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168 results for “Explosion”
Data from: Explosion-generated infrasound recorded on ground and airborne microbarometers at regional distances
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Explosion-powered eversible tactile displays
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Data from: Verbalizing phylogenomic conflict: representation of node congruence across competing reconstructions of the neoavian explosion
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Evidence that catecholaminergic systems mediate dynamic colour change during explosive breeding events in toads
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The evolution of ectomycorrhizal symbiosis in the Late Cretaceous is a key driver of explosive diversification in Agaricomycetes
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Data from: phenology and environmental determinants of explosive breeding in gliding treefrogs: diel timing of rainfall matters
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Data from: Explosion of goby fish diversity at the Eocene-Oligocene transition
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Phylogenomic discordance in the Eared Seals is best explained by incomplete lineage sorting following explosive radiation in the Southern Hemisphere
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Gold nanochips with molecularly imprinted polymer coating for explosives sensing: Surface-enhanced Raman scattering approach
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Data from: Ice vests extend physiological work time while wearing explosive ordnance disposal protective clothing in hot and humid conditions
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Increased impact sensitivity in ageing high explosives: Analysis of Amatol extracted from explosive remnants of war
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The explosive radiation of the Neotropical Tillandsia subgenus Tillandsia (Bromeliaceae) has been accompanied by pervasive hybridization
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Investigating vegetation responses to underground nuclear explosions at the Nevada National Security Site through integrated analysis
Data was collected to determine response of vegetation to underground explosions that occurred in the late 1980s. All samples were collected from the vicinity of the BARNWELL and DISKO ELM test sites of the Nevada National Security Site. Samples were collected from 2017-2018. Soil chemistry was derived from plant root simulator (PRS) probes manufactured by Western Ag Innovations Inc., in Saskatoon; tree ring samples were collected from increment borers; vegetation transect information was collected in the field using transects and quadrants and species were also collected and photographs taken for identification at a later time; soil bulk density samples were collected with a metal cylinder of known volume, weighted, oven-dried and re-weighted to obtain both the wet and dry weight; hyperspectral reflectance data were collected form the foliage of piñon pine tree species using a hyperspectral camera (FieldSpec 4, Analytical Spectral Devices, Inc (ASD)). More information on sample collection and processing is available in the manuscript that has been accepted for publication: Solander, K.C., Collins, A.D., Swanson, E., Margolis, E.Q., Crawford, B., Miller, E. Chen, M., Lavadie-Bulnes, A., Ryan, M., Borrego, I., Sevanto, S., Schultz-Fellenz, E., 2021, Investigating vegetation responses to underground nuclear explosions through integrated analysis, J. Geophys. Res. Biogeosci. (accepted).
Data from: The ecological and genomic basis of explosive adaptive radiation
<p>Rates of speciation vary tremendously among evolutionary lineages, with our understanding of what fuels the rapid succession of speciation events within young adaptive radiations remaining particularly incomplete. The cichlid fish family provides the most notable example of such variation among extant metazoans. It includes many slowly speciating lineages as well as the several exceptionally large and rapid adaptive radiations. By reconstructing a large phylogeny of all described cichlid species, we show that explosive speciation is solely concentrated in several large yet young lake species flocks. Across the family, speciation rate increases are associated with absence of top predators, and speciation rate decreases are associated with arid climate, but these factors are not nearly sufficient to explain explosive speciation in lake radiations, in particular the Lake Victoria adaptive radiation. Across lake radiations we observe a positive relationship between speciation rate and enrichment with large indel polymorphisms. Assembly of one hundred Victorian cichlid genomes comprising all extant ecological guilds and taxonomic genera reveals this radiation contains exceptional 'genomic potential' - hundreds of ancient haplotypes bearing indel polymorphisms, many of which are strongly associated with specific ecologies and are shared with ecologically similar species from other older lake radiations elsewhere in Africa. Network analysis reveals fundamentally non-treelike evolution through recombining old haplotypes, with origins of ecological guilds concentrated early in the Victoria radiation. Our results suggest that the combination of ecological opportunity, sexual selection and exceptional genomic potential is the key to understanding explosive adaptive radiation.</p>
STL Fast Decompression Experiment Data for "Standing Shock Prevents Propagation of Sparks in Supersonic Explosive Flows"
<p><strong>Background</strong></p> <p>This data is camera images and pressure gauge and RF antenna voltage traces from rapid decompression shots at the STL shock tube facility. </p> <p>This data is used in figures 1, 2, 3, and 4 and corresponds to the STL shots listed in table S1 of the paper "Standing Shock Prevents Propagation of Sparks in Supersonic Explosive Flows".</p> <p>Electric sparks and explosive flows have long been associated with each other. Flowing dust particles originate charge through contact and separate based on inertia, resulting in strong electric fields supporting sparks. These sparks can cause explosions in dusty environments, especially those rich in carbon, such as coal mines and grain elevators. Recent observations of explosive events in nature and decompression experiments indicate that supersonic flows of explosions may alter the electrical discharge process. Shocks may suppress parts of the hierarchy of the discharge phenomena, such as leaders. In our decompression experiments, a shock tube ejects a flow of gas and particles into an expansion chamber. We imaged an illuminated plume from the decompression of a mixture of argon and <100 mg of diamond particles and observe sparks occurring below the sharp boundary of a condensation cloud. We also performed hydrodynamics simulations of the decompression event that provide insight into the conditions supporting the observed behavior. Simulation results agree closely with the experimentally observed Mach disk shock shape and height. This represents direct evidence that the sparks are sculpted by the outflow. The spatial and temporal scale of the sparks transmit an impression of the shock tube flow, a connection that could enable novel instrumentation to diagnose currently inaccessible supersonic granular phenomena.</p> <p><strong>Accessing Data</strong></p> <p>The prefixes of the filenames correspond to the shot dates and approximate times listed in table S1 of the paper. </p> <p>The "_SA4.zip" and "_SA3.zip" files contains tiff images of the SA4 and SA3 camera frames, respectively. The ".cih" file in each zip lists camera settings in plain text.</p> <p>The "OscilloscopeData.zip" contains files with prefixes corresponding to the shot dates and times listed in table and the diagnostic name. Files ending in ".csv" contain raw data and ".pdf" contain plots of the respective data. For pressure data, 1 V = 100 psi.</p>
Data from: Dispensing pollen via catapult: explosive pollen release in mountain laurel (Kalmia latifolia)
The astonishing amount of floral diversity has inspired countless assumptions about the function of diverse forms and their adaptive significance; yet many of these hypothesized functions are untested. We investigated an often-repeated adaptive hypothesis about how an extreme floral form functions. In this study, we conducted four investigations to understand the adaptive function of explosive pollination in Kalmia latifolia, the mountain laurel. We first performed a kinematic analysis of anther movement. Second, we constructed a heat map of pollen trajectories in three-dimensional space. Third, we conducted field observations of pollinators and their behaviors while visiting K. latifolia. Finally, we conducted a pollination experiment to investigate the importance of pollinators for fertilization success. Our results suggest that insect visitation dramatically improves fertilization success and that bees are the primary pollinators that trigger explosive pollen release.
Explosives store, West Woods, Wiltshire
Subterranean explosive store used for post-mediaeval sarsen quarrying Created with Polycam using iPhone 12 Pro Max Source: Objaverse 1.0 / Sketchfab
Weathering of accretionary orogens as a trigger for the Cambrian Explosion
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Raw and preprocessed data on the explosions of crankcases in marine main propulsion engines (1972-2018)
<table> <tbody> <tr> <td>Document title:</td> <td>Raw and preprocessed data on the explosions of crankcases in marine main propulsion engines (1972-2018)</td> </tr> <tr> <td>Author:</td> <td>Leszek Chybowski</td> </tr> <tr> <td>e-mail:</td> <td><a href="mailto:l.chybowski@am.szczecin.pl">l.chybowski@am.szczecin.pl</a></td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td>Affiliation: </td> <td>Maritime University of Szczecin, Szczecin, Poland</td> </tr> <tr> <td>City:</td> <td>Szczecin, Poland</td> </tr> <tr> <td>Year:</td> <td>2022</td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td>Grant:</td> <td>The research was prepared under Grant 1/S/KPBMIM/22 financed by the Ministry of Science and Higher Education of Poland.</td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td>Licence:</td> <td>CC BY-NC 2.0</td> </tr> </tbody> </table>
Fig. 6 in The explosive radiation, intense host-shifts and long-term failure to speciate in the evolutionary history of the feather mite genus Analges (Acariformes: Analgidae) from European passerines
Fig. 6. The co-phylogenetic scenarios revealed by JANE analysis. Thin black lines are the Analges phylogenetic tree, wide grey lines are the bird tree. The legend shows the cost of each event (in parentheses) near every co-phylogenetic event and the number of reconstructed events. A, original analysis with the full set of taxa in multi-host Analges–bird associations.? – after speciation, the ancestral species still exists. B, dated best-cost scenarios of the multi-host associations reduced to a single host species and supplemented by spread events for remaining host species. Clades in multi-host species remained as in the original analysis, i.e. originated by failure to speciate. The circles near Analges species names designate the components of host nests: black circles, fine feathers and/or down in nest material; white circles, no feathers in nest material (after Gotzman & Jablonski, 1972 and Beuch, 2013).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.