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evilcat4000 wrote:Infrared googles should be able to see shrouded Jemhader. But for some reasons the Federation does not use them.

Chris OFarrell wrote:Question. Why is everyone assuming the JM cloaking thing doesn't extend into the Infared spectrum? Tricorders AFAIK (which I think can see into all wavelengths of the EM spectrum) only track Jem'hadar close by the slight visual distortions they give off when moving or when VERY close.

evilcat4000 wrote:

Chris OFarrell wrote:Question. Why is everyone assuming the JM cloaking thing doesn't extend into the Infared spectrum? Tricorders AFAIK (which I think can see into all wavelengths of the EM spectrum) only track Jem'hadar close by the slight visual distortions they give off when moving or when VERY close.

Any object at a temperature above abosolute zero gives off infrared radiation. Since the Jemhaders body temperature is obviously above that infrared sensors should be able to detect them.

Chris OFarrell wrote:Question. Why is everyone assuming the JM cloaking thing doesn't extend into the Infared spectrum? Tricorders AFAIK (which I think can see into all wavelengths of the EM spectrum) only track Jem'hadar close by the slight visual distortions they give off when moving or when VERY close.

Matt Huang wrote:Infrared radiation is still electromagnetic radiation, which the Jem'hadar can distort. The Jem'hadar need only mask enough of his infrared signature to blend in with the background's IR radiation.

Darth Wong wrote:

Matt Huang wrote:Infrared radiation is still electromagnetic radiation, which the Jem'hadar can distort. The Jem'hadar need only mask enough of his infrared signature to blend in with the background's IR radiation.

The laws of thermodynamics dictate that if he does so, he must still emit the same amount of energy in some other frequency band. A sufficiently broadband sensor system should pick it up. And then there's the gamma-quadrant Tosk-detector flashlight I mentioned earlier.

StarTrek.com wrote:Jem'Hadar
Episode: The Jem'Hadar


Planet: name unspecified.

The feared, leathery-skinned storm troopers genetically bred for that task by the Dominion Founders are not motivated by any of the causes of the Alpha Quadrant such as glory, nobility, politics, intrigue or even money — though they do possess a chillingly detached mercenary quality that cannot be bribed.

They are not hive-mind automatons like the Borg but are genetically bred to supreme strength and endurance, kept in line via an addiction to Ketracel-white — an enzymatic nutrient, dispensed with great ritual by each unit's Vorta, in vials which fit into the uniform and feed directly to the neck.

Military ranks are simply denoted as the First being unit leader, followed by the Second, Third, and so on; the First is answerable to the Vorta, who may reward and punish Jem'Hadar in the unit with on-the-spot promotions and demotions.

During the Dominion War a newer line dubbed "Alphans" have appeared, supplanting older Jem'Hadar types such as Gammas in being specifically bred for the Alpha Quadrant opponents while retaining the same physical appearance.

Jem'Hadar use the Dominion quick-shimmer transporter system, including an armband remote control and a personal cloaking device, or "shroud.". Their uniform also includes energy absorbing pads that can defeat a Starfleet Level 3 containment field, and a recessed collar-bone area to hold the Ketracel-white vial.

Only males are bred, gestated in birthing chambers and able to fight within three days of emergence; they mature rapidly, reaching the human equivalent of age 8 or 9 in two weeks. They do not sleep, require no food or drink except the Ketracel-white, enjoy vicious fighting, and exude superiority over all creatures except the Founders.

Shocker wrote:Is the shroud biological or some technological device on the Jem'Hadar?

The Jem’Hadar who fired first is demoted to Sixth and ordered to ‘shroud’ himself, but he can’t (it seems that the lack of White stops Jem’Hadar from shrouding/cloaking). Remata’Klan orders his troops to lay down suppression fire and withdraw.

Major Diarrhia wrote:It says it's a device, so it's probably not a built in ability. I'm not sure if it's made clear in any episode but I have seen several other sights that say the shroud is a natural ability.

Darth Wong wrote:They always could detect the Jem'Hadar on their tricorders, but they never seemed to figure out that enhanced-vision goggles would be really helpful against them. I suspect that Geordi Laforge can probably see Jem'Hadar soldiers unaided.

There's also a gamma-quadrant flashlight of some sort which makes cloaked Tosks visible to the naked eye, and Tosk cloaking seems to be similar to Jem'Hadar cloaking.

JME2 wrote:

Darth Wong wrote:They always could detect the Jem'Hadar on their tricorders, but they never seemed to figure out that enhanced-vision goggles would be really helpful against them. I suspect that Geordi Laforge can probably see Jem'Hadar soldiers unaided.

There's also a gamma-quadrant flashlight of some sort which makes cloaked Tosks visible to the naked eye, and Tosk cloaking seems to be similar to Jem'Hadar cloaking.

Makes sense, especially since the writing team always maintained that the Hunters were a Dominion member (Sort of like 'We'll give you Tosks to hunt and in exchange, you hunt them through unexplored territory and gather information on it for us'), though the oppertunity to shopw them working with the Dominion never presented itself (the closest we could have had was 'To the Death').