Guidance for the Sparrow required that the launching aircraft use its radar to continuously illuminate a single target for the missile's " passive " seeker to track, or guidance would be lost.

When hunting small animals such as mice, they slowly stalk through the grass, and use their acute sense of smell to track down the prey.

A partial obstruction of the route near this point has necessitated the use of interlaced track.

For instance, a common use of a database system is to track information about users, their name, login information, various addresses and phone numbers.

Reports of Freenet's use in authoritarian nations is difficult to track due to the very nature of Freenet's goals.

A data-centric approach can use either a stack or a queue to keep track of seed pixels that need to be checked.

The use of Wiki software can allow gamemasters to easily keep track of notes and characters that appear during play, as well as character sheets and other useful tools for the players.

Through the use of flags defined in the IMAP4 protocol, clients can keep track of message state: for example, whether or not the message has been read, replied to, or deleted.

Dawn, the first NASA operational ( i. e., non-technology demonstration ) mission to use an ion drive for its primary propulsion, is currently on track to explore and orbit the large main-belt asteroids 1 Ceres and 4 Vesta.

The use of ephemeral addresses makes it difficult to accurately track a user's Internet activity by scanning activity streams for a single IPv6 address.

The Japanese-made Uni-Vibe, designed to simulate the modulation effects of the rotating Leslie speaker, provided a rich phasing sound with a speed control pedal, and is heard on the Band of Gypsys track " Machine Gun ", which highlights use of the Uni-Vibe, Octavia and Fuzz Face.

Sharman Networks responded with a lawsuit against the RIAA, alleging that the terms of use of the network were violated and that unauthorized client software ( such as Kazaa Lite, see below ) was used in the investigation to track down the individual file sharers.

CD + G players use a special track called subcode to encode the lyrics and pictures displayed on the screen while other formats natively display both audio and video.

The longer and more famous Circuit de la Sarthe is composed partly of public roads, which are closed to the public when the track is in use for racing, and has been host to the famous 24 Hours of Le Mans sports car race since 1923.

pioneered the use of electrocapillary forces to move droplets on a digital track.

In live versions of the track, which lasted over ten minutes, he made use of diverse FX technologies of the time to narrate a sonic story using his keyboards.

In 2007, the Advertising agency TBWA decided to use Moğollar's late 1960s track, Garip Çoban ( translated-Lonesome Shepherd ; written by Murat Ses ) in the This is Living advertisement campaign for Sony's PlayStation 3.

They are intended for universal use, and include such information as note values, timing and track names.

There was no Japanese audio track included, apparently because Yoshiyuki Tomino felt that the original mono mix was in too poor of a condition to use.

* 2004 Beginning upgrading Yangon – Mandaly track with the use of the Automatic Levelling, Lining and Tamping Machine ( first phase Yangon – Payagyi 91. 2 km and Mandalay-Tatkon 211 km, second phase Payagyi-Tatkon 313. 6 km ), construction of the Concrete Sleeper Factory at Pyundaza

Other systems such as Märklin instead used fine metal studs to replace the central rail, allowing existing three-rail models to use more realistic track.

Three-rail systems often insulate one of the common rails on a section of track, and use a passing train to complete the circuit and activate an accessory.

Even when placing isolated rails not connected to any other lines, track layers usually choose a standard rail gauge so they can use off-the-shelf rolling stock.

Modern cleanrooms use automated, robotic wafer track systems to coordinate the process.

In addition, Porsche installed manually adjustable lightweight Recaro racing seats rather than the standard power-operated leather buckets ( also manufactured by Recaro ), a revised suspension system optimized and lowered by 20 mm for possible track use, 17-inch wheels ( also slightly wider to accommodate wider tyres ) rather than the 16-inch as found on the Coupe and wider tires, 225 front and 255 rears rather than 205 and 245 respectively.

Toads, salamanders and caecilians also use smell to detect prey.

Their distinguishing feature is cnidocytes, specialized cells that they use mainly for capturing prey.

Besides hearing and vision, at least one species, the tucuxi or Guiana dolphin, is able to use electroreception to sense prey.

Its stocks were affected by the indiscriminate use of organochlorines and other pesticides in the mid-20th century, but being something of an r-strategist able to multiply quickly under good conditions it was less affected than other birds of prey.

To catch prey that is out of reach, the Komodo dragon may stand on its hind legs and use its tail as a support.

* Nonesuch: A carnivorous species with telepathic abilities, that they primarily use for hunting prey and, most probably, for communication.

On the other hand, while Flaherty made his Inuit actors use spears instead of guns during the walrus and seal hunts, the prey shown in the film were genuine, wild animals.

Many animal species use paralysing toxins to capture prey, evade predation, or both.

In a desperate bid to preserve humanity and ease population burdens on Earth, the UN has initiated a " draft " for colonizing the nearby planets, where conditions are so horrific and primitive that the unwilling colonists have fallen prey to a form of escapism involving the use of an illegal drug ( CAN-D ) in concert with " layouts ".

A few birds may use quadrupedal movement in some circumstances, for example the shoebill will sometimes use its wings to right itself after lunging at prey.

The large pincers are studded with highly sensitive tactile hairs, and the moment an insect touches these, they use their chelae ( pincers ) to catch the prey.

All known scorpion species possess venom and use it primarily to kill or paralyze their prey so that it can be eaten ; in general, it is fast-acting, allowing for effective prey capture.

Another method, primarily used in hunting gazelles, involved the use of a hawk to gouge out the eyes of the prey, so that a Saluki can then bring down the blinded animal.

Most species are nonvenomous and those that have venom use it primarily to kill and subdue prey rather than for self-defense.

Many of the highly aquatic species, however, have no muscles in the tongue, and do not use it for capturing prey, while most other species have a mobile tongue, but without the adaptations to the hyoid bone.

To find their prey, salamanders use trichromatic color vision extending into the ultraviolet range, based on three photoreceptor types that are maximally sensitive around 450 nm, 500 nm and 570 nm.

* are human-sized four-legged insectoid creatures who use their powerful legs to leap upon and attack prey.

Bats use a variety of ultrasonic ranging ( echolocation ) techniques to detect their prey.

It is well known that toothed whales ( Odontocetes ), including dolphins can hear ultrasound and use ultrasonic sounds in their navigational system ( biosonar ) to orient and capture prey.

The distinctive claw, on the second digit of dromaeosaurids, has traditionally been depicted as a slashing weapon ; its assumed use being to cut and disembowel prey.

Because they are tasked to defend their hives and food stores, bees synthesize and employ an acidic venom ( apitoxin ) to cause pain in those that they sting, whereas wasps use a chemically different venom designed to paralyze prey, so it can be stored alive in the food chambers of their young.

The reptiles most known to use venom are snakes, some species of which inject venom into their prey via fangs.