Abstract: For any linear and time-invariant system, its output is the linear convolution between the variable input sequence and the constant system impulse response. When the input is long and the ...

A new technique developed at the University of Helsinki uses fatty acids, hydrogen peroxide and visible light to dissolve and recover silver from waste, offering a safer alternative to conventional ...

Retired, Institute of Professional Geologists, San Antonio, USA. From the late 1960s through approximately 1991, the Nebraska Department of Environment and Energy (NDEE) and its predecessors, the ...

Nvidia (NVDA) sent a memo to Wall Street analysts over the weekend arguing that it is not engaged in vendor financing, a controversial practice in which suppliers invest in or extend loans to their ...

Four years ago, I was given a fantastic opportunity to be a math coach for a primary years program. But when I started, there was no framework to work within, no script to follow. I was starting from ...

Expert DIYer April Wilkerson shares tips for making straight, accurate cuts with a circular saw. Tucker Carlson urges "civil disobedience" if Trump DOJ targets hate speech Trump Suffers Major Legal ...

In this video, learn to create a circular saw cutting guide. Ukraine reportedly agrees to U.S.-brokered peace proposal Volcano erupts for first time in 12,000 years: "Like a sudden bomb" Trump admin ...

The need to move on from dirty energy sources such as oil is well-established, but though it may not get as much attention, the need to move on from oil-based products is incredibly important as well.

A team of European researchers has developed a method to identify hazardous chemicals in two of the most dominant waste types: sewage sludge and electronic waste (WEEE). The new technique, based on ...

School of Automation Engineering, Northeast Electric Power University, Jilin 132012, China Advanced Sensor Research Institution, Northeast Electric Power University, Jilin 132012, China School of ...