, 2017 A view of the NIST stone wall was built using 2,352 stones from 47 US states and 320 from 16 foreign countries. The wall is approximately 12 m long, 4 m high, 0.6 m thick at the bottom, and 0.3 m at the top. The aim of the wall construction was to study
National Institute of Standards and Technology and Technology
core +6 more sources
Monte–Carlo simulation of wall correction factor of graphite cavity ionisation chamber
The Journal of Engineering, 2019 The purpose of this article is to discuss the method of determining the wall correction factor of graphite cavity ionisation chamber. The method is the ‘equal effect wall thickness’ simulation and direct calculation of the wall correction factor of the ...
Bo Wang +4 more
doaj +1 more source
A Machine-Learning Approach for the Exemplar Extraction of mmWave Industrial Wireless Channels
IEEE Open Journal of Instrumentation and Measurement, 2022 Industrial wireless channel modeling is essential for the development of Industrial Internet of Things (IIoT) wireless systems. Moreover, millimeter-wave (mmWave) wireless bands have a high potential to be used for IIoT applications because of their high
Mohamed Kashef +4 more
doaj +1 more source
The nature of the ultrafast magnetic phase transition in nickel revealed by correlating EUV-MOKE and ARPES spectroscopies [PDF]
EPJ Web of Conferences, 2019 By correlating time- and angle-resolved photoemission (Tr-ARPES) and time-resolved transverse- magneto-optical Kerr effect (Tr-TMOKE) measurements, both at extreme ultraviolet (EUV) wavelengths, we uncover the nature of the ultrafast photoinduced ...
Tao Zhensheng +12 more
doaj +1 more source
Super-resolved time–frequency measurements of coupled phonon dynamics in a 2D quantum material
Scientific Reports, 2022 Methods to probe and understand the dynamic response of materials following impulsive excitation are important for many fields, from materials and energy sciences to chemical and neuroscience.
Christian Gentry +14 more
doaj +1 more source
Playing games with multiple access channels
Nature Communications, 2020 Multiple access channels model communication from multiple independent senders to a common receiver. By drawing a connection to the study of classical and quantum correlations using nonlocal games, Leditzky et al.
Felix Leditzky +3 more
doaj +1 more source
Micrometrology in pursuit of quantum radiation standards
Measurement: Sensors, 2021 With the recent redefinition of the SI base units in terms of constants of nature, the race is on to maximize achievable precision by developing primary standards based on quantum metrology, thereby to realize the Quantum SI.
Ryan Fitzgerald +5 more
doaj +1 more source
Implementación hardware del algoritmo Keccak para Hash-3 y comparación con Blake, Grøstl, JH y Skein
Informador Técnico, 2013 Las funciones criptográficas Hash convierten un mensaje de longitud variable en un “resumen del mensaje”, y son usadas para aplicaciones de firma digital, códigos de autenticación de mensajes y otras aplicaciones para seguridad informática.
Melissa Ramírez +3 more
doaj +1 more source
Dual Randomness From Spatial and Temporal Variations in Stochastic Zinc Gallate Nanoclusters for PUF and TRNG Co-Driven Image Generation. [PDF]
Adv Sci (Weinh)A dual‐randomness hardware platform is demonstrated by integrating PUF and TRNG functionalities into mixed‐ZGO nanoclusters. By leveraging spatial and temporal stochasticity, the mixed‐ZGO NCs device enables both unique identification and random signal generation.
Kang S +6 more
europepmc +2 more sources
Symmetry of magnetic correlations in spin-triplet superconductor UTe2
npj Quantum Materials, 2022 The temperature dependence of the low-energy magnetic excitations in the spin-triplet superconductor UTe2 was measured via inelastic neutron scattering in the normal and superconducting states.
Nicholas P. Butch +8 more
doaj +1 more source