Why Don’t Railroads Need Expansion Joints?
The video explores the use of thermite reactions for welding rails, detailing the process and its significance in modern railroads.
How an infinite DNA glitch saved millions
The video explores the discovery and impact of the Polymerase Chain Reaction (PCR) method, highlighting its inventor Kary Mullis's unconventional journey and the method's revolutionary applications in science and medicine.
This Musical Instrument Took Eons To Make
A limestone cave in Virginia has been transformed into a unique musical instrument called the Great Stalacpipe Organ, using stalactites to produce music.