n MNASSA : Monthly Notes of the Astronomical Society of South Africa - Step 1 : turn on your mirror ... : miscellany




Go buy a can of antifreeze at the motor spares shop. Add iron-oxide powder and shake vigorously. Pour into a shallow pan. Spray on a pinch of powdered silver, and turn on a magnetic field. Voilä! - an instant mirror! Can it really be that easy? Not yet, but a promising new technology suggests that, someday the answer might be "yes."


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