The War Doctor's sonic screwdriver prop was created by modifying a Fourth Doctor's sonic screwdriver replica toy. The War Doctor also used his sonic in tandem with the Tenth and Eleventh's to create a force field wave to repel a Dalek. After crash-landing in Sheffield with no TARDIS, a body that was still cooking, and two alien mysteries to solve, the Doctor realised she was missing something – her sonic screwdriver.

During the third Doctor’s exile on earth he had a larger and more elaborately detailed version, which had a decorated silver handle and black and yellow stripes. For a while, it looked like he really meant it – he even got into the wearable tech trend by creating a pair of sonic sunglasses with similar functions as a replacement. Unlike the sonic screwdriver, it is used as a weapon that can kill as well as artificially age its target, using technology developed by Lazarus Laboratories originally seen in " The Lazarus Experiment". Etsy’s 100% renewable electricity commitment includes the electricity used by the data centres that host Etsy. The sonic screwdriver prop used by the third, fourth, and fifth Doctor on Doctor Who, was itself actually a re-purposed prop from the film Thunderbirds are go.When some parasitic seaweed went on the rampage, the Second Doctor used the sonic to amplify his friend Victoria’s screams, and the laser wave it created saw off the mutant menace. It is also capable of detecting, amplifying and controlling certain energies, sound, signals, frequencies, and waves, allowing the Doctor to intercept a teleporting individual and send them where he chooses, scan and identify matter, send out communications, enhance sounds, signals, and frequencies, and acting as a catalyst or conduit for energies.

In the audio commentary for The Sea Devils (1972), Michael Briant claims to have suggested it as a one-off gadget in 1968. The Pyramid at the End of the World") In his final adventure, the Doctor uses the glasses briefly to examine the Testimony interface, much to the confusion and irritation of the First Doctor (" Twice Upon a Time"). By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. The Time Lord never carries a weapon (“Only idiots carry knives”), instead relying on brain-power, bravery and a lot of luck to get out of tricky situations.It is depicted as being smaller and sleeker than the Doctor's, and he was sufficiently impressed with her design that he attempted to swap screwdrivers with her in The Horns of Nimon (1979–80). Character Options have also released toy versions of the Third, Fourth, Fifth, and Eighth Doctors' Sonic Screwdrivers. Like the TARDIS, it has become one of the icons of the programme, and spin-off media such as The Sarah Jane Adventures and Torchwood have replicated its functions in devices such as the sonic lipstick, sonic blaster, sonic probe, sonic modulator and sonic cane. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions.