Dark matter is believed to make up most of the matter in the universe, yet it has never been directly detected. One theory ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to ...

Tokyo – Samsung Electronics Co. Ltd. plans to use its process expertise to become the world's leading supplier of CMOS image sensors by 2007, overtaking entrenched Japanese suppliers by developing ...

For now, there's no reason for concern, but that could change in coming years. Kind of seems like yet another can’t really be used in the real world, attack. The attacker has to be sending specific ...

Light sensors often use an infrared LED as a light source. Infrared LEDs have a greater intensity than LEDs that emit visible light. And when infrared photodiodes are used the sensors are relatively ...

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So when the Sun's rays reach damaging levels, ...