quieter

Airbus has introduced its latest zero-emission eVTOL, designed to carry four people with a noise decibel range lower than a hairdryer when flying – which will radically cut into the noise pollution factor of a futuristic vision of eVTOLs buzzing around busy cities. Nearly five years in the making, this prototype targets a flight range of 50 miles (80 km) and a cruising speed of 75 mph (120 km/h). Airbus’s latest prototype, the CityAirbus NextGen – unveiled at the opening of its new CityAirbus test…

When TikTok users open the app these days, they encounter a platform stripped of music by many of their favorite artists. Dancers bob and sway without a beat drop. People lip-sync to silence.Because of a licensing rift between the platform and Universal Music Group, which releases music by Playboi Carti, Taylor Swift, Drake, Ariana Grande and others, TikTok confirmed Thursday that it had deleted music by Universal artists from its library and muted previously published videos that used those songs.Elevate Your Tech…

Last updated: December 15th, 2023 at 13:12 UTC+01:00 Samsung unveiled its latest Galaxy Book lineup yesterday, and a new Ultra model with NVIDIA RTX graphics is once again the top of the line. On the surface, the Galaxy Book 4 Ultra looks virtually identical to the Galaxy Book 3 Ultra, but several key things have changed on the inside. The Galaxy Book 4 Ultra even has a touchscreen now and may provide better outdoor visibility thanks to Vision Booster technology. In addition, the laptop ships with a 140W charger that…

Sound and noise inside prisons can affect both staff and inmates, so a thorough understanding of that noise is crucial when designing prison spaces. Credit: Helen Farley Prisons are typically noisy environments, filled with clanking metal bars and echoing concrete surfaces. This level of constant noise is harmful to both prisoners and staff, but there are few guidelines for designing better, quieter facilities.…

Renewable energy solutions specialist ETaker has introduced its new M2000 Power Station – a modular, versatile portable energy provider that uses cutting edge technology like semi-solid-state batteries and Gallium Nitride to deliver all your power needs more efficiently. For a limited time you can get the M2000 Power Station for early bird launch price of $1099 before it increases to its $2199 retail price. Head below for a closer look. ETaker joins the market with a winning flagship product…

WhatsApp is set to change the way large groups communicate through a voice call with the introduction of a new feature. It promises to make voice chats in larger groups smoother and less disruptive. The aim is to create a more seamless experience, offering users more control and efficiency when engaging in voice chats with multiple participants. WhatsApp has supported group voice calls of up to 32 participants for some time. But this addition to the voice chat is designed to enhance the experience significantly. In the…

The cooling system in your computer involves several fans and heatsinks all working together to get the heat from its various components out of the case as fast as possible. A PC that runs too hot will be loud and it won't perform at its best. There are a lot of things you can do to improve your PC cooling, though. Here are some ideas to get you started. Jacob Roach / Digital Trends Upgrade the CPU coolerEvery PC has a CPU cooler, but most computers — especially affordable pre-built…

Sit-down gas scooters are generally underpowered and noisy, but do offer a cheap and nimble way to navigate urban streets. Electric scoots are cleaner and quieter, and the latest from CSC Motorcycles comes with classic looks, can zip to 53 mph and has a range of 68 miles.The ES5 electric scooter features a 5-kW mid-motor (8-kW peak) running a belt to the rear wheel for 240 Nm (177 lb.ft) of torque and a top speed of up to 52.8 mph (85 km/h). That means you won't be able to catch the striking Zapp i300 on the straight, but…

Estimated lead-to-accompaniment-ratio, LAR, for songs in five genres from 1990-2020. Purple circles correspond to solo artists and green squares to bands. Credit: Kai Siedenburg A general rule of music production involves mixing various soundtracks so the lead singer's voice is in the foreground. But it is unclear how such track mixing—and closely related lyric intelligibility—has changed over the years.…

Puerto Rico-based electric foiling board pioneer Lift Foils has launched what's claimed to be the "most customizable, most powerful eFoil ever made." A new battery system can offer riders as much as 2.5 hours flying above the waves, and quietly zip them to a top speed of 30 mph.The Lift4's custom marbled carbon fiber board is the same shape as before but three sizes are now available – the 4-ft-2-inch (1.27-m) Pro, the 4-ft-9-inch (1.44-m) Sport and the 5-ft-4-inch (1.6-m) Cruiser. The color choice has been expanded too,…