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Mobility

Nukeproof unveils Kilowatt e-MTB platform with Avinox drivetrain

Bicycle maker Nukeproof has unveiled its new Kilowatt electric mountain bike platform fitted with the Avinox e-bike drivetrain. The line will come in four models, with two alloy and two carbon versions, priced from 3,999 pounds to 7,999 pounds. It features 160 mm front and 150 mm rear travel, supports a mullet wheel setup and can switch to full 29-inch wheels. Most models use an 800 Wh battery and the Avinox M2S motor.

AI & Enterprise

Nvidia unveils hot-water cooling design to cut data centre water use

Nvidia unveiled a new hot-water, closed-loop cooling system it says can almost eliminate water use inside data centres by circulating coolant for the life of a facility. The system uses about 45 degrees Celsius coolant that exits around 55 degrees before being cooled externally and recirculated. Nvidia says suitable climates could cut on-site water use by 100%. The article says overall AI water use also depends on electricity generation and semiconductor manufacturing.

AI & Enterprise

Amazon first discloses data centre water use at 9.4 billion litres a year

Amazon for the first time disclosed the amount of water it used to run data centres worldwide, saying it consumed about 2.5 billion gallons, or roughly 9.5 billion litres, last year. The company said its data centres used an average of 0.12 litres of water per kilowatt hour of electricity, and that total water use fell 2 percent from a year earlier. Critics note the figure excludes indirect water use at power plants and during construction.