Abstract: In underwater multi-sensor systems for bearing-only tracking, propagation delays cause uncertainty in the state transition intervals. These intervals vary even for the same target observed ...
PETERSON SPACE FORCE BASE, Colo. (AP) — Sometimes kids drop the phone after hearing Santa won’t show up if they’re not asleep. Others who call the NORAD Tracks Santa hotline wonder if St. Nick will be ...
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Abstract: In order to improve solar energy collecting, this study investigates the development of an affordable dual-axis sun tracking apparatus. This technological attempts to increase efficiency by ...
Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...
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Discover how to create a functional DIY solar panel using a compact disc, copper foil, aluminum foil, and LEDs in this engaging science experiment. Watch as we assemble the components, connect the ...
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