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Motors are everywhere in our day-to-day lives—from cars to washing machines. A futuristic scientific field is working on tiny motors that could power a network of nanomachines and replace some of the power sources we use in devices today.

In new research published recently in ACS Nano, researchers from the Cockrell School of Engineering at The University of Texas at Austin created the first ever optical . All previous versions of these light-driven motors reside in a solution of some sort, which held back their potential for most real-world applications.

“Life started in the water and eventually moved on land,” said Yuebing Zheng, an associate professor in the Walker Department of Mechanical Engineering. “We’ve made these micro nanomotors that have always lived in solution work on land, in a solid state.”

Urban air mobility (UAM) company HT Aero continues to make progress toward the “flying car” it has promised to deliver by 2024. XPeng Huitian (aka HT Aero) recently posted a video to Weibo demonstrating an eVTOL prototype taking off, flying around, and being maneuvered like a car. It has the XPeng Motors steering wheel and everything – check it out.

HT Aero is the rebranded name of XPeng Huitian, a majority-owned entity of XPeng Inc. and founder He Xiaopeng. Since its foundation in 2013, HT Aero has conducted over 15,000 safely manned flights with the goal of combining automotive and aerospace technologies to develop safe, domestic electric flying vehicles at scale.

This began with the T1 eVTOL (electric vertical takeoff and landing) vehicle in 2019, followed by the X1 in 2020, which appears to be the model demonstrated in the video below, given that it doesn’t have a roof like the X2.

A leaked trove of confidential files has revealed the inside story of how the tech giant Uber flouted laws, duped police, exploited violence against drivers and secretly lobbied governments during its aggressive global expansion.

The unprecedented leak to the Guardian of more than 124,000 documents – known as the Uber files – lays bare the ethically questionable practices that fuelled the company’s transformation into one of Silicon Valley’s most famous exports.

The leak spans a five-year period when Uber was run by its co-founder Travis Kalanick, who tried to force the cab-hailing service into cities around the world, even if that meant breaching laws and taxi regulations.

U.K.’s Reaction Engines has revealed the start of a new testing campaign to expand the performance envelope of their high-Mach propulsion technology. Over the coming weeks, the company hopes to prove that its technology could enable current jet engines to operate from takeoff up through Mach 4 and beyond.

The new tests are being conducted in conjunction with the Air Force Research Laboratory (AFRL) as a part of the Foreign Comparative Testing (FCT) Program at the Department of Defense. The FCT program is administered by the Directorate of Defense Research and Engineering for Advanced Capabilities and is focused on the discovery, assessment, and testing of leading foreign technology with the potential to satisfy U.S. Defense technical demands. The program seeks high Technology Readiness Level (TRL) technologies that could rapidly and economically satisfy current and emerging requirements.

“FCT demonstrates U.S. commitment to a ‘two-way street’ for defense procurements with both allied and friendly nations. Reaction Engines technology is world-class and is a great fit for the FCT program,” describes William Reed, the Air Force FCT manager.