Myth busting

Invention Myths vs Facts

Invention stories are often simplified into one genius and one magic moment. Here is what the history actually shows.

An early Edison incandescent lamp and socket

An early Edison lamp: AnonymousUnknown author, Public domain

Partly true

Myth: Edison invented the light bulb

Many inventors made electric lights. Edison's team made a long-lasting bulb and a full power system, while Joseph Swan made carbon filament lamps in England at the same time.

Unproven

Myth: Potato chips were invented to annoy a customer

The Saratoga story appeared long after the fact; recipes for fried potato shavings existed decades earlier.

False

Myth: Pencils contain lead

Pencil cores are graphite mixed with clay. The name comes from graphite once being called black lead.

Disputed

Myth: QWERTY was designed to slow typists down

It likely aimed to reduce jams by separating common letter pairs, not to slow people down. Historians still debate the details.

False

Myth: Shake a Polaroid to develop it faster

Modern integral film develops on its own; shaking does not help and can smudge it.

False

Myth: The zipper was invented in one go

It took decades, from Judson's 1893 clasp locker to Sundback's 1917 design and a 1923 name.

False

Myth: Post-it Notes were planned

The glue was a failed strong adhesive that waited years for a use.

Disputed

Myth: One person invented the ice cream cone at the 1904 fair

Several vendors claimed it; a cone mould was patented in 1903 and edible cornets appear in an 1888 cookbook.

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Sources

Facts on this page were checked against these sources (updated Oct 12, 2026). Spot an error? Email hello@fireempireshop.com.

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