History

Interesting Science

Why Are There 7 Days In a Week? EXPLAINED

Today is Monday and every seven days, a Monday arrives. But why every 7 days? It’s Okay To Be Smart explains why.

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Space

Can Nuclear Propulsion Take Us to Mars?

Real Engineering ponders the future of nuclear powered propulsion systems to get us to Mars a lot faster than the current technology in use in today’s space programs.

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Data Visualization Interesting

Evolution of the Alphabet

UsefulCharts explores the evolution of writing and the Latin alphabet.

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Covid Pandemic Mobile Science

The Truth About 5G

Real Engineering gets into the technology behind 5G and why it does not cause cancer or COVID-19.

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Interesting

The 1890 US Census and the History of Punchcard Computing

2020 is a census year and we take fast, actionable data analytics for granted. It wasn’t always easy or fast until the advent of a punchcards brought about by a competition. YouTube channel standupmaths explains.

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Interesting Science

The Insane Engineering of the SR-71 Blackbird

Real Engineering takes a closer look at the SR-71’s amazing engineering.

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Current Events Science

A Guide To Designing Low-Cost Ventilators for COVID-19

Real Engineering  examines what it takes to build low cost ventilators to deal with the COVID-19 crisis.

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Science

The Material Science of Metal 3D Printing

Real Engineering examines the material science of 3D printing metal and why this is a big deal.

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