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ScienceDaily: Computers & Math News |
| Posted: 21 Dec 2021 07:27 AM PST For many applications making use of quantum effects, the light has to be in a certain state -- namely a single photon state. But what is the best way of generating such single photon states? Researchers have now proposed an entirely new way. |
| IT security: Computer attacks with laser light Posted: 21 Dec 2021 07:27 AM PST Computer systems that are physically isolated from the outside world (air-gapped) can still be attacked. This is demonstrated by IT security experts. They show that data can be transmitted to light-emitting diodes of regular office devices using a directed laser. With this, attackers can secretly communicate with air-gapped computer systems over distances of several meters. In addition to conventional information and communication technology security, critical IT systems need to be protected optically as well. |
| Consciousness in humans, animals and artificial intelligence Posted: 20 Dec 2021 09:07 AM PST A new theory of consciousness provides experimental access to the study of this phenomenon. Not just in humans. |
| Posted: 20 Dec 2021 09:07 AM PST Intelligent packaging with sensors that monitor goods, such as vegetables, on long transport routes is a trend for the future. Yet printed and disposable electronics also cause problems: Metals in printing inks are expensive -- and disposing of them in an environmentally sound manner is costly and exacerbates the problem of electronic waste. |
| Measuring a quantum computer’s power just got faster and more accurate Posted: 20 Dec 2021 09:06 AM PST What does a quantum computer have in common with a top draft pick in sports? Both have attracted lots of attention from talent scouts. Quantum computers, experimental machines that can perform some tasks faster than supercomputers, are constantly evaluated, much like young athletes, for their potential to someday become game-changing technology. |
| Mind-controlled robots now one step closer Posted: 16 Dec 2021 12:02 PM PST Researchers teamed up to develop a machine-learning program that can be connected to a human brain and used to command a robot. The program adjusts the robot's movements based on electrical signals from the brain. The hope is that with this invention, tetraplegic patients will be able to carry out more day-to-day activities on their own. |
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