This common household item can become enchanted and used for flying.
Broomstick (Broom, Flying Broom)
Also acceptable, Carpet
Tay Zonday of "Chocolate Rain" famously stepped away from the microphone to do this.
Breathe
A routine safety check was the cause that led to this 1986 catastrophic disaster that lingers to this day.
Chernobyl
Architecture, Tapas, Iberian

Spain
This famously repeated tech-support solution solves everything.
"Turn it off and back on"
"Unplug and plug it back in"

Unstoppable forces are often met with this type of shield. (Bonus 100 points available)
Tower Shield
(Bonus: 100 points, Immoveable Object)
The phrase "It's a Trap!" became a widely used reaction meme in the 2000s. It comes from a line spoken by Admiral Ackbar in this Star Wars film.
Return of the Jedi
In the book Frankenstein, the creature’s destructive actions are caused by Victor's specific refusal to grant the creature this request.
To make a companion (partner/mate)
Dragon, Coastal, War

Vietnam
In cybersecurity-themed films, a powerful hacker is often identifiable by this specific article of clothing.
Black hoodie.

This iconic weapon from Final Fantasy 7 known as the Buster Sword, more commonly goes by this name.
Zweihänder
This 2001 Flash animation became notorious for its looping animation of a dancing banana.
Peanut Butter Jelly Time
In 1989 the cause for this invention was to share workplace knowledge about the CERN with researchers.
The Internet
Peninsula, Sauna, Lakes

Finland
In nearly all films involving self-destruct sequences the characters activate a large, clearly labeled physical control, common known as this.
Big Red Button
In the Lord of the Rings, and other fantasy settings, Elves and Druids form ropes from this "stronger than steel" material.
Spider Silk
"All your base are belong to us" comes from this 1989 video game.
Zero Wing
A cow knocking over this object was the supposed cause of the Great Chicago Fire.
A lantern.
Cyclones, Island, Lemurs

Madagascar
In several films and TV shows, this tech trope is often used to describe mistakes in calculations or a way to hide financial crimes.
Rounding errors.
Deadly nightshade, as known as Belladonna, which appears in potions and dark magic in fantasy, is a real, highly toxic plant.
However, in ancient times it was used to achieve this aesthetically pleasing effect on humans.
Pupil dilation
Before "Rickrolling" became the dominant form of musical prank using Rick Astley's "Never Gonna Give You Up," this popular audio meme was used to lure users into a loop of an annoying sound clip.
The Hamster Dance
In fantasy settings, the cause for a magic user to become this mortally feared being is by hiding their soul in a phylactery.
A Lich.
Isolate, Hermit, Dynasty
North Korea
This musical sub-genre of techno is often associated with tech and hacker themed movies and shows.
Acid