Results 61 to 70 of about 736 (212)

Sleep and Dreams as Reflected by Science Fiction Literature and Films—Anything to Learn From?

Journal of Sleep Research, Volume 34, Issue 5, October 2025.
ABSTRACT Sleep and dreams are frequent themes in science fiction (Sci‐Fi) literature and films, often used to explore questions about consciousness, reality, technology and the human experience. Sci‐Fi authors and filmmakers utilise the enigmatic nature of sleep and dreams to blur the boundaries between reality and imagination, raising philosophical ...
Dieter Riemann, Christoph Nissen, Pierre A. Geoffroy, Bernd Feige, Jason Ellis   +4 more
wiley   +1 more source

Simulating Radio Variability Using Tracers of the Interstellar Medium [PDF]

, 2021
This thesis examines the simulation and modelling of interstellar scintillation at low radio frequencies. We improve upon an existing scattering model which allows us to predict the magnitude of variability due to interstellar scintillation. We then test
Charlton, Elliott George
core  

Interstellar Scintillation Monitoring of the RadioAstron Blazars [PDF]

Proceedings of 14th European VLBI Network Symposium & Users Meeting — PoS(EVN2018), 2019
The RadioAstron space radio telescope provides a unique opportunity to study the extreme brightness temperatures ($\mathrm{T_B }$) in AGNs with unprecedented long baselines of up to 28 Earth diameters. Since interstellar scintillation (ISS) may affect the visibilities observed with space VLBI (sVLBI), a complementary ground based flux density ...
Liu, J., Krichbaum, T., Bignall, H., Liu, X., Kraus, A., Kovalev, Y., Sokolovsky, K., Cimò, G., Zensus, J.   +8 more
openaire   +3 more sources

Latitudinal Dependence of the Solar Wind During Periods of High and Low Activity Through Interplanetary Scintillation

Space Weather, Volume 23, Issue 7, July 2025.
Abstract We present a study of the solar wind over different periods of the solar cycle, specifically focusing on the minimum between solar cycles 24 and 25, and the active, ascending phase of solar cycle 25. With the use of interplanetary scintillation (IPS) data taken by the Murchison Widefield Array (MWA) from mid‐2019 and early 2023, we have ...
A. Waszewski, J. S. Morgan, R. Ekers, M. Johnston‐Hollitt, M. C. M. Cheung, N. D. R. Bhat, R. Chhetri, S. C. Fu   +7 more
wiley   +1 more source

Two-component model for the interstellar scattering in direction to the Vela pulsar [PDF]

, 2005
This paper discusses a rigorous treatment of the refractive scintillation of pulsar PSR B0833-45 caused by a two-component interstellar scattering medium.
Zhou, AZ, A. Esamdin, A. Z. Zhou, X. J. Wu, Wu, XJ, Esamdin, A   +5 more
core   +1 more source

Probing the Interstellar Medium from Scintillation of the Swooshing Pulsar B0919+06

The Astrophysical Journal
Radio observations of pulsars offer a potential method to probe the intricate microstructure in the turbulent interstellar medium. Here we report on a high-resolution dynamic spectral analysis of the “swooshing pulsar” B0919+06 observed with the Five ...
Z. Wang, Z. G. Wen, J. P. Yuan, N. Wang, Z. Wang, J. L. Chen, H. G. Wang, W. Han, H. Wang, X. F. Duan, C. B. Lyu, J. P. Wang, Z. W. Wu   +12 more
doaj   +1 more source

Study on the UV FEL single‐shot damage threshold of an Au thin film

Journal of Synchrotron Radiation, Volume 31, Issue 5, Page 1010-1018, September 2024.
Single‐shot damage of an 200 nm‐thick Au thin film is experimentally studied with a UV FEL of 121.6 nm wavelength and 2 ps pulse length. The characterized, as well as visually observed, phenomena are analyzed with multiple theoretical approaches.The damage threshold of an Au‐coated flat mirror, one of the reflective optics installed on the FEL‐2 ...
Meiyi Wu, Qinming Li, Mingchang Wang, Qinghao Zhu, Jiandong Cai, Zhongmin Xu, Hao Zhou, Long Huang, Bingbing Zhang, Runze Qi, Zhe Zhang, Wenbin Li, Yinpeng Zhong, Weiqing Zhang   +13 more
wiley   +1 more source

Associations between Scattering Screens and Interstellar Medium Filaments

The Astrophysical Journal
Pulsar scintillation can be used to measure small-scale structure in the Galaxy, but little is known about the specific interstellar medium (ISM) features that cause scintillation.
Ashley M. Stock, Marten H. van Kerkwijk
doaj   +1 more source

Observations of High Definition Symmetric Quasi‐Periodic Scintillations in the Mid‐Latitude Ionosphere With LOFAR

Journal of Geophysical Research: Space Physics, Volume 129, Issue 7, July 2024.
Abstract We present broadband ionospheric scintillation observations of highly defined symmetric quasi‐periodic scintillations (QPS: Maruyama, 1991, https://doi.org/10.1029/91rs00357) caused by plasma structures in the mid‐latitude ionosphere using the LOw Frequency ARray (LOFAR: van Haarlem et al., 2013, https://doi.org/10.1051/0004‐6361/201220873 ...
H. Trigg, G. Dorrian, B. Boyde, A. Wood, R. A. Fallows, M. Mevius   +5 more
wiley   +1 more source

Precision Determination of Scintillation Screen Parameters from Annual Modulation Measurement of Pulsar Scintillation Arc Curvature with the FAST Telescope

The Astrophysical Journal
Pulsar scintillation observations have revealed ubiquitous discrete scintillation screens in the interstellar medium. A major obstacle in identifying the nature of these screens is the uncertainty in their distances, which prevents precise correlation ...
Yuanshang Huang, Xun Shi, Jumei Yao, Weiwei Zhu, Yonghua Xu   +4 more
doaj   +1 more source