आजकल फ़ोन का बैटरी निकलता क्यों नहीं? - Why Phone Companies Removed Removable Batteries - FactTechz

Did you know why newer smartphones don't come with removable batteries? Do you know about the new underwater oxygen technology? Did you know that neutron stars are of the most dense objects in the universe? Let's explore various random facts in the episode 97 of TEF (Top Enigmatic Facts).
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See you in the next enigmatic and scientific video full of knowledge.