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View article: The calorie reduction programme has led to minimal nutrient changes in foods in the UK: using myfood24 food composition data
The calorie reduction programme has led to minimal nutrient changes in foods in the UK: using myfood24 food composition data Open
Reformulation of food products is part of the calorie reduction programme, proposed by the UK Government in the report ‘Childhood obesity: A Plan for Action’. The food industry was challenged to reduce calories in products by 20% in 2025. …
View article: Ocean circulation, sea ice, and productivity simulated in Jones Sound, Canadian Arctic Archipelago, between 2003–2016
Ocean circulation, sea ice, and productivity simulated in Jones Sound, Canadian Arctic Archipelago, between 2003–2016 Open
Jones Sound is one of three critical waterways that regulate liquid exchange between the Arctic and northern Atlantic Oceans within the Canadian Arctic Archipelago. However, to date, no high-resolution ocean circulation model exists to stu…
View article: Breaking Down the Barriers: Investigating Non-Expert User Experiences in Robotic Teleoperation in UK and Japan
Breaking Down the Barriers: Investigating Non-Expert User Experiences in Robotic Teleoperation in UK and Japan Open
Robots are being created each year with the goal of integrating them into our daily lives. As such, there is an interest in research in evaluating the trust of humans toward robots. In addition, teleoperating robotic arms can be challengin…
View article: Hawking radiation inside a rotating black hole
Hawking radiation inside a rotating black hole Open
In semiclassical gravity, the vacuum expectation value ${\langle\hat{N}\rangle}$ of the particle number operator for a quantum field gives rise to the perception of thermal radiation in the vicinity of a black hole. This Hawking effect has…
View article: TELESIM: A Modular and Plug-and-Play Framework for Robotic Arm Teleoperation using a Digital Twin
TELESIM: A Modular and Plug-and-Play Framework for Robotic Arm Teleoperation using a Digital Twin Open
We present TELESIM, a modular and plug-and-play framework for direct teleoperation of a robotic arm using a digital twin as the interface between the user and the robotic system. We tested TELESIM by performing a user survey with 37 partic…
View article: Six Bits
Six Bits Open
The spinors of the group Spin($N$) of rotations in $N$ spacetime dimensions are indexed by a bitcode with [$N$/2] bits. A well-known promising grand unified group that contains the standard-model group is Spin(10). Fermions in the standard…
View article: Unification of the four forces in the Spin(11,1) geometric algebra
Unification of the four forces in the Spin(11,1) geometric algebra Open
SO(10), or equivalently its covering group Spin(10), is a well-known promising grand unified group that contains the standard-model group. The spinors of the group Spin( N ) of rotations in N spacetime dimensions are indexed by a bitcode w…
View article: Exploring the variability of freshwater inputs from tidewater glacier-ocean systems in the Canadian Arctic Archipelago
Exploring the variability of freshwater inputs from tidewater glacier-ocean systems in the Canadian Arctic Archipelago Open
Tidewater glaciers, numerous in the Canadian Arctic Archipelago (CAA), are an important and dynamic source of freshwater to the Arctic freshwater system, with glacial inputs modifying ocean structure, stimulating vertical mixing, enhancing…
View article: Community-based monitoring to understand changing tidewater glacier-ocean interactions in the Canadian Arctic Archipelago
Community-based monitoring to understand changing tidewater glacier-ocean interactions in the Canadian Arctic Archipelago Open
Tidewater glaciers are defining coastal features in Canadian high Arctic marine systems. Rapid Arctic climate warming is dramatically altering the nature of these coastlines and adjacent waters through changing atmospheric forcing, a lengt…
View article: Hawking radiation inside a charged black hole
Hawking radiation inside a charged black hole Open
Here we analyze the Hawking radiation detected by an inertial observer in an arbitrary position in a Reissner-Nordström spacetime, with special emphasis on the asymptotic behavior of the Hawking spectrum as an observer approaches the inner…
View article: The Supergeometric Algebra
The Supergeometric Algebra Open
Spinors are central to physics: all matter (fermions) is made of spinors, and all forces arise from symmetries of spinors. It is common to consider the geometric (Clifford) algebra as the fundamental edifice from which spinors emerge. This…
View article: Wave equations in conformally separable, accreting, rotating black holes
Wave equations in conformally separable, accreting, rotating black holes Open
The Teukolsky wave equations governing fields of spin 0, $\tfrac{1}{2}$, 1, $\tfrac{3}{2}$, and 2 are generalized to the case of conformally separable solutions for accreting, rotating black holes.
View article: A Systematic Comparison of Simulation Software for Robotic Arm Manipulation using ROS2
A Systematic Comparison of Simulation Software for Robotic Arm Manipulation using ROS2 Open
Simulation software is a powerful tool for robotics research, allowing the virtual representation of the real world. However with the rise of the Robot Operating System (ROS), there are new simulation software packages that have not been c…
View article: VaultDB: A Real-World Pilot of Secure Multi-Party Computation within a Clinical Research Network
VaultDB: A Real-World Pilot of Secure Multi-Party Computation within a Clinical Research Network Open
Electronic health records represent a rich and growing source of clinical data for research. Privacy, regulatory, and institutional concerns limit the speed and ease of sharing this data. VaultDB is a framework for securely computing SQL q…
View article: Geometry near the inner horizon of a rotating, accreting black hole
Geometry near the inner horizon of a rotating, accreting black hole Open
Here we present a novel classical model to describe the near-inner horizon\ngeometry of a rotating, accreting black hole. The model assumes spacetime is\nhomogeneous and is sourced by radial streams of a collisionless, null fluid,\nand it …
View article: MBARI WEC 2021 deployment
MBARI WEC 2021 deployment Open
This dataset includes data from the Monterey Bay Aquarium Research Institute (MBARI) wave energy converter (WEC) and a nearby located Sofar Spotter buoy. The Monterey Bay Aquarium Research Institute has developed and deployed a small two-b…
View article: Building an institutional author search tool
Building an institutional author search tool Open
Frequently academic departments want to know how many publications their faculty and researchers have published over a particular period of time. At the Oregon Health Science University (OHSU) these questions were traditionally handled by …
View article: Inside astronomically realistic black holes
Inside astronomically realistic black holes Open
The singularity of a spherical (Schwarzschild) black hole is a surface, not a point. A freely-falling, non-rotating observer sees Hawking radiation with energy density diverging with radius as $ρ\propto r^{-6}$ near the Schwarzschild singu…
View article: Tissue Scaffolds with Nanoscale Hybrid Coating Shining New Lights on Multi-Modal Bone Targeted Therapeutics
Tissue Scaffolds with Nanoscale Hybrid Coating Shining New Lights on Multi-Modal Bone Targeted Therapeutics Open
The challenging post-surgery management of bone metastasis sees the needs for multi-functional bone scaffolds that offer multi-modal therapeutic functions. Through a nature-inspired layer-by-layer assembly process, we developed a unique mu…
View article: Tissue Scaffolds with Nanoscale Hybrid Coating Shining New Lights on Multi-Modal Bone Targeted Therapeutics
Tissue Scaffolds with Nanoscale Hybrid Coating Shining New Lights on Multi-Modal Bone Targeted Therapeutics Open
The challenging post-surgery management of bone metastasis sees the needs for multi-functional bone scaffolds that offer multi-modal therapeutic functions. Through a nature-inspired layer-by-layer assembly process, we developed a unique mu…
View article: Covariant Hamiltonian tetrad approach to numerical relativity
Covariant Hamiltonian tetrad approach to numerical relativity Open
A Hamiltonian approach to the equations of general relativity is proposed\nusing the powerful mathematical language of multivector-valued differential\nforms. In the approach, the gravitational coordinates are the 12 spatial\ncomponents of…
View article: Mass inflation followed by Belinskii-Khalatnikov-Lifshitz collapse inside accreting, rotating black holes
Mass inflation followed by Belinskii-Khalatnikov-Lifshitz collapse inside accreting, rotating black holes Open
Numerical evidence is presented that the Poisson-Israel mass inflation instability at the inner horizon of an accreting, rotating black hole is generically followed by Belinskii-Khalatnikov-Lifshitz oscillatory collapse to a spacelike sing…
View article: A model for intergalactic filaments and galaxy formation during the first gigayear
A model for intergalactic filaments and galaxy formation during the first gigayear Open
We propose a physically based, analytic model for intergalactic filaments\nduring the first gigayear of the universe. The structure of a filament is based\nupon a gravitationally bound, isothermal cylinder of gas. The model\nsuccessfully p…
View article: A Gas Centric Model For Intergalactic Filament Development During the First Gigayear
A Gas Centric Model For Intergalactic Filament Development During the First Gigayear Open
Using a cosmological simulation of the first gigayear of the universe, we find that the mass per unit length of reionizing intergalactic filaments is proportional to the square of the sound speed with a proportionality constant equal to th…
View article: ANA - A framework for building ATHENA on ARM
ANA - A framework for building ATHENA on ARM Open
The ATLAS software framework (ATHENA) is large and dynamic, comprised of around 6.5 million lines of code. It is compiled using the ATLAS monitoring system, NICOS which uses tools and scripts located and tuned for the CERN services, LXPLUS…
View article: Massive affordable computing using ARM processors in high energy physics
Massive affordable computing using ARM processors in high energy physics Open
High Performance Computing is relevant in many applications around the world, particularly high energy physics. Experiments such as ATLAS, CMS, ALICE and LHCb generate huge amounts of data which need to be stored and analyzed at server far…