Overcoming symmetry limits in photovoltaics through surface engineering

A recent study carried out by researchers from EHU, the Materials Physics Center, nanoGUNE, and DIPC introduces a novel ...
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Two US high school girls rewrite 2,000 years of mathematics with a new Pythagorean proof once thought untouchable

For centuries, the Pythagorean Theorem has occupied a unique position in mathematics: both elementary and profound. Its ...
BBC

Short division using written methods

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...
BBC

Division with remainders

Sometimes, it is not possible to divide one number by another exactly. Anything left over that cannot be divided exactly is called a remainder. When you are solving problems and there is a remainder, ...