The Conversation reports on single-stream recycling, emphasizing its convenience but noting significant contamination issues that reduce effectiveness.

That familiar funnel-shaped diagram of the Big Bang doesn’t mean the universe looks like a cone. Instead, it’s a way to ...

Abstract: In this paper, a novel method for separating and trapping different magnetic particles is presented. Changes in the current-carrying structure yield disturbing the generated magnetic field.

Abstract: Aperiodic spike noise signals generated by pulse–frequency modulation (PFM)-controlled direct-current (DC)–DC converters introduce random jitter into the switching timing, rendering it ...