These rays were made of negatively charged particles around 2,000 times lighter than the hydrogen atom, the smallest thing they knew.
The case for curiosity-driven research | Suzie Sheehy
How native speakers pronounce “hydrogen”
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These rays were made of negatively charged particles around 2,000 times lighter than the hydrogen atom, the smallest thing they knew.
The case for curiosity-driven research | Suzie Sheehy