Black silicon photodetector breaks the 100% efficiency limit
Scientists have developed a black silicon photodetector that has reached above 130% efficiency.
Thus, for the first time, a photovoltaic device has exceeded the 100%...
Are lethal autonomous weapons the future of warfare
An armed weapons system capable of making decisions sounds like it is straight out of a Terminator movie.
But once lethal autonomous weapons are out...
Scientists develop first electrically injected laser
Scientists have demonstrated the first electrically injected laser made with germanium tin.
Used as a semiconducting material for circuits on electronic devices, the diode laser...
Perovskite mineral is the future of solar energy cells, shows Cornell study
A solar cell made with perovskite, shown here, show promise as an energy-efficient, scalable and longer-lasting way to create solar panels.
When it comes to...
Scientists discover a new class of semiconducting materials
Semiconductors are important materials in numerous functional applications such as digital and analog electronics, solar cells, LEDs, and lasers.
Semiconducting alloys are particularly useful for...
Astronomers pinpoint the best place on Earth for a telescope
Dome A, the highest ice dome on the Antarctic Plateau, could offer the clearest view on Earth of the stars at night, according to...
Scientists find the main causes of sewer line failure
Concrete sewer pipes around the world are most likely to fail either because their concrete is not strong enough or because they can't handle...
New way to produce streams of liquid metal at room temperature
Researchers from North Carolina State University have demonstrated a technique that allows them to produce streams of liquid metal at room temperature.
By applying a...
Scientists discover enhanced water repellent surfaces in nature
New discoveries about the nanostructure of insects could help engineer enhanced water repellent coatings.
Through the investigation of insect surfaces, Penn State researchers have detailed...
Scientists make tough plastics in cars and electrical appliances recyclable
Thermoset polymers, found in car parts and electrical appliances, have to be durable and heat resistant.
But typically, they cannot be easily recycled or...