Peake's team joined researchers from Virginia Tech, Lehigh and Florida Atlantic to examine why owls can fly so silently. Peake said:
No other bird has this sort of intricate wing structure. Much of the noise caused by a wing – whether it’s attached to a bird, a plane, or a fan – originates at the trailing edge, where the air passing over the wing surface is turbulent. The structure of an owl’s wing serves to reduce the noise by smoothing the passage of the air as it passes over the wing – scattering the sound so their prey can’t hear them coming.
British inventor James Dyson announced that his company has spent the last week designing a new ventilator for COVID-19 patients and will ship 10,000 of them early next month to support the UK’s National Health Service. He’s also donating 5,000 more of them to international initiatives. From CNN: Dyson said the company had designed and […]
You’ve probably seen this triangle before: Fast, Cheap, Good — Pick Two. Here’s a new bridge-building technique from Austria that seems to allow the customer to get a bridge that’s faster, cheaper, better than traditional bridges. From Popular Mechanics: The umbrella method is a completely new way to construct a static final bridge. This TU […]
“Fire in the hole!” shouts an engineer as a detonator sparks. A second later, the shockwave and the thunder–a close shave with the last sight some people ever saw. The video apparently depicts work on Indianapolis’ sewer system.
There are plenty of productive ways to spend time while stuck indoors. While it’s undoubtedly fun to binge all 15 seasons of Supernatural or sink days of playtime into an Overwatch campaign, learning something new is definitely a more meaningful and long-term beneficial use of open hours. And if you’re going to invest time in […]
Yoga studios are closed nationwide. The irony is that between the anxieties of the outside world and those popping up inside your very own home with everyone trapped indoors, there’s probably never been a time where yoga’s calming zen was more vital and needed. Rather than just throwing in the yoga mat and subjecting family […]
The workers aren’t inside their physical business space anymore. So why should business technology still be under that roof either? In fact, more and more businesses have been making this migration for a while now, moving all their digital infrastructure to the world’s two largest cloud services platforms, Amazon Web Services (AWS) and Microsoft’s Azure. […]