Play with research. We turn research papers into interactive experiences: visual explanations, simulations, and experiments you can try. For curious readers. For researchers with something to share. Explore → https://ipaper.aihttps://bsky.app/profile/ipaper-ai.bsky.socialhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myokqs46nc2tHeat the long arm: the transmission peak moves to longer wavelengths. Heat the short arm: it moves the other way. https://doi.org/10.1364/OE.596214 Vatandoust et al. (2026). Conceptual iPaper.ai diagram of the measured cascaded response.25 Oct 2026 06:18 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myokqs46nc2thttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myoh3ignvk2qOne printed splitter, two different results at 1330 and 1550 nm. Move the wavelength slider to compare. https://ipaper.ai/papers/3d-printed-waveguides-based-on-photonic-crystal-fiber-designs-for-complex-fiber-end-photonic-devices--be8808ae-b309-4e38-b0df-6dda47651868 Bertoncini & Liberale (2020 preprint). Edited iPaper.ai browser states; the spots are illustrative.25 Oct 2026 05:12 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myoh3ignvk2qhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myodexjqck2mMore pump light brings more photon pairs, and more accidental matches. Try the power slider. https://ipaper.ai/papers/high-performance-photon-pair-source-using-a-two-photon-polymerized-strip-loaded-lithium-niobate-waveguide--80f4bad1-c5eb-4fdc-ac63-2e19f0d729f6 Sewidan et al. (2026). iPaper.ai teaching curves, not measured points.25 Oct 2026 04:06 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myodexjqck2mhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myoa72rhpc2fTilt the laser from 15° to 40° and watch the beam direction shift. https://ipaper.ai/papers/coherent-control-of-relativistic-electron-dynamics-in-plasma-nanophotonics--37e0ffe9-d7be-481d-bc73-a9b9122b44f5 Dulat et al. (2025). iPaper.ai grating-rule illustration, not a PIC simulation.25 Oct 2026 03:09 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myoa72rhpc2fhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myo4tpj7m22wMoving a port changes how the feedback phase advances across resonances. Follow the red path in panel e: it hops between locked branches. https://www.nature.com/articles/s41566-026-01985-1 Reichler et al. (2026), Fig. 1. Schematic, browser capture. CC BY 4.0: https://creativecommons.org/licenses/by/4.0/25 Oct 2026 02:09 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myo4tpj7m22whttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myo2a4bs422aReshape the path and let the surrounding cells settle. https://ipaper.ai/papers/freeform-light-routing-in-nearly-hyperuniform-slabs-toward-a-general-purpose-design-platform-for-integrated-photonics--15bf82d5-c884-46b4-b906-de0f34cb6838 Amoah et al. (2026). iPaper.ai geometry lab. No optical transmission is calculated.25 Oct 2026 00:22 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myo2a4bs422ahttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mynw2rmtg22jRank the prints by light absorbed, then by voltage per watt. https://ipaper.ai/papers/tailoring-thermal-mass-for-enhanced-infrared-response-in-sb-bi-te-based-printed-thermocouples--d1377643-1215-4b0a-9326-536c5e70ed38 Bose et al. (2026). iPaper.ai screenshot comparison; ≈ values from figures.25 Oct 2026 00:07 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mynw2rmtg22jhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mynstwq7gs2wChange the laser detuning, and the same silicon nanobeam switches between hardening and softening. ir.amolf.nl/pub/11345 Slim & Verhagen (2026). iPaper.ai teaching curves, not measured sweeps.24 Oct 2026 23:10 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mynstwq7gs2whttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mynplxe52s2tEncoding two photons per logical qubit makes extra detector patterns identifiable. arxiv.org/abs/2609.10698 Kumar, Reiß, van Loock and Barz (2026). The measured 70.8% is for post-selected, corrected four-photon data.24 Oct 2026 22:12 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mynplxe52s2thttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mynly4ov222pSort the arrivals by phase. The blurred edge becomes a narrow band. https://ipaper.ai/papers/nanosecond-nanometer-movies-of-mems-nems-dynamics-in-a-standard-sem-using-time-tagged-secondary-electrons--eceaef7b-e89a-47dd-8a0e-479ed22eae98 Rehmann et al. (2026). iPaper.ai synthetic example.24 Oct 2026 21:07 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mynly4ov222phttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myniyvoej22iSwap the mirror. Watch the field trace change. https://ipaper.ai/papers/broadband-reflective-terahertz-quarter-wave-metasurface-enabled-by-two-photon-polymerization-3d-printing--2d943543-a9fe-4833-9f6c-447e96224bdf Chaudhary et al. (2026). iPaper.ai, digitized spectra.24 Oct 2026 20:14 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myniyvoej22ihttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mynfczbow22jLook along the field to reveal the split. https://ipaper.ai/papers/zeeman-splitting-observations-in-laser-produced-magnetized-blast-waves--1c618870-0ec2-449d-a0dc-95fba5d483c2 Triantafyllidis et al. (2025). iPaper.ai teaching model.24 Oct 2026 19:08 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mynfczbow22jhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mync7q57cs2mTip the magnets. Split the energies. https://ipaper.ai/papers/pyrochlore-artificial-spin-ice-advances-in-fabrication-and-characterization-of-a-3d-magnetic-metamaterial--12da47c7-1e3a-4690-90cf-9fc622bb4760 Berchialla, van den Berg et al. (2026). iPaper.ai point-dipole model.24 Oct 2026 18:12 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mync7q57cs2mhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myn7dt4yik2eMove the mixing dial into the island. Every echo pattern then shrinks. https://ipaper.ai/papers/accelerated-born-series-for-high-frequency-strong-scattering-by-weakly-non-radial-media--a68379be-a26c-4898-b7f7-2b9fdfbdf63a Karamehmedović & Triki, arXiv (2026). iPaper.ai 64×64 browser model.24 Oct 2026 17:21 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myn7dt4yik2ehttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myn5tk5i222zFrom our founder, Andrea Bertoncini. A co-authored optics paper, now interactive. https://ipaper.ai/papers/paper--bd84bf36-b846-4262-b004-5a84f9b43e1d Reddy, Bertoncini & Liberale, Optica (2022). iPaper.ai analytical model. Normalized brightness.24 Oct 2026 16:54 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myn5tk5i222zhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3myn3wmt2o223Raise the field. Find the temperature plateau. https://ipaper.ai/papers/direct-observation-of-saturated-heat-flux-inhibition-by-magnetic-fields-in-laser-produced-plasmas--890f672e-a37d-4e3b-9274-b23115dcc99c Triantafyllidis et al. (2026). iPaper.ai teaching model.24 Oct 2026 16:20 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3myn3wmt2o223https://bsky.app/profile/ipaper-ai.bsky.social/post/3mymy7dmaik2lMove the cut until the polarisations split. https://ipaper.ai/papers/3d-printed-waveguides-based-on-photonic-crystal-fiber-designs-for-complex-fiber-end-photonic-devices--be8808ae-b309-4e38-b0df-6dda47651868 Bertoncini & Liberale (2020). iPaper.ai ideal model, edited UI states.24 Oct 2026 15:13 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymy7dmaik2lhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymuldrmi22jAdd a second light pulse. Move it around the ring and watch the comb change. https://ipaper.ai/papers/millimetre-wave-comb-generated-by-an-optical-microcomb--ea1a7023-edcb-4242-a7b5-7f3f213cd5de iPaper.ai illustration of Peters et al. (2026). Not measured spectra.24 Oct 2026 14:08 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymuldrmi22jhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymrxc5noc2nFill one hole. Light gathers in the solid core. Try the iPaper.ai scalar model. Bertoncini & Liberale (2020). https://ipaper.ai/papers/3d-printed-waveguides-based-on-photonic-crystal-fiber-designs-for-complex-fiber-end-photonic-devices--be8808ae-b309-4e38-b0df-6dda4765186824 Oct 2026 13:21 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymrxc5noc2nhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymodrc2r22rThe sources stay put. Switch them from in step to out of step and the quiet lines shift. Try the timing control: ipaper.ai Two paused views of iPaper.ai's illustrative wave model.24 Oct 2026 12:17 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymodrc2r22rhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymkwqa6uc2eChange the beam order. A bright center becomes a dark one. Try the iPaper.ai beam lab. Reddy, Bertoncini & Liberale, Optica (2022). Analytical model, normalized brightness. https://ipaper.ai/papers/paper--bd84bf36-b846-4262-b004-5a84f9b43e1d?utm_source=bluesky&utm_campaign=bessel102424 Oct 2026 11:16 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymkwqa6uc2ehttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymhiznsqc2cTap ELI5 for plain words. Then switch Empty to Live and watch D2 in the iPaper.ai illustration. Pereira Pinto et al., Braz. J. Phys. (2023). Simulated photons, ideal probabilities. https://ipaper.ai/papers/paper--7d27e652-3d87-4797-9a65-822758fadc56?utm_source=bluesky&utm_campaign=eli5102424 Oct 2026 10:14 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymhiznsqc2chttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymfisgtrc2oCan a lake survive on a planet with permanent day and night? Explore the iPaper.ai illustration. Williams et al., arXiv preprint (2026). Creation flow: sped-up mock-up. https://ipaper.ai/papers/paper--b976be1f-7d22-4445-9719-135e465057a7?utm_source=bluesky&utm_campaign=planet102424 Oct 2026 09:38 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymfisgtrc2ohttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mymdgyddjc24A trace of surfactant, ~20× the first droplet's volume, at the paper's critical conditions. Try the illustrative iPaper.ai replay. Rodríguez-Aparicio et al., JFM (2026). https://ipaper.ai/papers/paper--53d031de-3ed0-4a4c-9daa-f559b3828921?utm_source=bluesky&utm_campaign=bubble102424 Oct 2026 09:02 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mymdgyddjc24https://bsky.app/profile/ipaper-ai.bsky.social/post/3mykxphnbzs2jExplore this paper: https://ipaper.ai/papers/paper--422d5d1e-2847-49f6-bac3-b28597aedb62?lang=en&utm_source=bluesky&utm_medium=social&utm_campaign=paper_sharing Made interactive with iPaper.ai.23 Oct 2026 19:59 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mykxphnbzs2jhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3mygzkg23ds2fCan sound hold a bead in mid-air? Try the illustrative TinyLev model. Marzo, Barnes & Drinkwater (2017). https://ipaper.ai/papers/tinylev-a-multi-emitter-single-axis-acoustic-levitator--af6963ce-130d-4349-b1d1-e9525b9a740a?utm_source=bluesky&utm_campaign=vertical102222 Oct 2026 06:21 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3mygzkg23ds2fhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3my7hy7n7zs27Can sound lift a drop of water? Change the timing in our new TinyLev experience. Marzo, Barnes & Drinkwater, Rev. Sci. Instrum. (2017). Illustrative model. https://ipaper.ai/papers/tinylev-a-multi-emitter-single-axis-acoustic-levitator--af6963ce-130d-4349-b1d1-e9525b9a740a19 Oct 2026 06:18 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3my7hy7n7zs27https://bsky.app/profile/ipaper-ai.bsky.social/post/3my2o5w7mxk2wChange a spin. Swap a block. See what happens. Two iPaper.ai experiences: cilia (Liu et al., Nature) and STARTER (Paul et al., Lab on a Chip). Illustrative models. Cilia: https://ipaper.ai/papers/3d-printed-low-voltage-driven-ciliary-hydrogel-microactuators--6ea8e729-b199-486d-adfa-f8d021a5a140 STARTER: https://ipaper.ai/papers/starter-a-stand-alone-reconfigurable-and-translational-organ-on-chip-platform-based-on-modularity-and-open-design-principles--02a07e5f-93d0-4d5a-a1e3-aaf89e8aeaa217 Oct 2026 08:25 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3my2o5w7mxk2whttps://bsky.app/profile/ipaper-ai.bsky.social/post/3my2o3anlrk2uSame pumps. Same chips. Swap one routing block: a different fluid circuit. Explore STARTER with iPaper.ai. Research: Paul et al., Lab on a Chip (2026). Illustrative model. https://ipaper.ai/papers/starter-a-stand-alone-reconfigurable-and-translational-organ-on-chip-platform-based-on-modularity-and-open-design-principles--02a07e5f-93d0-4d5a-a1e3-aaf89e8aeaa217 Oct 2026 08:24 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3my2o3anlrk2uhttps://bsky.app/profile/ipaper-ai.bsky.social/post/3my2nysair22dCan tiny gel hairs steer water? Change their spin in this iPaper.ai experience. Research: Liu et al., Nature (2026). Simplified teaching model. https://ipaper.ai/papers/3d-printed-low-voltage-driven-ciliary-hydrogel-microactuators--6ea8e729-b199-486d-adfa-f8d021a5a14017 Oct 2026 08:23 +0000at://did:plc:thmos7klpjh2ooify4b4m7ef/app.bsky.feed.post/3my2nysair22d