Einstein Was Right Again: Ripples in Space-Time Confirm Century-Old Theory

New observations of two black holes merging have confirmed predictions made decades ago by Albert Einstein, Stephen Hawking, ...

Daylight Savings Time Is So Bad, It’s Messing With Our View of the Cosmos

In a preprint titled “Can LIGO Detect Daylight Savings Time?,” Reed Essick, former LIGO member and now a physicist at the ...

Space-Time Doesn't Actually Exist

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...

Space-time doesn’t exist — but it’s a useful framework for understanding our reality

Space-time is the map of where and when events happen. A worldline is the record of every event that occurs throughout one’s life. The key question is whether the map — or all the events it draws ...

A “cosmic carpool” is traveling to a distant space weather observation post

At the edge of the heliosphere, the solar wind runs up against the interstellar medium, the gas, dust, and radiation in the ...
IEEE

Real-Time Scheduling for Flexible Job Shop With AGVs Using Multiagent Reinforcement Learning and Efficient Action Decoding

Abstract: The application of automated guided vehicle (AGV) greatly improves the production efficiency of workshop. However, machine flexibility and limited logistics equipment increase the complexity ...
IEEE

Imagined Speech–EEG Detection Using Multivariate Swarm Sparse Decomposition-Based Joint Time–Frequency Analysis for Intuitive BCI

Abstract: In brain–computer interface (BCI) applications, imagined speech (IMS) decoding based on electroencephalogram (EEG) has established a new neuro-paradigm that offers an intuitive communication ...