EVERYDAY QUESTIONS. CLEAR EXPLANATIONS.
Go beyond the video. Read the explanation, find a chapter, and check the research behind each episode.
EPISODE LIBRARY
SATELLITE NAVIGATION · 4 MIN 26 SEC
GPS can put you across the street when buildings block direct satellite signals and reflected signals take longer routes. If the receiver accepts those distorted measurements, the calculated position can shift.
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BATTERY CHARGING · 2 MIN 10 SEC
Near full, a lithium-ion charging controller can hold voltage near its limit while reducing current. Charging schedules, charge limits, and temperature controls can also slow or pause charging. Eighty percent is not a universal transition point.
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LIGHT & CAMERA TIMING · 2 MIN 30 SEC
Some lights change rapidly, and camera exposure timing can turn those changes into flicker or dark bands even when your vision blends them together. Rolling-shutter rows can collect different portions of the changing light.
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DISPLAY & TEMPERATURE · 3 MIN 6 SEC
A warm phone can limit display brightness to protect itself even when the brightness slider stays at maximum. Bright sunlight can also make a screen harder to read without changing its output. A dim screen alone does not prove overheating.
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