Engineering

Carbon dioxide light source cleanly cuts decay.
Peter Gwynne, Contributor
Metal whiskers wreak havoc on electronics, but their origin has remained unknown.
Marcus Woo, Contributor
A new concrete repels water and could be close to maintenance-free.
Katharine Gammon, Contributor
Warnings when traffic lights will change could make a difference.
Joel Shurkin, Contributor
Biological phenomenon could turbocharge electricity generation in solar cells.
Charles Q. Choi, Contributor
Halting efforts could result in rapid climate changes and even war.
Joel Shurkin, Contributor
Motor-oil additive could make better engine lubricants and reduce wear.
Jyoti Madhusoodanan, Contributor
A popular luxury car option might be part of the solution to unexplained traffic jams.
Joel Shurkin, Contributor
New system can automatically identify grape varietal and sugar content.
Peter Gwynne, Contributor
Serpentine electronics could improve performance of cars and planes.
Charles Q. Choi, Contributor
Advancement allows patients to hear differences in pitch and timbre.
Joel Shurkin, Contributor
Grand prizewinner of USA Network's "Burn Notice" science challenge.
Emilie Lorditch, Staff Writer