1930Phase-Contrast Microscopy Invented

The Phase-contrast microscopy is invented by Frits Zernike.
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1628
1669
1884
1898
1911
1930

🔬 Willebrord Snellius Formulates the Law of Refraction

Willebrord Snellius: the law of refraction also known as Snell's law.
Willebrord Snellius Formulates the Law of Refraction (1628)
PhysicsOpticsScientific RevolutionMathematics
NetherlandsNetherlands

🐛 Swammerdam's Epigenesis Research in Insects

Swammerdam's Epigenesis Research in Insects (1669)
BiologyScientific RevolutionMicroscopy
NetherlandsNetherlands

🧪 Van 't Hoff Publishes 'Études de dynamique chimique'

Jacobus Henricus van 't Hoff: discovered the laws of chemical dynamics and osmotic pressure in solutions (in his work "Études de dynamique chimique").
Van 't Hoff Publishes 'Études de dynamique chimique' (1884)
ChemistryPhysical ChemistryThermodynamicsScientific Publication
NetherlandsNetherlands

🦠 Beijerinck Defines Viruses as Infectious Agents

Martinus Beijerinck: concluded that a virus is infectious—replicating in the host—and thus not a mere toxin, and gave it the name "virus"
Beijerinck Defines Viruses as Infectious Agents (1898)
Infectious DiseasesMicrobiologyGerm TheoryMedical History19th Century Science
NetherlandsNetherlands

⚡ Heike Kamerlingh Onnes Discovers Superconductivity

Heike Kamerlingh Onnes Discovers Superconductivity (1911)
PhysicsDiscoveryScientific BreakthroughMaterial ScienceNobel Prize
NetherlandsNetherlands

🔬 Phase-Contrast Microscopy Invented

Phase-Contrast Microscopy Invented (1930)
MicroscopyOpticsScientific InstrumentsCell Biology
NetherlandsNetherlands