Even if you’ve read Fred Bridgland’s ‘Jonas Savimbi – A Key to Africa’ (Mainstream Publishing, 1986), devoured the writings of Michael Wolfers and Jane Bergerol ... He has shed a little more light ...

(Politicsweb, 20 October) In his obituary, Trevor noted the following: "On October 8, 1975 he [Wolfers] met journalist Jane Bergerol in Luanda at a dinner party and they remained close friends and ...

LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...

One promising approach is optical analog computing, a technique that uses light to perform mathematical operations before the image is even captured by a camera. Optical analog computing devices do ...