Delivery drones used by logistics companies today are equipped with unshielded
propellers, which represent a major hurdle for in-hand parcel delivery. The exposed …

Nanometer triaminoguanidine nitrate (TAGN) with mean size of 218.7 nm was fabricated,
and its structures were characterized by scanning electron microscopy, X-ray diffraction, IR …

View Video Presentation: https://doi. org/10.2514/6.2023-2694. vid The thermal
decomposition of ammonium perchlorate (AP) mixed with copper additives was studied …

The popularity of delivery drones is constantly increasing due to their ability to deliver
packages more rapidly and economically than current transportation methods …

In this paper we construct a mathematical model of human sleep–wake regulation with
thermoregulation and temperature effects. Simulations of this model show features …