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Thunderbolt

Thunderbolt is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Thunderbolt rather than just read about it. In short: A thunderbolt, or lightning bolt, is a symbolic representation of lightning. It appears variously in history, literature, and in contemporary warnings of (typically high-voltage) electricity.

Thunderbolt — main illustration
Thunderbolt — illustration

Key takeaways

  • Thunderbolt belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Thunderbolt to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Thunderbolt from memory before moving on to harder problems.

Reference excerpt

A thunderbolt, or lightning bolt, is a symbolic representation of lightning. It appears variously in history, literature, and in contemporary warnings of (typically high-voltage) electricity. Thunderbolts may appear naturally among the estimated 8.6 million lightning strikes per day or not: heat lightning is an electrical discharge in the atmosphere without an accompanying sound, and a Tesla coil produces an artificial "lightning"-like electrical discharge with an accompanying clap. The term "thunderbolt" adds the notion of a loud thunderclap accompanying a lightning flash, while the term "lightning bolt" — which refers directly to the electrical discharge — does not. In Indo-European mythology, the thunderbolt was identified with the 'Sky Father'; this association is also found in later Hellenic representations of Zeus and Vedic descriptions of the vajra wielded by the god Indra. It may have been a symbol of cosmic order, as expressed in the fragment from Heraclitus describing "the Thunderbolt that steers the course of all things". In its original usage the word may also have been a description of the consequences of a close approach between two planetary cosmic bodies, as Plato suggested in Timaeus, or, according to Victor Clube, meteors, though this is not currently the case. As a divine manifestation the thunderbolt has been a powerful symbol throughout history, and has appeared in many mythologies. Drawing from this powerful association, the thunderbolt is often found in military symbolism and semiotic representations of electricity.

In history, religion and mythology

Depictions of lightning have appeared throughout history, and religions and mythologies. Often it is the weapon of a sky god and weather god. As such, it is an unsurpassed method of dramatic instantaneous retributive destruction: thunderbolts as divine weapons can be found in many mythologies.

in the Torah, the word for 'arrow', khets חֵץ, is used for the "arrows" of YHWH/Elohim, which are represented as lightnings in Habakuk 3:11, but also as general calamities inflicted on men as divine punishment in Deuteronomy 32:42, Psalm 64:7, Job 6:4, etc. In Christianity, One of its most significant verses is Deuteronomy 6:4, Verses 6:4–5 were also quoted by Jesus in Mark 12:28–34 as the Great Commandment. The Second Coming of Jesus is compared to lightning (Matthew 24: 27, Luke 17: 24). With the establishment of Christianity, it passed into popular belief that lightning is the fire that leaves behind the chariot of the Prophet Elijah as it runs through the sky, while thunder is the rattle of the feet of the horses that drag his chariot. According to another tradition, lightning and thunder are more island-like, as the cannons fired by the Archangel Michael against Satan. In Hittite (and Hurrian) mythology, a triple thunderbolt was one symbol of Teshub (Tarhunt). In Vedic religion (and later Hindu mythology) the god Indra is the god of lightning. His main weapon is the thunderbolt (Vajra). In Greek mythology, the thunderbolt is a weapon given to Zeus by the Cyclopes. Based on this, in Roman mythology, the thunderbolt is a weapon given to Jupiter by the Cyclopes, and is thus one of the emblems of Jupiter, often depicted on Greek and Roman coins and elsewhere as an eagle holding in its claws a thunderbolt which resembles in form a bundle of crossed sticks. In Celtic mythology, Taranis is the god of thunder, in Irish, Tuireann. In Norse mythology, Thor is specifically the god of thunder and lightning, wielding Mjölnir. In Slavic mythology, Perun is the god of the sky, controlling storms, thunder and lightning and wields the Axe of Perun. In Finnish mythology, Ukko is the god of thunder and lightning, wielding Ukonvasara. In Turkish mythology, Bayülgen creates the thunderbolts. In Maya mythology, Huracan is sometimes represented as three thunderbolts. In Guaraní mythology, Tupã is the embodiment of thunder and has power over lightning. In Cherokee mythology, the Ani Hyuntikwalaski ("thunder beings") cause lightning fire in a hollow sycamore tree. In Ojibway mythology, thunder is created by the Thunderbirds (Nimkiig or Binesiiwag), which can be both benevolent and malevolent to human beings. In Igbo mythology, the thunderbolt is the weapon of Amadioha/Amadiora. In Yoruba mythology, the thunderbolt is the weapon of Shango. In Tibetan Buddhism, the Vajra or thunderbolt is symbol of Vajrayana branch. In Paleo-Balkan mythology, Zibelthiurdos (also "Zbelsurdos", "Zibelthurdos"): a god recognized as similar to the Greek Zeus as a wielder of lightning and thunderbolts. In Navajo mythology, the hero twins, Naʼídígishí and Naayééʼ Neizghání, have bows that shoot thunderbolts as arrows. In Chinese mythology, Lei Gong uses thunderbolts as a weapon and his wife, Dian Mu, creates the accompanying lightning flashes with her mirror.

Thunderstones The name "thunderbolt" or "thunderstone" has also been traditionally applied to the fossilised rostra of belemnoids. The origin of these bullet-shaped stones was not understood, and thus a mythological explanation of stones created where a lightning struck has arisen.

In the modern world The thunderbolt or lightning bolt continues into the modern world as a prominent symbol, and term; it has entered modern heraldry and military iconography.

In iconography The thunderbolt is used as an electrical symbol. The thunderbolt is also used as a hazard symbol indicating dangers from electricity. The thunderbolt is the logo of the Los Angeles Chargers of the NFL (originally the San Diego Chargers of the AFL) A thunderbolt is used in the logo of the Australian hard rock band AC/DC. A thunderbolt is used in the logo of the German car manufacturer Opel. The logo of the People's Action Party in Singapore. The thunderbolt used by squatters as their insignia. Numerous fascist organizations such as the Schutzstaffel, the British Union of Fascists, and the Union of Bulgarian National Legions (SBNL) historically used thunderbolts as their symbols.

… excerpt ends here. Continue reading the full article.

Illustrations

Thunderbolt: The high-voltage electricity warning symbol is a contemporary example of thunderbolt iconography
The high-voltage electricity warning symbol is a contemporary example of thunderbolt iconography
Thunderbolt: Zeus' head and thunderbolt on a coin from Epirus, 234 BC.
Zeus' head and thunderbolt on a coin from Epirus, 234 BC.
Thunderbolt: The thunderbolt pattern with an eagle on a coin from Olympia, Greece, 432-c.421 BC.
The thunderbolt pattern with an eagle on a coin from Olympia, Greece, 432-c.421 BC.
Thunderbolt: Zeus' head and thunderbolt on a coin from Capua, Campania, 216-211 BC.
Zeus' head and thunderbolt on a coin from Capua, Campania, 216-211 BC.
Thunderbolt: Ptolemaic coin showing the Eagle of Zeus, holding a thunderbolt
Ptolemaic coin showing the Eagle of Zeus, holding a thunderbolt

Worked examples

Example 1 — a first encounter with Thunderbolt

Start with the simplest possible case. Write down what Thunderbolt claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Thunderbolt before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Thunderbolt ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Thunderbolt

In research
Thunderbolt appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Thunderbolt in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Thunderbolt is common in secondary-school and first-year university syllabi. It links to neighbouring topics Jupiter (god), Lightning, Mythological weapons, so understanding it makes those chapters shorter.
In everyday life
Look for Thunderbolt outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Thunderbolt in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Thunderbolt means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Thunderbolt out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thunderbolt in simple terms?

A thunderbolt, or lightning bolt, is a symbolic representation of lightning. It appears variously in history, literature, and in contemporary warnings of (typically high-voltage) electricity.

Why does Thunderbolt matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Thunderbolt?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Thunderbolt.

Tags

  • Jupiter (god)
  • Lightning
  • Mythological weapons
  • Weapons in Greek mythology
  • Zeus

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