Grado Reference Series The Hemp headphones review: sonically spot on

[ad_1] Grado Hemp: Two-minute review The Reference Series Hemp headphones started out as a limited edition – but thanks to popular opinion, Grado has decided to make them a permanent part of its catalog. How likely are the Grado Hemp to feature in our best wired headphones buying guide? Very, with just a few caveats.  … Read more

The world must rethink plans for ageing oil and gas platforms

[ad_1] One of world’s largest oil platforms, the North Sea’s Gullfaks C, sits on immense foundations, constructed from 246,000 cubic metres of reinforced concrete, penetrating 22 metres into the sea bed and smothering about 16,000 square metres of sea floor. The platform’s installation in 1989 was a feat of engineering. Now, Gullfaks C has exceeded … Read more

Brane X review: a portable smart speaker with incredible bass

[ad_1] Brane Audio Brane X: Two-minute review Brane Audio’s Brane X has managed to achieve the unthinkable in the mostly mundane realm of the best wireless speakers, which – to be clear – is full of models that don’t leave much of an impression. Some are good, some are okay, and many are bad. But … Read more

Will these reprogrammed elephant cells ever make a mammoth?

[ad_1] Woolly mammoths’ closest living relatives are Asian elephants, which could be genetically engineered to have mammoth-like traits.Credit: Mark Garlick/Science Photo Library via Alamy Scientists have finally managed to put elephant skin cells into an embryonic state. The breakthrough — announced today by the de-extinction company Colossal Biosciences in Dallas, Texas — is an early … Read more

A rapidly time-varying equatorial jet in Jupiter’s deep interior

[ad_1] In Fig. 1, we superimpose a steady, axisymmetric, zonal flow profile on a background map of the magnetic field2 derived from Juno magnetic field observations11 from the spacecraft’s first 33 orbits. The flow is dominated by an equatorial jet, which induces intense secular variation in the vicinity of the Great Blue Spot (the region … Read more

Integrated optical frequency division for microwave and mmWave generation

[ad_1] Microwave and mmWave with high spectral purity are critical for a wide range of applications1,2,3, including metrology, navigation and spectroscopy. Owing to the superior fractional frequency stability of reference-cavity stabilized lasers when compared to electrical oscillators14, the most stable microwave sources are now achieved in optical systems by using optical frequency division4,5,6,7 (OFD). Essential … Read more

Mar10 Day deals include a $25 gift card when you buy a Nintendo Switch

[ad_1] Mario Day, otherwise called MAR10 Day or just March 10, is upon us. This is the date to celebrate Nintendo’s iconic plumber. It’s not his birthday or anything, but rather a random day on the calendar that sort of looks like his name when spelled in a certain way. You know, like how Star … Read more