18/01/2022

Boxing up molecular machines

Machines that are confined inside a cage or casing exhibit interesting properties by converting input energy into programmed functions. One such system is the mechanical gyroscope or gyrotop, a fascinating toy that amuses ...

Mini electricity generator made from quantum dots

Machines and electronic devices often generate waste heat that is difficult to utilize. If electricity could be generated from this waste heat, it would offer a means for a clean and sustainable power production: Such a technology ...

Steady driving toward ExoMars launch

The first simulation of the ExoMars rover driving off its landing platform closed out an incredible year of preparations as the mission now marches with confidence towards a September launch.

US plans $50B wildfire fight where forests meet civilization

The Biden administration said Tuesday it will significantly expand efforts to stave off catastrophic wildfires that have torched areas of the U.S. West by more aggressively thinning forests around "hot spots" where nature ...

Owl wing design reduces aircraft, wind turbine noise pollution

Trailing-edge noise is the dominant source of sound from aeronautical and turbine engines like those in airplanes, drones, and wind turbines. Suppressing this noise pollution is a major environmental goal for some urban areas.

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