Today's Google doodle an ATD homage, so to speak

[Mark Kohut]

for Heinrich Rudolf Hertz

    1. How Heinrich Rudolf Hertz revealed the invisible world 

Christian Science Monitor‎ - 8 hours ago
Heinrich Rudolf Hertz, the man behind today's Google doodle, found what eyes could not see. Today would have been Heinrich Hertz's 155th birthday.99 related articles
    2. HEINRICH HERTZ GOOGLE DOODLE: 'Wavy Doodle' proves a ...

Washington Post (blog)
 
electromagnetism......that key them pf Part the Second