Editing Karl Ferdinand Braun (section)

=== Antennas ===
Braun also focused on early problems in directional radio—the alignment of transmitting and receiving antennas. He was among the first to achieve directed radiation and optimized antenna performance through calculations.<ref>{{ANNO|emb|||1914|781|Funkentelegraphie und -telephonie. Über den Ersatz offener Strombahnen durch geschlossene in der drahtlosen Telegraphie|NAME=Elektrotechnik und Maschinenbau|anno-plus=ja}}</ref><ref>{{ANNO|emb|04|00|1915|149|Funkentelegraphie und -telephonie. Zur Berechnung von Antennen|NAME=Elektrotechnik und Maschinenbau|anno-plus=ja}}</ref>

Braun's Electroscope
Braun is also credited with the invention of the pointer electroscope, which was named after him.<ref>Sven H. Pfleger: ''Aus dem Physiksaal: Grundlagen und Experimente der klassischen Schulphysik'', p. 172. Partially available online at Google Books</ref>