Test Tube Innovations: How a Simple Tool Powers Big Discoveries Kumar Jeetendra | August 23, 2025 When we picture cutting-edge science, we tend to conjure gigantic machines and bank-vault control rooms. Yet tucked on every bench, the most powerful engine of discovery is a lowly test tube. Just a slender, finger-length tube of glass or plastic, it has quietly turned hypothesis into evidence and evidence into breakthroughs, quietly steering cardiology, oncology, …
