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The Vespids' technology is based around exotic crystals only found on the bottom of the floating islands of their homeworld, which they manipulate with the ultrasonic sounds manipulated from their wings.{{Fn|2}} At the time of their discovery by the TauT'au, the Vespid had not yet developed spaceflight but did possess weapons of mass destruction that made total wars between nations undesirable.{{Fn|1}}

From the TauT'au, they have gained armor armour and weaponry, and a [[Vespid Communion Helm]] that enables them to more freely communicate with other races (as their own language is extremely complex and for the most part inimitable). Their weapons are a mixture of Tau T'au technology and Vespid resources, which enables them to act as specialist against heavily armored armoured troops (specifically the Space Marines, whom the Tau T'au have always had problems difficulty in fighting against).{{Fn|1}}{{Fn|2}}

The [[Neutron Blaster]]s the Vespid Stingwings carry is are a unique blending of [[TauT'au]] technology and the unstable radioactive crystals that the Vespids mine. The energy harnessed from the crystal allows the weapon to strip atoms off of the target. Due to the Vespids' wings creating different harmonic resonances within the crystal, they are the only creatures able to wield Neutron Weapons effectively.{{Fn|1}}{{Fn|2}} Recently, the Tau T'au have developed a number of newer [[Neutron Weapon]]s such as the [[Neutron Sting]], [[Neutron Rail Rifle]], [[Neutron Grenade Launcher]], and [[Neutron Grenade]].{{Fn|13}}

In terms of their own technology, the closest thing that has so far been recognized recognised is their own wings. It is unclear yet just how their wings are used, whether they are flexible enough to oscillate fast enough or are capable of ejecting fluid or plasma to produce lift, is yet to be ascertained. In either eventuality any case, they are capable of flight and are often deployed onto the battle field from the air, enabling them to join the battle in the most suitable location.{{Fn|2}}