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Instead of star wars … — 2 Comments

  1. Laser weapons have long been a military interest. Though with little rather fragile drones, I can see where the utility of lasers could get an immediate boost.

    A guy I worked with briefly had contracts with the Air Force, and he had a very high security clearance. So he never told me much about the actual weaponry. The big thing he & I were looking at is how the laser beam spreads out as it propagates through turbulent air. And air is always turbulent to widely varying degrees. Techniques and devices to measure the turbulence was our focus.

    A basic and not new concept is to use adaptive optics to fire the laser beam, and if you can measure the effects of the turbulence in real time, you can adjust the adaptive mirror to compensate. Astronomers do this to obtain better imagery. Here is a pic of them shooting a laser beam (called a Rayleigh laser guide star) out of an observatory. In this case, the laser is part of the turbulence measurement system.

    https://present5.com/presentation/126a49e495c16678a25b3e8d247db896/image-1.jpg

    https://journals.rcsi.science/2686-7400/article/view/309482

    Another guy I knew, but never worked with, was a hot-shot in the field of free electron lasers. I idea was to eventually put a big one a Navy ship as their primary short and medium range weapon.

  2. Studying the evolution of chariots in ancient warfare provides many interesting parallels to the evolution of tanks in modern warfare in the last century (plus). In both cases it is a constant struggle to balance mobility, armor and firepower.

    The simplest chariot was drawn by one horse and carried one warrior/driver. The charioteer had to both drive the vehicle and wield his weapons (these might include a bow and javelins for attacks at a distance and a lance, sword or ax for hand to hand fighting). To improve mobility the most obvious solution was to add horses. With two, three or four horses having a driver devoted solely to managing them became a more appealing arrangement. The driver drove, the warrior commanded and fought. And with more horses to pull it became tempting to add a warrior(s) to the payload. So a chariot might carry two, three or even four warriors. But adding warriors with armor and weapons to the load the horses had to pull cut down on mobility again. So the most common arrangement for war chariots was usually one unarmored driver, two or three horses and one armored warrior.

    I could ramble on about this topic at considerable length but in the interests of not boring everyone to death I will just add that the name for the current Israeli main battle tank “Merkava” is Hebrew for “chariot”. And its design has been optimized for the protection of the crew since the Israelis give the lives of their soldiers a high priority.

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