Waste not, want not: legacy mines as sources of critical metals

Sitting on our global landscape are many thousands of legacy mine waste sites, which could be sources of critical metals, as Dr Anita Parbhakar-Fox explains.

More than a sign: London Underground’s iconic tiles

Kathryn Allen takes a look at the iconic ceramic tiles and signage used on the London Underground.

The changing face of airport security

Keith Rogers and Paul Evans discuss the technologies being used to keep people safe at airports.

Keeping smart grids safe

What are the dangers associated with smart grids? Gary Peters speaks to Dr Sujeet Shenoi to find out.

Materials in security science

Assessing the role of materials in security science and technology.