“Dense Loop Flares,” by Jingnan Guo and Gordon Emslie. Direct electron mapping teaches us about the structure of electron acceleration in flares. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets