... Solar flare activity is produced by the processes of accumulation and release of energy in an active region. ... In the framework of study of solar active regions, producing powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp drop in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ...

... Over the 2.5 kernel development series, the USB driver api has changed a lot. As LWN has graciously allowed me to write a kernel article this week, and I know a bit about the USB kernel code, I thought I would discuss a short summary of the major changes that have happened with it for anyone wanting to port a 2.4 USB driver to 2.5. ... The biggest change in the USB api between the 2.4 and 2.5 kernels is much improved documentation. ... Changes to the USB driver API for the 2.5 series kernel . ...