Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create "heat rays" to burn the ships attacking Syracuse. Though the underpinnings of that claim are speculative at ...

Solar rays focused on concentrator photovoltaic cells using parabolic mirrors not only supply electricity, but also thermal energy for industrial processes, heating or cooling. Three technological ...

Optical Surfaces Ltd offers custom off-axis parabolic mirrors with a wide variety of coating options optimised for the most demanding high-power laser, defence, aerospace, spectroscopy and astronomy ...

One of the problems facing any solar power installation comes in storing enough power for high-intensity operations such as cooking. The high-tech and expensive way involves battery banks and ...

The design of efficient solar cells, which harness energy to generate electricity or produce hydrogen by splitting water, has received much attention globally. Another route to harnessing abundant, ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Borrowing from modern telescope design, researchers have proposed a way to concentrate sunlight to ramp up laser efficiency. Legend tells of Greek engineer and inventor Archimedes using parabolic ...