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Comment Self-propelled, autonomous munitions (Score 1) 892

There are two great perils to ship-based weapons that I could foresee, regardless of ship size: heat dissipation and conservation of momentum. Any energy-based weapons would need to dump a tremendous amount of thermal energy off rather short-order, so your ships might have to drag some sort of radiator array behind them, leaving a sweet juicy target.

If you committed to projectile weapons, you would need to have some sort of recoil dampening mechanism/thrust compensator every time you fired the weapon.

So, ideally, you would have semi-autonomous self-propelled munitions that could be dumped, ala chaff or depth charges, and then directed towards their targets at the appropriate time.

Comment Re:Sucks for Lightsquared (Score 5, Informative) 178

The last time /. discussed this, it was pointed out that the spectrum L^2 was aiming for was intended for low-power satellite signals and was never intended to be used for (relatively) powerful ground stations. They were essentially trying to buy spectrum on-the-cheap and then repurpose it in a way that was virtually guaranteed to interfere with adjacent spectrum. So, while GPS devices could certainly be better-designed, this was more an incident of L^2 trying to abuse the system.

Physics, alas, makes for a harsh mistress.

Comment Re:Unconstitutional to Arrest a Congressman (Score 1) 941

The claim was that he "wasn't detained, just prevented from accessing a 'secure area'". And I'm saying that's a load of crap -- he was prevented from going to the gate area from whence he could board his plane. The definition of "secure area" matters greatly. He wasn't trying to pull rank and view some behind-the-scenes operations of the TSA (as the TSA's phrasing is obviously trying to imply) but rather "gain access" to the "secure area" otherwise known as the airport terminal.

Semantics matter, particularly when the petty bureaucrats use them to try to oppress us all via judicious use of same. That's what I was saying crap, and it's to my discredit that I didn't make that clear.

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