New 4D-STEM method isolates atomic structures from clustered nanocrystals

Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a new way to determine atomic structures from nanocrystals previously considered unusable, ...
IEEE

Sequential Inversion for Helicopter Time-Domain Electromagnetics Based on a Regularized Extended Kalman Filtering

Abstract: The helicopter time-domain electromagnetic method (HTEM) has been widely applied in challenging geological terrains, particularly in large-scale mineral exploration, underground water ...
IEEE

Nonlinear Optimal Midcourse Guidance Using Sequential Pseudospectral Model Predictive Control

Abstract: A sequential pseudospectral model predictive control (SPMPC) method is proposed for nonlinear optimal midcourse guidance with a general performance index. First, the optimal midcourse ...
Center for American Progress

10 Policy Recommendations To Address Cellphone Use in Schools

10 Policy Recommendations To Address Cellphone Use in Schools As school leaders raise concerns about student cellphone use in schools, policymakers can look to domestic and international examples to ...