Search results for fingerprint

Optics & Photonics Apr 29, 2024

Laser imaging could offer early detection for at-risk artwork

Look closely at Impressionist paintings in museums compared with photos of them taken 50 years ago, and you might notice something odd: Some are losing their bright yellow hues.

Earth Sciences Apr 29, 2024

Study provides new global accounting of Earth's rivers

A study led by NASA researchers provides new estimates of how much water courses through Earth's rivers, the rates at which it's flowing into the ocean, and how much both of those figures have fluctuated over time—crucial ...

Environment Apr 25, 2024

Study says it's likely a warmer world made deadly Dubai downpours heavier

Circumstantial evidence points to climate change as worsening the deadly deluge that just flooded Dubai and other parts of the Persian Gulf, but scientists didn't discover the definitive fingerprints of greenhouse gas-triggered ...

Earth Sciences Apr 24, 2024

Climate change supercharged a heat dome, intensifying 2021 fire season, study finds

As a massive heat dome lingered over the Pacific Northwest three years ago, swaths of North America simmered—and then burned. Wildfires charred more than 18.5 million acres across the continent, with the most land burned ...

Astronomy 6 hours ago

NASA/JAXA's XRISM mission captures unmatched data with just 36 pixels

At a time when phone cameras are capable of taking snapshots with millions of pixels, an instrument on the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) satellite captures revolutionary science with just 36 of ...

Optics & Photonics Apr 24, 2024

A molecular fingerprint beyond the Nyquist frequency

Ultrashort pulses play a significant role in spectroscopic applications. Their broad spectral bandwidth enables simultaneous characterization of the sample at various frequencies, eliminating the need for repeated measurements ...