NRKZ Signal · Signal illustrationTechnology SIGNAL EXPLAINER
What a robot breakthrough actually proves
A laboratory result becomes useful when its task, test conditions, and limits are clear.
SIGNAL EXPLAINERS
Understand what comes next.
5 stories · Source dates are shown for news briefs.
NRKZ Signal · Signal illustration
NASA/Joel Kowsky · Archive imageSpace SIGNAL EXPLAINER
Why getting home requires a heat shield
A return capsule must shed speed while keeping intense atmospheric heating away from its passengers and instruments.
NASA/JPL-Caltech · Archive imageSpace SIGNAL EXPLAINER
Infrared astronomy is more than a prettier picture
Different wavelengths reveal different physical clues. The colors are a map of measurements, not a window seen through human eyes.
NRKZ Signal · Signal illustrationTechnology SIGNAL EXPLAINER
Post-quantum security does not need a quantum computer
The replacement algorithms run on ordinary computers. The difficult part is preparing systems before the threat becomes practical.
NRKZ Signal · Signal illustrationScience SIGNAL EXPLAINER
What a particle collider can—and cannot—tell us
Energy and the number of collisions answer different questions. Neither turns a single surprising event into a discovery.