powerful shot.
@idlofficial.bsky.social @optica.org @spie.org #lightday2025
May 23, 2025 at 7:25 PM
🪐 IDL Photo Contest – Celebrating Light in All Its Wonder
🥈 2nd Place – Nare Hovsepyan
A thoughtful composition of Mount Ararat reflected in a car mirror — capturing both journey and memory, past and future, all in one powerful shot.
@idlofficial.bsky.social @optica.org @spie.org #lightday2025
🥈 2nd Place – Nare Hovsepyan
A thoughtful composition of Mount Ararat reflected in a car mirror — capturing both journey and memory, past and future, all in one powerful shot.
@idlofficial.bsky.social @optica.org @spie.org #lightday2025
But wait...there's more! Over #LightDay2025, we received an extraordinary response from Optica Student Chapters from around the world.
The response was so great that we couldn't include every event in one thread, so we made a page for even more! 👉
www.optica.org/history/mile...
The response was so great that we couldn't include every event in one thread, so we made a page for even more! 👉
www.optica.org/history/mile...
May 23, 2025 at 4:47 PM
But wait...there's more! Over #LightDay2025, we received an extraordinary response from Optica Student Chapters from around the world.
The response was so great that we couldn't include every event in one thread, so we made a page for even more! 👉
www.optica.org/history/mile...
The response was so great that we couldn't include every event in one thread, so we made a page for even more! 👉
www.optica.org/history/mile...
One by BYU for SiO2 bottom right cleanroom.byu.edu/color_chart . The latter also shows the effect of the intensity of the illuminating source. The source for the dryer drum photos was natural skylight. #lightday2025 @idlofficial.bsky.social @ausphysics.bsky.social @optica.org
Silicon Dioxide/Nitride Color vs. Film Thickness and Viewing Angle Calculator
cleanroom.byu.edu
May 23, 2025 at 12:34 AM
One by BYU for SiO2 bottom right cleanroom.byu.edu/color_chart . The latter also shows the effect of the intensity of the illuminating source. The source for the dryer drum photos was natural skylight. #lightday2025 @idlofficial.bsky.social @ausphysics.bsky.social @optica.org
🚨 You can STILL register your events for #lightday2025 even if they are held later this year or you missed! 💡🎉
📥 www.lightday.org/events
And don’t forget to tag us – we love to share your efforts! 🤩
📥 www.lightday.org/events
And don’t forget to tag us – we love to share your efforts! 🤩
Events | idlight
www.lightday.org
May 22, 2025 at 11:45 AM
🚨 You can STILL register your events for #lightday2025 even if they are held later this year or you missed! 💡🎉
📥 www.lightday.org/events
And don’t forget to tag us – we love to share your efforts! 🤩
📥 www.lightday.org/events
And don’t forget to tag us – we love to share your efforts! 🤩
From the quantum scale to the stars, from biology to imagination — light keeps inspiring us. ⭐️
@optica.org @idlofficial.bsky.social @spie.org @ekarimi.bsky.social @unesco.org @worldquantumday.bsky.social
#lightday2025
@optica.org @idlofficial.bsky.social @spie.org @ekarimi.bsky.social @unesco.org @worldquantumday.bsky.social
#lightday2025
May 22, 2025 at 7:38 AM
From the quantum scale to the stars, from biology to imagination — light keeps inspiring us. ⭐️
@optica.org @idlofficial.bsky.social @spie.org @ekarimi.bsky.social @unesco.org @worldquantumday.bsky.social
#lightday2025
@optica.org @idlofficial.bsky.social @spie.org @ekarimi.bsky.social @unesco.org @worldquantumday.bsky.social
#lightday2025
From lenses to lasers — science came alive through experience. 💡
@idlofficial.bsky.social
@optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
@idlofficial.bsky.social
@optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
May 19, 2025 at 9:29 PM
From lenses to lasers — science came alive through experience. 💡
@idlofficial.bsky.social
@optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
@idlofficial.bsky.social
@optica.org @spie.org @worldquantumday.bsky.social
#lightday2025
As we conclude #LightDay2025, we want to extend a huge thank you to all the students, faculty, and advisors who made these celebrations possible.
Every subject expert that attendees heard from was a student once
And we'll be here year-round to support you and your optics journey.
Every subject expert that attendees heard from was a student once
And we'll be here year-round to support you and your optics journey.
May 16, 2025 at 11:15 PM
As we conclude #LightDay2025, we want to extend a huge thank you to all the students, faculty, and advisors who made these celebrations possible.
Every subject expert that attendees heard from was a student once
And we'll be here year-round to support you and your optics journey.
Every subject expert that attendees heard from was a student once
And we'll be here year-round to support you and your optics journey.
A wee bit late, but happy lasers day!
#LightDay2025
#LightDay2025
May 16, 2025 at 10:49 PM
A wee bit late, but happy lasers day!
#LightDay2025
#LightDay2025
Break time is over!
With fresh perspectives from their #LightDay2025 session, the Optica students at Paderborn let us know that they're eager to inspire new students to enter the quantum field and expand the optics community at Paderborn!
With fresh perspectives from their #LightDay2025 session, the Optica students at Paderborn let us know that they're eager to inspire new students to enter the quantum field and expand the optics community at Paderborn!
May 16, 2025 at 8:15 PM
Break time is over!
With fresh perspectives from their #LightDay2025 session, the Optica students at Paderborn let us know that they're eager to inspire new students to enter the quantum field and expand the optics community at Paderborn!
With fresh perspectives from their #LightDay2025 session, the Optica students at Paderborn let us know that they're eager to inspire new students to enter the quantum field and expand the optics community at Paderborn!
#LightDay2025 is far from over.
And the International Year of Quantum is far, FAR from over - that's why the University of Bristol Optica students are celebrating how critical quantum tech and science are for sensing, metrology, communications, and more.
And the International Year of Quantum is far, FAR from over - that's why the University of Bristol Optica students are celebrating how critical quantum tech and science are for sensing, metrology, communications, and more.
May 16, 2025 at 6:45 PM
#LightDay2025 is far from over.
And the International Year of Quantum is far, FAR from over - that's why the University of Bristol Optica students are celebrating how critical quantum tech and science are for sensing, metrology, communications, and more.
And the International Year of Quantum is far, FAR from over - that's why the University of Bristol Optica students are celebrating how critical quantum tech and science are for sensing, metrology, communications, and more.
Can you call it a watch party without pizza?
Take a look at how the Vrije Universiteit Brussel celebrated #LightDay2025 with a party exploring the latest advancements in quantum optics!
Take a look at how the Vrije Universiteit Brussel celebrated #LightDay2025 with a party exploring the latest advancements in quantum optics!
May 16, 2025 at 6:00 PM
Can you call it a watch party without pizza?
Take a look at how the Vrije Universiteit Brussel celebrated #LightDay2025 with a party exploring the latest advancements in quantum optics!
Take a look at how the Vrije Universiteit Brussel celebrated #LightDay2025 with a party exploring the latest advancements in quantum optics!
We're not done yet!
The Multimedia University of Kenya Optica Student Chapter held engaging lectures, interactive sessions, and informal presentations highlighting key takeaways from the watch party.
How has your #LightDay2025 been?
The Multimedia University of Kenya Optica Student Chapter held engaging lectures, interactive sessions, and informal presentations highlighting key takeaways from the watch party.
How has your #LightDay2025 been?
May 16, 2025 at 5:15 PM
We're not done yet!
The Multimedia University of Kenya Optica Student Chapter held engaging lectures, interactive sessions, and informal presentations highlighting key takeaways from the watch party.
How has your #LightDay2025 been?
The Multimedia University of Kenya Optica Student Chapter held engaging lectures, interactive sessions, and informal presentations highlighting key takeaways from the watch party.
How has your #LightDay2025 been?
Happy International Day of Light to the global #optics and #photonics community! 🎉
📸 The 2025 #SPIE IDL photo contest is open. Submit your photos demonstrating the impact of light for a chance to win cash prizes! spie.org/community-s...
@idlofficial.bsky.social #lightday2025
📸 The 2025 #SPIE IDL photo contest is open. Submit your photos demonstrating the impact of light for a chance to win cash prizes! spie.org/community-s...
@idlofficial.bsky.social #lightday2025
May 16, 2025 at 4:14 PM
Happy International Day of Light to the global #optics and #photonics community! 🎉
📸 The 2025 #SPIE IDL photo contest is open. Submit your photos demonstrating the impact of light for a chance to win cash prizes! spie.org/community-s...
@idlofficial.bsky.social #lightday2025
📸 The 2025 #SPIE IDL photo contest is open. Submit your photos demonstrating the impact of light for a chance to win cash prizes! spie.org/community-s...
@idlofficial.bsky.social #lightday2025
Happy International Day of Light💡
NSF–DOE Rubin Observatory will #CaptureTheCosmos in a range of wavelengths of light like...
🌈Visible: the colors we see
🕶️Ultraviolet: high-energy light invisible to our eyes
🔥Infrared: low-energy light that's also invisible
#lightday2025 🔭🧪
NSF–DOE Rubin Observatory will #CaptureTheCosmos in a range of wavelengths of light like...
🌈Visible: the colors we see
🕶️Ultraviolet: high-energy light invisible to our eyes
🔥Infrared: low-energy light that's also invisible
#lightday2025 🔭🧪
May 16, 2025 at 4:03 PM
Happy International Day of Light💡
NSF–DOE Rubin Observatory will #CaptureTheCosmos in a range of wavelengths of light like...
🌈Visible: the colors we see
🕶️Ultraviolet: high-energy light invisible to our eyes
🔥Infrared: low-energy light that's also invisible
#lightday2025 🔭🧪
NSF–DOE Rubin Observatory will #CaptureTheCosmos in a range of wavelengths of light like...
🌈Visible: the colors we see
🕶️Ultraviolet: high-energy light invisible to our eyes
🔥Infrared: low-energy light that's also invisible
#lightday2025 🔭🧪
Thanks a lot, @optica.org ! Honored to be part of #LightDay2025 – the journey’s just beginning! 🌟
May 16, 2025 at 3:54 PM
Thanks a lot, @optica.org ! Honored to be part of #LightDay2025 – the journey’s just beginning! 🌟
A big shout-out to the incredible students at @radiantminds.bsky.social! RAU kicked off their celebration of #LightDay2025 in style, but they're just getting started. 😎
There’s more to look forward to at the upcoming IDL Radiant Minds session on 17 May!
There’s more to look forward to at the upcoming IDL Radiant Minds session on 17 May!
May 16, 2025 at 3:45 PM
A big shout-out to the incredible students at @radiantminds.bsky.social! RAU kicked off their celebration of #LightDay2025 in style, but they're just getting started. 😎
There’s more to look forward to at the upcoming IDL Radiant Minds session on 17 May!
There’s more to look forward to at the upcoming IDL Radiant Minds session on 17 May!
🧵1/3 #Light is the strongest #zeitgeber for the #circadian system. Circadian #sleep -wake disruptions & chronic circadian misalignment, as often observed in #psychiatric & #neurodegenerative illness, can be treated with #lighttherapy. #LightDay2025✨
🎉 Hello World 🌎🌍🌏
Today marks the 8th edition of the
@unesco.org #lightday2025 celebrating the profound impact of light science, innovation and technology in society. How will you celebrate the brilliance of light today? Tag us on socials. #lightday2025✨
lightday.org
Today marks the 8th edition of the
@unesco.org #lightday2025 celebrating the profound impact of light science, innovation and technology in society. How will you celebrate the brilliance of light today? Tag us on socials. #lightday2025✨
lightday.org
May 16, 2025 at 3:28 PM
🧵1/3 #Light is the strongest #zeitgeber for the #circadian system. Circadian #sleep -wake disruptions & chronic circadian misalignment, as often observed in #psychiatric & #neurodegenerative illness, can be treated with #lighttherapy. #LightDay2025✨
The NorthCap University chapter hosted optics expert R.P. Tandon for their #LightDay2025 party!
Tandon shared key insights into the International Day of Light and its connection with the beginning of modern photonics - the first successful operation of the laser by Theodore Maiman on 16 May 1960.
Tandon shared key insights into the International Day of Light and its connection with the beginning of modern photonics - the first successful operation of the laser by Theodore Maiman on 16 May 1960.
May 16, 2025 at 3:00 PM
The NorthCap University chapter hosted optics expert R.P. Tandon for their #LightDay2025 party!
Tandon shared key insights into the International Day of Light and its connection with the beginning of modern photonics - the first successful operation of the laser by Theodore Maiman on 16 May 1960.
Tandon shared key insights into the International Day of Light and its connection with the beginning of modern photonics - the first successful operation of the laser by Theodore Maiman on 16 May 1960.
We're just warming up. 😌
Shout out to the students at the IIT Patna Optica Student Chapter for hosting an amazing IQ LightFest 2025 for #LightDay2025! 👏
Shout out to the students at the IIT Patna Optica Student Chapter for hosting an amazing IQ LightFest 2025 for #LightDay2025! 👏
May 16, 2025 at 2:15 PM
We're just warming up. 😌
Shout out to the students at the IIT Patna Optica Student Chapter for hosting an amazing IQ LightFest 2025 for #LightDay2025! 👏
Shout out to the students at the IIT Patna Optica Student Chapter for hosting an amazing IQ LightFest 2025 for #LightDay2025! 👏