PBS Space Time PBS Space Time

Are there Unrevealed Elements Beyond The Periodic Table?

Oct 24, 2026 · 26m

Summary

This episode explores the possibility of new elements beyond the periodic table, tracing the history of artificial element discovery from technetium to the theoretical "island of stability." The hosts explain nuclear stability, magic numbers, and why certain elements like technetium are unstable, while discussing the potential applications of future superheavy elements. The segment concludes with a listener discussion on the "grabby aliens" hypothesis and anthropic reasoning regarding humanity's early emergence in the universe.

Topics discussed

Sephora Holiday Gifting LinkedIn Hiring Pro for Small Business Fictional Elements and the Periodic Table Atomic Numbers and Gaps in Nature Mendeleev's Predictions and Element 43 Discovery of Technetium via Cyclotron Why Technetium is Absent in Nature Radioactivity and Nuclear Instability Isotopes and Carbon-14 Decay Sephora Beauty Advisor Interaction LinkedIn Hiring Pro Candidate Matching McDonald's Sausage McMuffin Deal Carbon-14 Half-Life and Cosmic Rays Shades of Instability and Half-Lives Complexity of Nuclear Dynamics Electromagnetic vs Strong Nuclear Force Short-Range Nature of the Strong Force Role of Neutrons in Nuclear Stability Neutron to Proton Ratios Nuclear Energy Levels and Magic Numbers Magic Numbers and Nuclear Shells Spin Coupling and Even Nucleon Preference Sephora Beauty Advisor Interaction LinkedIn Office Gossip vs Insights McDonald's Sausage McMuffin Deal Nuclear Pairing Interactions Analyzing Technetium Instability Mysterious Factors in Nuclear Stability Computational Models and DFT The Island of Stability Hypothesis Patterns in Isotope Stability Graphs Synthesized Artificial Elements Extending the Periodic Table to 118 Limits of Current Detection Capabilities Predicted Magic Numbers for Superheavy Elements Challenges in Reaching the Island of Stability Potential Applications of New Elements Technetium in Medical Imaging Plutonium and Nuclear Fission Sephora Beauty Advisor Interaction LinkedIn Hiring Pro Workflow Management McDonald's Sausage McMuffin Deal Americium in Smoke Detectors Future Applications of Superheavy Elements Patreon Shoutout: Glenn Sugden Sugdenium: A Fictional Element Grabby Aliens and Copernican Principle Criticism of Anthropic Reasoning Bostrom's Self-Sampling Assumption Defining the Reference Class The Empty Universe Paradox Uniqueness of Early Life on Earth Single Common Ancestor of Life Civilizations in a Colonized Universe Humanity as the 'Old Ones' Sephora Holiday Gifting LinkedIn Ad Spend and Revenue LinkedIn Ad Campaign Credit McDonald's Sausage McMuffin Deal Benevolent vs Lovecraftian Old Ones Fermi Paradox and Dark Forest Theory LinkedIn Professional Network Benefits McDonald's Sausage McMuffin Deal Kuvasier Cognac Social Drinking
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