Instruments, in this instance, refers to tools used in the Sciences and technology, such as telescopes or a scales.
Contrary to popular belief, humans do not explode or freeze in the vacuum of space when not wearing a spacesuit. While exposure to such an environment without protection is extremely dangerous and would lead to death within minutes, the human body does not explode or freeze. It expands but skin is strong and would keep the body intact.
Carl Sagan and NASA gained popularity when the longtime space program scientist created the Pioneer plaque and the Voyager Golden Record to be sent to space.
When the plutonium bomb to be dropped on Nagasaki was tested, the Manhattan Project scientists made a bet on whether or not it would destroy the world.
Isaac Newton produced many well-known works in math, astronomy, and physics, but he produced about as many unpublished works which dealt with theology, alchemy, and the occult.
One should use microwave-safe containers in a microwave. Safe containers let radiation pass through them so only the food, not the container, is heated.