Engineering

Displaying 1 - 20 of 71 articles

Solar panels on a Walmart roof, Mountain View, California. Walmart/Flickr

Getting more energy from the sun: how to make better solar cells

Solar power has enormous potential, but provides only about one percent of world electricity today. An engineer explains the many steps it takes to make solar panels that are efficient, clean and cheap.
Drawing and reality: designing a metamaterial pattern. On the left is the plan; on the right is the actual object. Bossard/Penn State/Flickr

Beyond invisibility: engineering light with metamaterials

We are beginning to be able to control very precisely how light interacts with matter, creating opportunities for invisibility, soundproofing and even earthquake damage prevention.
Dagne Mojo (centre) and Petr Matous (right) discuss resource-conserving technologies with the inhabitants of Arsi Zone, Ethiopia. Tatsuya Ishikawa

Engineers don’t just build things, they can help save the world

The role of an engineer has diversified over the years to be something more than just building structures. But that is yet to be reflected in the way we teach the engineers of the future.
Alan Finkel participates in a debate with Nobel Laureate, Brian Schmidt. AAP Image/Alan Porritt

Alan Finkel to be Australia’s new Chief Scientist

Australia's new Chief Scientist, Dr Alan Finkel, is a passionate advocate for science and technology, and has argued that Australia should consider nuclear power.
An Egyptian engineer at work on a project to upgrade the Suez Canal. Engineers will be crucial in making the sustainable development goals a reality. Amr Dalsh/Reuters

Engineering graduates can help Africa to meet its sustainable development goals

If we want the Sustainable Development Goals to be more than just big dreams, Africa will need well trained engineers who can put their skills to good use in their own communities.
Flock/Bloodhound

How to build the world’s fastest car

One of the engineers behind Bloodhound, the UK's anticipated world land speed record attempt, explains how they created a car to reach 1000mph.
University of Cape Town scientists work in the Drug Discovery and Development Centre. More needs to be done to keep Africa’s scientists on home ground. Epa/Nic Bothma

Closing the research gap between Africa and the rest of the world

If the continent is to grasp the science and technology revolution, then governments should take the lead in both policy formulation and implementation.
Jean Paul Santos with the finished 4x4 sub-array antenna assembly that may help rovers talk directly with Earth. Matthew Chin

Talking to Mars: new antenna design could aid interplanetary communication

New research provides a compact but powerful way for Mars rovers to communicate directly with Earth via an array of smaller antenna elements, bypassing the need for an intermediary.

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