Unix Epoch & Timestamps Demystified: How Computers Measure Universal Time
What happened on January 1, 1970 UTC, how 32-bit vs 64-bit timestamps work, and preparing for the Year 2038 problem.
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Bytes, Gigabytes & Terabytes: Decimal (1000) vs. Binary (1024) Explained
Why hard drive manufacturers report 1TB but your operating system reports 931GB: the SI vs. IEC binary standard dispute.
Speed & Velocity Conversions: km/h, mph, Knots and Supersonic Mach
A complete overview of nautical knots, highway speeds, aerodynamic Mach numbers, and physics conversion formulas.
Celsius, Fahrenheit, and Kelvin: The Science and Formulas of Temperature
How thermodynamic absolute zero relates to Kelvin, why the Fahrenheit scale was created, and bidirectional conversion formulas.
Weight & Mass Conversions: Kilograms, Pounds, Ounces & Conversion Factors
The physics distinction between mass and weight, standard international definitions, and quick mental math shortcuts.
Metric vs. Imperial Length Conversions: Formulas, Tables & History
Why two measurement systems exist, standard conversion ratios (inches to centimeters, miles to kilometers), and formulas.