While conceding his fallibility, Musk promised to be "as transparent as possible ... of the Trump administration's efforts to reduce the number of federal employees through layoffs and severance ...

And during the Feb. 5 raid at Denver's Cedar Run Apartments, a "disproportionate" number of Mauritanians were picked up, Piper said.

When putting together graphic designs or editing photos, opaque backgrounds on images can be a hindrance - so knowing how to make the background transparent in Photoshop is a useful trick.

One of the most famous Hollywood stars of all time, the now-88-year-old originally made a name for himself in the 1960s, appearing in films including Butch Cassidy and the Sundance Kid.