6 myths
Diamond is the hardest material anyone can actually use, and the hardest thing on the Mohs scale. A few substances may be harder in theory, but nobody has produced a sample pure enough to prove it.
Lightning regularly strikes 10 to 15 miles from a storm, under sky that looks completely clear. It’s called a bolt from the blue, and if you can hear thunder you’re already within range.
Hot water can freeze faster than cold under some conditions, but not always, and nobody has explained why.
A penny is too light and flat to kill somebody, by falling off a building.
Complex snowflakes are extremely unlikely to match exactly, but simple ones can look alike
lightning strikes the same spots again and again, especially tall or pointy structures.
