ou finish a long drive, toss a water bottle into the cup holder, and think, “I’ll deal with that later.” Maybe you leave another bottle in the back seat, another in the door pocket, and before you know it, your car has become a temporary storage spot for half a dozen bottles.
But there’s one reason firefighters and safety professionals have warned people to think twice about where they leave certain water bottles inside a parked vehicle: under the right conditions, a clear, water-filled bottle can concentrate sunlight onto a
