Skip to main content

Daily Tidbits

An alien joke, an alien poem, a scientist spotlight, and a number-theory fact — fresh every day.

Sep 30, 2026

🛸 Daily joke

The alien scout was disappointed by the Earth's revolving restaurants. He expected much more movement from the planetary orbit.

📜 Daily poem

The Awakening Hum

A shudder through the titanium hull, Deep vibrations stir the stasis lull. From silent frost to a rhythmic roar, As plasma currents begin to soar. The heart of the ship starts to beat once more.

🔭 Scientist spotlight

Robert Goddard 1882–1935 · Aerospace Engineering and Rocketry

Robert Goddard was an American physicist and engineer who is widely considered the father of modern rocketry. He conducted the first successful flight of a liquid-fueled rocket in 1926, proving that such technology could work in Earth's atmosphere. His pioneering research into multistage rockets and gyroscopic control laid the essential groundwork for the future of space exploration.

🔢 Number theory fact

The Unrepeatable Factors

An integer is considered square-free if no prime number appears more than once in its prime factorization. This means it cannot be divided by any perfect square greater than one, such as 4, 9, or 16. These numbers are the 'purest' building blocks, containing only single layers of prime ingredients.