Until recently, gravitational waves could have been a figment of Einstein’s imagination. Before they were detected, these ripples in spacetime existed only in the physicist’s general theory of ...

The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

Physics fans are a lot like surfers. Both think waves are really fun. For surfers, it’s all about having a good time. For physicists, it’s about understanding some of nature’s most important physical ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask ...

A slotted breakwater is a kind of perforated breakwater with vertical slots in the front wall of the structure. It can provide a sheltered area for loading and unloading of ships and crafts. In this ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There’s a gap on the electromagnetic spectrum where engineers can ...

If you’ve been keeping up on news about the next generation of wireless technology, 5G, you’ve likely come across the terms “low-band,” “mid-band,” and “millimeter wave” in your reading. But what do ...