I'm surprised at how many people don't know/realize that mirrors and magnifying glasses focus sunlight. They're all very lucky they just burned stuff and didn't set the whole house on fire.

My husband burned a small hole in one our car seats by leaving a water bottle on it, luckily a friend noticed the smoke and we handled the situation before it became a fire.

This list should also be a reminder of one more reason to not be littering randomly. Many wildfires are caused by sunrays reflecting through glass trash pieces and half lit cigarettes.

I had a beautiful crystal hanging on the patio windows which would give off beautiful rainbow prisms & I loved it - until it set my patio curtains on fire and spread causing thick smoke damage throughout the house! Scary time xxx

there's only one sentence for this post: the sun is a deadly lazer

Like reading outside? Use reading glasses? Never leave your glasses on top of paper or any other combustible out in the sun. Or anywhere the sun may hit during the day.

*Cue everyone suddenly looking around in their rooms to see if there are any mirrors and/or oddly shaped glass objects placed in unfortunate spots*

Makes me feel glad I'm a vampire and always have my drapes shut, lol.

Well s**t, I'm off to find something to cover my crystal ball with now. Luckily its not caused anything before but I'm not risking my house burning down. :o

Okay, i know how the "focus" here is mostly about sunlight interaction, but here's a warning. Be careful where you set those microwaveable hot wraps and warming pads. A former S.O.'s child was given one, she didn't like the smell so burried it under clothes on the floor. In short, the Hardwood floor scorched and started a fire which spread to the clothes. A whole closet full of clothes had to be thrown away and the room treated for smoke damage which permeated the room. Could have tragic...

The moral here is that mirrors are dangerous in many ways. Maybe we need less of them

Maybe there was a space magnifying glass above Australia

Did these people not have science class in high school, or are they just stupid?

My anxiety and paranoia went up a few notches after seeing these

In middle school I started to mow the lawn with a push mower. Ran out of gas, filled it hot and it overflowed. I pulled the cord and the mower back fired catching the spilled fuel on fire. Other than 40 ft flames, dead spot in the lawn and lawn mower nothing else caught fire

Oh god time to throw away all mirrors and anything glass or reflective. Geez this list scared me o.o

My daughter loves crystals and mirrored things. You can bet I'm sending her this thread!

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Do people really not know about reflective surfaces and the sun? Dear oh dear, it's basic science. You learn that when you're about five.