Why don’t phones and laptops have power sources that never run out?
Why do modern phones and laptops still need batteries and regular charging? Could we build them with a power source that lasts indefinitely, or at least for an…
thermodynamics
Why don’t we have phones and laptops that never need recharging?
Why do modern phones and laptops still depend on batteries and charging? Could we design them to generate or collect enough energy to keep running indefinitely, instead of…