To solve an equation, more than one step may be needed to find the unknown variable. Remember to check your answer by substituting the solution back into the original equation. The unknown ...

The flow therefore satisfies all the restrictions governing the use of Bernoulli's equation. Upstream and downstream of the contraction we make the one-dimensional assumption that the velocity is ...

The most important part of any equation is the equals sign at its heart. Those two horizontal lines tell us that when we change one thing, we’ll see a corresponding change in another, apparently ...

Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...

In 1843, William Rowan Hamilton had a four-dimensional flash of insight that still shapes our three-dimensional world.

Whether it's a tricky word game or a maths puzzle, brain teasers are a fun way to keep your brain active and sharp. Maths ...

Entrepreneur Meng Weng shared the trick she learned from a friend with a Doctorate from Stanford: If you focus on improving ...

Now, just 200 grams—the mass of about one cup of water—of a new material developed by scientists at UC Berkeley can pull as much carbon out of the atmosphere as a tree. Omar Yaghi, senior ...

So, what’s the solution for beauty fans on a budget? Step forward the Revlon One-Step Air Straight, which retails at the bargain price of £69.99. But how does it stack up against its pricier ...

The imaginary part is a multiple of the number i, "the square root of minus one," which is defined by the equation i ² = –1. By the early 1800s, several mathematicians, including Jean Argand ...