Ever wondered why your electric vehicle battery loses its punch over time? Scientists just made a game-changing discovery: cobalt, long shunned in battery design, might actually be the key to longer-lasting single-crystal lithium-ion cells. This could mean more reliable EVs and gadgets for all of us. But is bringing cobalt back a step forward or just another tech trade-off? Would you trust your next EV with a cobalt-powered battery? Let’s debate! #Tech #EVs #BatteryTech