Low-cost double pendulum for high-quality data collection with open-source video tracking and analysis.

The double pendulum is a system that manifests fascinating non-linear behavior. This made it a popular tool in academic settings for illustrating the intricate response of a seemingly simple physical apparatus, or to validate tools for studying nonlinear phenomena. In addition, the double pendulum is also widely used in several modeling applications including robotics and human locomotion analysis.

[Diagnosis and treatment of deep vein thrombosis in neonates and nurselings].

The authors share herein their experience in diagnosis and treatment of deep vein thrombosis in neonates and nurselings. We examined a total of 132 infants undergoing treatment in an intensive care unit. Of these, 15 infants were diagnosed with various-localization thromboses.