Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) ...

Two Palestinian youth react to the news of the ceasefire between Israel and Hamas from Khan Younis. Ramadan Abed/Reuters A long-awaited ceasefire between Israel and Hamas is finally underway, and now ...

Abstract: Wavelength modulation spectroscopy (WMS) is recognized as a good noise immunity method in tunable diode laser absorption spectroscopy (TDLAS). It can obtain high signal-to-noise ratio ...