#battery-technology
7 episodes
#2124: The Flashlight You Actually Need
Most cheap flashlights fail when you need them most. Here’s what to buy instead.
#1937: Stop Charging to 100%: The Science of Battery Health
The "memory effect" is dead. Here's why charging to 80% is the new rule for phone and EV battery longevity.
#1935: The Charger Graveyard: How to Avoid Buying a Fire Hazard
Stop plugging in mystery chargers! Learn how to spot safe, smart chargers that won't fry your batteries—or your house.
#1933: Building a Phone Chain to Signal Underground
Old phones can create a lifeline when signals fail, but physics and hardware impose harsh limits.
#784: Beyond the Alkaline Cycle: Mastering Home Batteries
Stop feeding your power-hungry tools a diet of alkalines. Learn how to switch your whole home to sustainable, high-performance rechargeables.
#541: Why Can’t This Battery Fly? The Science of Li-ion Safety
Why are loose batteries a "no-go" for shipping? Herman and Corn explore the volatile science and strict laws behind lithium-ion logistics.
#510: Did Your EV Break Your Arm or the Planet?
Are electric vehicles truly green? From 1900s dominance to the ethics of cobalt mining, we explore the complex reality of the EV revolution.