A typical commercial building of 4 650 m² spends about USD 45,000 a year on energy for lighting. Much of that money is wasted due to inefficient lighting control. By optimizing electric light and ...

Metasurfaces are two-dimensional (2D), nanoengineered surfaces that interact strongly with electromagnetic waves and can control light with remarkable precision. These ultra-thin layers can be used to ...

Investment and attention have been concentrated in satellites. Two startups aim to change this as they prepare to add to existing domestic capacity in the primary infrastructure: launch vehicles ...

Contraception may be the main reason most women start hormonal birth control, but it does a lot more than just prevent pregnancy. In addition to impacting skin and menstrual cycles, ongoing research ...

The incubation period of SARS-CoV-2 — the virus that causes COVID-19 — varies from person to person. Once it replicates in your cells and reaches higher numbers, you may feel symptoms. Share on ...

Pregnancy changes your life -- and your body. You knew that your belly would expand, you'd feel more tired than usual, and you might throw up a few times as your pregnancy progressed. But you may not ...

For columnist Alyssa Silva, control has always been her safety net. But in reality, it doesn't protect her; it exhausts her.