E-news archive
Our archived e-newsletters can be read by clicking on the links below, which will open a new browser window.
Our archived e-newsletters can be read by clicking on the links below, which will open a new browser window.
In WW I Germany built the longest-range gun ever. Its 100kg projectile travelled 122km, and left the muzzle at 1500 metres per second and reached a height of around 40km. About 6 times faster and higher than an average transatlantic passenger jet.