02/05/2023

Business

Brazil orders Google to halt campaign against speech bill

Brazil's Justice Ministry on Tuesday ordered Google to stop conducting what it called a propaganda campaign against Brazilian legislation aimed at curbing misinformation, or face about $200,000 per hour in fines.

Security

Data class-specific image encryption using optical diffraction

Optical computing has been making strides in recent years, with its potential advantages in speed, energy efficiency, and scalability. Among various photonic devices, diffractive deep neural networks (D2NNs) have gained growing ...

Energy & Green Tech

New life for used electric bike motors

An increasing number of people are riding electric bikes. Compared to cars, electric bikes are cheaper, more environmentally friendly, healthier for every-one and free up space in urban areas. The drawback is that there are ...

Energy & Green Tech

Sustaining US nuclear power plants could be key to decarbonization

Nuclear power is the single largest source of carbon-free energy in the United States and currently provides nearly 20 percent of the nation's electrical demand. Many analyses have investigated the potential of future nuclear ...

page 1 from 4