Researchers in Italy have designed a novel carbon dioxide heat pump that can work with photovoltaic-thermal energy, a finned coil heat exchanger and a U-tube borehole heat exchanger. Their experiment ...

While testing the Air Arms S510R Core, Mark Camoccio discovers a refined, lightweight hunting rifle offering top-tier ...

Sierra Space’s recent tests involved a pair of .50 caliber guns built to replicate orbital debris impacts by firing ...

The only confirmed supersonic air-to-air gun kill is credited to a hotshot U.S. Air Force F-4 Phantom II pilot named Maj.

The basic technology behind Ambient Photonics’s solar cells is so simple that it’s routinely assembled as a high school science experiment. In labs across the US, students sandwich ...

The average concentration of CO2 in the lowest level of the atmosphere for 2024 was 422.7 ppm, the atmosphere and oceans agency found. Scientists cited record-high air and ocean temperatures as ...

sponsored by Florida Power & Light. Footage of any play showing any high school in the Naples and Fort Myers area is eligible. The top play, as decided by a panel, will be honored at the 2024-25 ...

High winds led to scattered power outages in Metro Detroit Monday, some of which are lingering into Tuesday morning. By 2 a.m. Tuesday, there were about 3,000 DTE Energy customers in the dark ...

Ghana’s air is slowly killing its people — and experts ... is calling for a ban or heavy taxation on high-emitting vehicles, warning that Ghana cannot afford to ignore their contribution ...