1687: "Can Quantum Tunneling be Observed?"

1688: "A Simple Riddle 15"

Interesting Things with JC #1688: "A Simple Riddle 15" – A simple riddle has a simple answer, but most people still miss it. Can you solve today's riddle?

1687: "Can Quantum Tunneling be Observed?"

Interesting Things with JC #1687: "Can Quantum Tunneling be Observed?" – Electrons pass through barriers they do not have enough energy to cross, and instruments built around that effect can map individual atoms. The same process continues inside radioactive atoms, semiconductor devices, and the Sun, where particles keep appearing beyond barriers that classical physics says should stop them.

1686: "M.C. Escher"

Interesting Things with JC #1686: "M.C. Escher" – An artist fills a page with shapes that fit perfectly together, then turns them into staircases, waterfalls, and worlds that appear correct while mathematically breaking the rules of reality.

1685: "Lisa del Giocondo"

Interesting Things with JC #1685: "Lisa del Giocondo" – Leonardo da Vinci is painting a merchant’s wife when the commission stops behaving like a commission. He keeps the portrait, carries it for years, and Lisa del Giocondo becomes famous while her own life fades.

1684: "Gene Shalit"

Interesting Things with JC #1684: "Gene Shalit" – Gene Shalit spent more than seven decades writing for American audiences, from newspapers and magazines to radio and television. Best known for nearly forty years on NBC's Today, he built a career on curiosity, humor, and a belief that culture should be accessible to everyone.