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ScienceDaily: Computers & Math News |
| Evading the uncertainty principle in quantum physics Posted: 06 May 2021 11:21 AM PDT In quantum mechanics, the Heisenberg uncertainty principle dictates that the position and speed of an object cannot both be known fully precisely at the same time. Researchers now show that two vibrating drumheads, the size of a human hair, can be prepared in a quantum state which evades the uncertainty principle. |
| Physicists find a novel way to switch antiferromagnetism on and off Posted: 06 May 2021 09:57 AM PDT Physicists have found a novel way to switch antiferromagnetism on and off, which could lead to faster, more secure memory storage. |
| An uncrackable combination of invisible ink and artificial intelligence Posted: 05 May 2021 08:13 AM PDT Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is predictable. Now, researchers have printed complexly encoded data with normal ink and a carbon nanoparticle-based invisible ink, requiring both UV light and a computer that has been taught the code to reveal the correct messages. |
| SMART evaluates impact of competition between autonomous vehicles and public transit Posted: 05 May 2021 07:20 AM PDT Researchers at Singapore-MIT Alliance for Research and Technology (SMART) and Massachusetts Institute of Technology (MIT) conducted a case study in the first-mile mobility market from origins to subway stations in Tampines, Singapore, to find out the impact of competition between public transit and shared autonomous vehicles. The study revealed that with the right conditions, the competition can be beneficial for both parties and improve overall transport systems. |
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