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Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Group shot of various Jefferson Lab employees on Thursday, November 2, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Participants attend the poster session on day four of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Thursday, May 11, 2023. (Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Jefferson Lab Deputy Director for Science David Dean speaks during the opening remarks on day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Polarized helium-3 target development mechanism is seen inside the Experimental Equipment Lab (EEL) during a tour of Jefferson Lab on Thursday, March 2, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Electron Ion Collider Staff Scientist Markus Diefenthaler speaks to the crowd during day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
From left: Cooper Middle School Team 1 Ian Cheng, Jeremy Ku, and Zhirun Liu react while competing in the final round of the 2025 Virginia Regional Middle School Science Bowl Competition held at Jefferson Lab in Newport News, Va., on Saturday, March 1, 2025. (Aileen Devlin | Jefferson Lab)
The Department of Energy’s National Science Bowl® is a nationwide academic competition that tests students’ knowledge in all areas of science and mathematics. Middle and high school student teams are comprised of four students, one alternate, and a teacher who serves as an advisor and coach. Teams face-off in a fast-paced question-and-answer format, being tested on a range of science disciplines including biology, chemistry, Earth science, physics, energy, and math.
This is a block printed portrait of Danish physicist Niels Bohr (1885-1962). One of his most famous contributions to quantum mechanics was the Bohr-Rutherford model of the atom. Bohr is shown in front of the Bohr model of the Hydrogen atom (all the concentric circles are actually at the appropriate spacing, proportional to the n squared, which probably reflects on my sanity in some way). Bohr proposed that the orbits of electrons were somewhat like planetary orbits (though circular, and at specific quantized distances). To explain how orbitting charged electrons didn't lose energy and annihilate spectacularly with the so-called "spiral death" (physicists are big on melodrama, I'm telling you), he stipulated that perhaps they simply weren't allowed anywhere but the specific orbits. They could lower their energy state if excited by falling to a lower orbit, giving off a specific photon of a specific colour related to the difference between energy levels. This also explained how the spectra of gases had distinct, thin, spectral lines. I've illustrated this with the Balmer series - because it is composed of lines which are visible to the eye (H-alpha is red and caused by a jump from the 3rd to 2nd orbit; H-beta is cyan and caused by a jump from the 4th to 2nd orbit; H-gamma is indigo and caused by a jump from the 5th to 2nd orbit; and H-delta is violet and caused by a jump from the 6th to 2nd orbit). I've shown both the quantum jumps (squigelly arrows - squigelly lines are tradition for photons) and by the line spectrum below Bohr.
This is a first edition print (one of eight) on Japanese kozo (mulberry) paper, (12.5" by 17").
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Jefferson Lab Deputy Director for Science David Dean speaks during the opening remarks on day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Jefferson Lab employees work to move a newly finished C100 cryomodule from the SRF Test lab to installing inside the CEBAF accelerator tunnel at Jefferson Lab in Newport News Va., on May 4, 2023. (Aileen Devlin | Jefferson Lab)
Hall C Physicist Liguang Tang poses for a photo in Experimental Hall C at Jefferson Lab Newport News, Va., Feb. 25, 2025. (Lindsay Cunningham | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Thomas Jefferson National Accelerator Facility (Jefferson Lab) provides scientists worldwide the lab’s unique particle accelerator, known as the Continuous Electron Beam Accelerator Facility (CEBAF), to probe the most basic building blocks of matter by conducting research at the frontiers of nuclear physics (NP) and related disciplines.
In addition, the lab capitalizes on its unique technologies and expertise to perform advanced computing and applied research with industry and university partners, and provides programs designed to help educate the next generation in science and technology. Thursday, December 1, 2022. (Photo by Aileen Devlin | Jefferson Lab)
INFO:The sunlit sky appears blue because air scatters short-wavelength light more than longer wavelengths. Since blue light is at the short wavelength end of the visible spectrum, it is more strongly scattered in the atmosphere than long wavelength red light. The result is that the human eye perceives blue when looking toward parts of the sky other than the sun.
Near sunrise and sunset, most of the light we see comes in nearly tangent to the Earth's surface, so that the light's path through the atmosphere is so long that much of the blue and even green light is scattered out, leaving the sun rays and the clouds it illuminates red.
PS:Giving my exams these days and so stressed out!.A reason for the lame title!
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Day one of the Computing in High Energy & Nuclear Physics (CHEP) conference held at the Marriott in downtown Norfolk, Va., on Monday, May 8, 2023. (Aileen Devlin | Jefferson Lab)
Experts in high-performance computing and data management gathered this week for this 26th international conference. The conference provides a unique opportunity for computing experts across Particle and Nuclear Physics to come and learn together from each other and typically attracts over 500 participants from many countries.
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Hall B Physicist Latifa Elouadrhiri, left, chats with Virginia congressional members during a visit to Jefferson Lab in Newport News, Va., on Tuesday, May 2, 2023. (Aileen Devlin | Jefferson Lab)
U.S. Department of Energy Office of Science’s Director Dr. Asmeret Asefaw Berhe, center, poses for a group photos with graduate students, postdocs, and other early career students during her visit to Jefferson Lab in Newport News, Va., on Friday, Mar. 24, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Aileen Devlin | Jefferson Lab)