The Wild Ride of John Hopps: Building a Pacemaker That Brought Hearts Back to Life
Canadian engineer John Hopps accidentally discovered how to restart frozen hearts, leading him down an electrifying path toward inventing the pacemaker.
Esther Takeuchi’s Defibrillator Battery: How a Tiny Cell Keeps Hearts Alive
Meet the revolutionary battery that transformed defibrillators from bulky machines into compact lifesavers, powering millions of hearts worldwide.