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iSquared Magazine Issue 5

This edition of iSquared magazine features:

The mathematical origins of string theory - Andrew Dalrymple tells the story of how one of the most promising candidates for a “theory of everything” developed from the discovery of an application for a 200 year old...

Is There Anybody Out There?

A Catalyst article about the Kepler spacecraft, which is used to look for extra-solar planets. Scientists are hoping to shine light on the age old question of life’s existence elsewhere in the Universe using a new space-based telescope named Kepler. Launched on 6 March 2009, Kepler is searching the sky for small,...

Impact Earth

A Catalyst article about giant asteroids. Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many species, including humans. The article looks at what can be done to prepare for such an impact and what happened when a...

How the Leopard Gets Its Spots

The animal kingdom contains an abundance of exquisite natural patterns from the stripes of an angelfish to the spots of a leopard. But how do these arise during early development? This Catalyst article looks at Turing mechanisms as a way of explaining how patterns develop as an animal grows.

In 1952, Alan...

Astronomy - Careers

This Catalyst article investigates possible careers in astronomy and space science. It provides some information on a number of academic courses leading to an exciting career in astronomy; the article also lists places to visit for those with general interest in astronomy.

This article is from Catalyst: GCSE...

Are Airships Making a Comeback?

This Catalyst article investigates whether airships are making a comeback. The Airlander is an airship which can be used for transporting heavy loads over long distances.

The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 3.

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Aerogels

This Catalyst article investigates the nature of aerogels, which are among the least dense solid materials, not much denser than air. Aerogels were made as the result of a bet and ended up going into space to capture comet dust. They are the lightest solids which exist and have some unusual features.

The...

A report from the Leading Space Education Programme

This publication is a report from the Leading Space Education Programme (LSEP). This is a Science and Technology Facilities Council (STFC) funded project that has worked with 30 schools in England with the aim of enhancing science, technology, engineering and mathematics education in secondary schools and using...

Trigonometric Ratios

Royal Navy Search and Rescue helicopters provide cover to large sections of the UK coastline, offering support to coastguard services 365 days a year.

These materials from Defence Dynamics encourage the use of problem solving skills and knowledge of trigonometry to directly assist the Royal Navy in a series...

Reasoning and Proof

This resource from Defence Dynamics asks students to create and interpret a variety of graphs. The types of graph covered are time series, moving average, stem and leaf, cumulative frequency and scattergraphs.

Students then use the 2005 rescue of a Russian Priz submarine as a memorable context for learning....

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