PORTLAND, Ore. (KOIN) — Those living in the area of the Los Angeles wildfires are still struggling to find their footing after many of them lost everything. So a local non-profit, Positive Charge PDX, ...

Rub a balloon on your hair and the balloon typically picks up a negative electric charge, while your hair goes positive. But a new study shows that the charge an object picks up can depend on its ...

A GIF showing ion movement in an organic electrolyte in both a disordered fluid state and a self-assembled crystalline state. Green dots representing negative ions move erratically between long, ...

A ‘hole’ arises due to a missing electron in the valence band, which normally participates in covalent bonding between atoms. The absence of an electron creates a local absence of a negative charge, ...