
Introduction
The phenomenon of “frozen light” – literally stopping or slowing photons – sounds like science fiction, yet modern experiments have achieved just that. Intriguingly, recent visualizations of this breakthrough (such as a golden, cross- shaped burst of light) bear a striking resemblance to the ancient Sun Cross, a symbol found in sun-worshiping cultures across the world.
This investigation explores the visual parallels between cutting-edge photonics and prehistoric symbolism, examining how a cross of light in the lab mirrors the Sun Cross motif in spiritual traditions. We compare their visual forms, delve into their symbolic meanings, and consider cultural interpretations – bridging modern science and ancient spirituality.
Frozen Light in Modern Science
Featured image: A scientific visualization of “frozen light,” showing a golden, cross-shaped burst of light in a laboratory setting (a recent experiment achieved a supersolid state of light, essentially freezing photons in place hindustantimes.com). The light forms a radiant cross or star-like shape, with bright beams extending along perpendicular axes. In physics, “frozen light refers to the ability to stop or slow down a beam of light dramatically, effectively holding it in place. This was first demonstrated in 1999 when Lene Hau and her team slowed a light beam to 38 mph using an ultra-cold atom cloud, and by 2001 they even brought light to a complete halt and restarted it.
More recently, in 2025, Italian researchers “froze” light in a new way: by creating a supersolid form of light. In this state, photons behave like a solid crystal while still flowing without friction, combining properties of solid and liquid states. As one report describes, scientists “successfully ‘frozen’ light, demonstrating that it can behave as a supersolid,” a milestone in quantum physics. Visually, how does one imagine stopped light? In lab experiments, the trapped light might be confined in special materials or Bose-Einstein condensates, often invisible to the naked eye. To communicate the concept, scientists and artists use striking imagery: for example, the golden starburst symbolically represents light held in suspension. The image shows a brilliant central glow with cross-shaped rays emanating outward, almost like a small sun captured in a lattice. This cross-like pattern is not accidental – it conveys the idea of light’s wave spreading in orthogonal directions, and it evokes the symmetry of the underlying physics (the light’s standing wave or interference pattern can form orthogonal nodes). Thus, the scientific visualization of frozen light ends up looking like a radiant cross of energy – a shape deeply familiar in spiritual iconography.
From a symbolic standpoint, the achievement of frozen light blurs the line between energy and matter. It is as if modern science has managed to “capture a piece of the sun” in a controlled setting. Photons, normally racing at 300,000 km/s, can be parked momentarily – an almost metaphysical feat that challenges our notions of the immutable speed of light. Some commentators note that this ability to hold light still “marks a significant milestone” in understanding nature.
Metaphorically, one could say that by freezing light, we hold time or illumination in our hands – themes that resonate with the timeless quest for knowledge (light has long symbolized enlightenment). It’s fascinating then that the chosen visual representation is a cross of light – almost suggesting a union of scientific and spiritual imagery. To the scientific mind, the cross-shape simply illustrates two perpendicular light waves or the crystallographic axes of a photonic lattice. But to the cultural eye, a shining cross of light immediately brings to mind ancient symbols of the sun and stars, hinting that perhaps our intuition for symbol-making runs deeper than we think.
The Ancient Sun Cross Symbol

Figure 2: A traditional Sun Cross symbol (a simple equilateral cross within a circle).
This solar emblem dates back to the Neolithic and Bronze Age, appearing in prehistoric rock art and artifacts. The four arms point to the cardinal directions or the solstice/equinox points, and
the encompassing circle represents the sun or the cycle of the year. Long before modern science, ancient peoples “captured” the sun in a different way: through symbols. One of the oldest and most widespread is the Sun Cross (also known as the solar cross or wheel cross), which consists of an equilateral cross inside a circle. Visually, it’s a very straightforward design – a plus-shaped cross (+) imposed on a circle – yet it carried profound meaning. This emblem appears in cultures across Europe, Asia, and even the Americas, often in the context of sun cults or sky worship. In European prehistory (Neolithic to Bronze Age), the sun cross was carved into rock surfaces and molded into jewelry or ritual objects, signifying solar deities and cosmic order. For instance, in Bronze Age Scandinavia, the sun cross frequently appears in petroglyphs: a famous example is the rock carving at Madsebakke (Bornholm, Denmark), which shows a large circle with a cross and surrounding dots (cup marks) believed to represent offerings or stars. This carving – essentially a sun wheel – is interpreted as a solar symbol representing the movement of the sun or the cycle of seasons. In other words, the four arms of the cross could indicate the two solstices and two equinoxes, while the circle is the annual orbit of the sun through the sky (the year). Many other sites in Sweden and Norway reveal similar wheel cross-carvings, underscoring how universal this image was in Nordic sun worship.
Beyond Europe, variations of the sun cross appear in numerous traditions. In ancient Egypt, a very similar shape (☉ with a cross) was used not for the sun god directly (the usual sun symbol was a disk with rays or the scarab), but interestingly as the hieroglyph for a “village” or “town”. Some speculate this could represent a fortified settlement (crossroads within a circular wall), yet it’s intriguing that the sign for a human community is the same as the universal symbol for the sun – perhaps reflecting the idea of the sun as the center of the community’s life. In pre-Christian Europe, the sun cross persisted into Iron Age and Roman times as a sacred sign. It’s found on Celtic and Germanic artifacts, sometimes called Odin’s Cross in Norse contexts. In Norse mythology, the sun (Sol) was envisioned as riding a chariot across the sky (the famous Trundholm Sun Chariot artifact features a sun disc that may have a cross-like pattern). Indeed, 19th-century scholars noted that the Sun Cross can be seen as the wheel of the sun’s chariot. In many languages, the sun was poetically described as a wheel. This carries over to the Celtic Cross of early medieval Ireland and Britain: many of those ornate stone crosses have a circle around the intersection, a design likely inspired by the older pagan sun-wheel motif. It’s said that Saint Patrick and other missionaries adopted the sun circle into the Christian cross to help convert sun worshippers – effectively merging the symbols of the Sun and the Son. Whether apocryphal or not, the Celtic cross certainly looks like a Christianized sun cross, symbolizing Christ’s cross united with the circle of eternity or the sun (the sustainer of life).
In early Christian and Byzantine art, the halo or nimbus behind holy figures is a circular light that sometimes bears a cross within – essentially a sun cross halo. A prime example is the Coptic Cross used by Egyptian Christians, which often has four equal arms and is sometimes enclosed by a circle or expanded with loops, reminiscent of the sun cross (the Coptic tradition being an Egyptian continuation of early Christian symbolism). Thus, even in explicitly Christian contexts, the visual of a cross radiating within a circle persisted, linking the divine light of the heavens with the Cross of Christ.
The Sun Cross’s meaning in ancient cultures almost always ties to solar concepts: life, light, and the passage of time. The sun was the giver of life and warmth; its yearly cycle determined seasons and harvests. By inscribing a cross (possibly representing the four seasons or cardinal directions) into a circle (the solar disk or yearly cycle), ancient people created a cosmic diagram of the world. Many scholars interpret the sun cross as a cosmogram – a depiction of the universe with the sun at the center. It also became associated with wheel imagery (hence “sun wheel”), signifying the turning of time. Notably, the same circled cross symbol was later used by astronomers as the sign for planet Earth (🜨), perhaps because Earth from a cosmic view is the “world” defined by the four directions and the encompassing circle of the horizon. In alchemical and occult symbolism, the sun cross (as the Earth symbol) can represent the fusion of spirit (circle) and matter (cross). Unfortunately, in recent history, variants of the sun cross were misappropriated by Nazi and extremist groups– but these distortions are a far cry from the symbol’s original sacred context as a benign emblem of the sun and life.
Visual Parallels Between Frozen Light and the Sun Cross
At first glance, it might seem coincidental that a lab photo of “frozen” light forms a cross, and that an ancient sun symbol is also a cross. But the visual parallel is compelling: a brilliant cross of radiance in both instances. The scientific image shows what looks like a luminous cross or star, with a bright core and four elongated rays. This immediately calls to mind a shining sunburst or the Star of Bethlehem iconography – essentially a cross-shaped star. Likewise, the Sun Cross is often drawn with rays or flames around it in artistic depictions, emphasizing that it represents a star (the Sun) shining in all directions. Many Bronze Age rock carvings of sun crosses actually include additional radial spokes or surround the cross with dots of light (as in Madsebakke), suggesting a glowing appearance. So, in a sense, both the modern image and the ancient symbol portray light radiating in a balanced, cross-like pattern. Why a cross shape specifically? In the case of the frozen light experiment, the cross form can be related to the physics: the light may have been arranged in standing wave patterns along two perpendicular axes, creating an interference pattern with four lobes. When photons in a cavity form a supersolid, they might organize into a grid – the simplest grid is two-dimensional, with vertical and horizontal symmetry. The result, when made visible, could look like a cross or lattice of light. Another down-to-earth reason is that cameras capturing a very bright point source often produce lens flares in a cross shape (due to the aperture blades), so an intense burst will naturally appear as a star/cross. In other words, when you “freeze” a bright light, you get a cross – literally as an optical artifact. In the case of the Sun Cross symbol, the cross within the circle also has a practical geometric origin: it’s an easy way to divide a circle into four equal parts (a very common act in ancient astronomy for marking solstices, directions, etc.). But humans could have chosen any number of divisions – the fact that fourfold symmetry became dominant (instead of, say, a three- or five-rayed sun) suggests that the cross shape had special significance, likely tied to the observable cycles of nature (four seasons, four cardinal directions). Four is the structural skeleton of the solar year and the terrestrial space, so the cross naturally imposed itself on the circle of the sun. Visually, both images convey a sense of balance and symmetry. The frozen light’s cross is symmetric across vertical and horizontal axes; the Sun Cross is, by definition, perfectly symmetric as well. This symmetry denotes stability – an interesting common theme. The lab-created frozen light is a stable, stationary configuration of light (very unlike normal light which is always moving). The Sun Cross in spiritual art often symbolizes the stable order of the cosmos (the regulated path of the sun through the four seasons, the orderly structure of creation under the sun). Both the modern cross of light and the ancient sun cross give an impression of stillness in the midst of motion: frozen light is dynamic photons held static; the sun cross is the spinning sun “wheel” halted into a fixed emblem. This paradox – motion turned into still form – is exactly what the sun cross did for ancient people (turning the moving sun into a fixed sign) and what scientists have done with light (trapping a moving light wave into a fixed pattern). In a way, the human desire to freeze the motion of the heavens connects the Bronze Age shaman and the quantum physicist. The shaman carved a sun wheel to symbolically capture the sun’s power; the physicist freezes a beam of light to physically capture the sun’s essence (photons). Both ended up with a cross geometry as the solution.
Symbolic and Cultural Connections
Beyond the visuals, the symbolism surrounding frozen light and the Sun Cross also resonate with each other. Light, especially sunlight, has always been a powerful symbol of divine energy, knowledge, and life. In spiritual traditions, “God is light” and in science, light is the primal energy (the speed limit of the universe, the stuff of which matter can be made via E=mc²). The act of freezing light – holding a ray of sun still – almost sounds like a mythic story of stealing fire from the gods or capturing sunlight in a bottle. Culturally, one could compare it to rituals in sun cults where priests “held” the sun (for example, at solstice ceremonies, attempting to symbolically pause the sun’s course). Today’s scientists don’t claim any mystical intent, of course, but the achievement has inspired almost poetic descriptions in the media. Articles described how this could “revolutionize future applications in quantum computing and optical technologies”, but also implicitly marvel at how we have tamed one of nature’s constants. The cross shape of the frozen light image can symbolically imply the intersection of two realms: light as a wave and light as a solid, or crossing the boundary between the intangible and tangible. In many cultures, the crossroads is where worlds meet– interestingly, here, the cross of light is where energy and matter meet, where wave and particle meet.
In ancient symbolism, the Sun Cross likewise stands at the intersection of the spiritual and the material. The circle often represents the heavens, the sun, or the wholeness of spirit, while the cross (the fourfold division) represents the material world (four elements, four directions, four seasons). Their combination in one glyph can mean the unity of heaven and earth – the sun embodied in the world. In esoteric Christian mysticism, this idea appears in the concept of the Solar Logos. The Solar Logos is essentially the cosmic Christ spirit, often associated with the spiritual sun. As one Gnostic text puts it, “Christ is the Solar Logos,” an eternal divine force, the Word or light of God manifested. This is a profound fusion of the symbol of the Sun (source of light) with the Cross of Christ. In Christian art, this is why Christ is sometimes depicted with a cross in or behind the sun, or with a radiant cross of light at the Transfiguration. The images provided (e.g. a graphic with the phrase “Christ is the Solar Logos & the Hidden Sun”) highlight this fusion: Christ seen as a hidden spiritual sun whose symbol is a cross of light. Early Christians, especially in the Celtic and Coptic regions, could thus reinterpret the pagan sun cross as a representation of Christ – the Light of the world – with the circle as his halo and the cross as his sacrifice. The Hidden Sun concept implies a spiritual sun behind the physical sun, much like frozen light might be seen as hidden light – light that’s present but not moving or shining normally. It’s fascinating that in both domains, we encounter the idea of capturing the essence of light: the scientist does so in a chamber, and the mystic does so in a symbol or in the person of Christ. Another cultural parallel is the notion of control over light. In science, gaining control over light (slowing, storing, and structuring it) is a leap forward for technology – enabling quantum computing, advanced communications, etc. In ancient ritual, gaining control over the sun (even symbolically) was a sign of divine favor or magical power. Kings and priests claimed authority by aligning themselves with the sun’s cycles – for instance, monuments like Stonehenge or Egyptian temples were solar calendars that “controlled” when the sun would rise at specific points. The Sun Cross symbol, worn as an amulet or painted on shields, could be seen as a talisman of solar power – to have it is to carry the sun’s strength and protection. In Norse sagas, the sun-wheel might be invoked for victory or protection (similar to how the cross is used as a protective sign). Fast-forward to today: while scientists aren’t invoking Ra or Odin, they are effectively harnessing light in unprecedented ways. The secular pursuit of knowledge has ironically led to outcomes that echo ancient mystical ambitions – bottling sunlight, attaining a form of immortality for light (since stopping light could be seen as suspending time for it). Finally, the cross shape as a unifying motif reminds us of the deep human affinity for certain fundamental patterns. The cross within a circle is ancient and worldwide – it appears in Native American petroglyphs, Asian steppe art, European megaliths, African ornaments. It’s possible that its recurrence is due to how our eyes and minds perceive the sun: when we squint at the bright sun, we often see streaks of light in a cross shape (an effect of our eye’s diffraction or lens flare). Thus, the sun itself might suggest a cross form to our vision, inspiring the earliest artists to carve what they literally saw. Similarly, when scientists today simulate or photograph extreme light phenomena, the image naturally takes on a star-crossed form. In both cases, the cross of light emerges at the limit of our perception of brightness. This commonality hints that the symbol isn’t arbitrary; it’s rooted in optical reality.
Conclusion
The comparison of frozen light with the Sun Cross reveals a beautiful continuity between our ancient symbolic imagination and modern scientific visualization. What ancient priests represented with a carved cross-in-circle to signify the Sun’s glory and stillness, modern scientists inadvertently mirrored with a cross-shaped “snapshot” of light made still. Both speak to a fundamental human fascination: to capture light – whether for worship or for knowledge. The golden cross burst of the lab and the carved sun cross of the temple differ in context by millennia, yet they converge in form and meaning. Each is a cross manifesting light: one literally light turned into a solid pattern, the other light turned into a sacred sign. This convergence of imagery suggests that science and spirituality, despite their different languages, often rhyme in unexpected ways. The Sun Cross symbol that once aligned mankind with the heavens finds an echo in the cutting-edge experiments that pin down light itself. In both, we see an interplay of illumination and form, energy and order – a reminder that certain symbols are truly timeless, illuminating our path from the primitive sunrise of civilization to the bright dawn of scientific discovery.
Sources
Harvard Gazette – “Researchers now able to stop, restart light”
(Harvard physicist Lene Hau’s experiments slowing and stopping light)
news. harvard.edu
Hindustan Times – “Scientists manage to freeze light, convert it into a solid”
(supersolid light experiment, 2025)
hindustantimes.com
Wikipedia – “Sun cross”
(description of the sun cross symbol and prehistoric examples)
en.wikipedia.org
CelticWebMerchant Blog – “Pagan Symbolism: The Sun Cros”
(on the antiquity and worldwide presence of the symbol)
celticwebmerchant.com
Glorian (Gnostic teachings) – “The Baptism of Jesus — Major Mysteries”
(esoteric interpretation of Christ as Solar Logos, i.e., divine Sun)
glorian.org
