the.com/spark
the tiny rebellion that becomes a fire if you ignore it long enough
means A small fiery particle thrown off by burning or friction, or by extension the small flash of energy, feeling, or inspiration that sets something larger in motion.
from From Old English 'spearca,' a small glowing particle thrown from fire — a word with cousins across the old Germanic tongues. The literal ember came first; only later did English let it leap into the figurative, so a clever person might be a 'bright spark' and romance could 'spark' between strangers, the metaphor borrowed straight from the way one stray ember can catch and grow.
- voltage
- A single static shock can hit 25,000 volts
- engine duty
- Spark plugs fire dozens of times per second
- origin myth
- Lightning likely sparked Earth's first life chemistry
- temperature
- Welding sparks burn hotter than molten lava