Joel Sartore’s camera sits between him and a roaring tiger with razor-sharp teeth and bold black and orange stripes. Positioned before a stark black backdrop, the powerful animal looks on with ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Abstract: An electrically reconfigurable metasurface (RM) element (RME) is proposed, which can realize both transmission and reflection functions with 360° phase coverage by a single switch (PIN diode ...

From October 9, 2025 to February 1, 2026, the Gallerie d'Italia in Turin presents a major exhibition dedicated to Jeff Wall, among the most influential contemporary photographic artists. Twenty-seven ...

When the Leica M11 was launched, I mused that the increased versatility and precision offered by its live view system might risk making the optical viewfinder and rangefinder design look irrelevant.

Abstract: Ultrasound computed tomography (USCT) quantifies acoustic tissue properties such as the speed-of-sound (SOS). Although full-waveform inversion (FWI) is an effective method for accurate SOS ...

Soft Cell star Dave Ball dies aged 66 Trump's oil sanctions an 'act of war' against Russia, Putin ally says More than 30 people killed by US strikes on ‘narco’ boats, as Trump launches first attacks ...