An observer or meteorologist must start the computer software program and instrument pack, walk up to the inflation building and fill up the balloon with helium or hydrogen, attach the pack and a ...

Here, the authors report a COF with enhanced charge transfer, achieving a hydrogen evolution rate of 265 mmol g −1 h −1. Urea electrooxidation offers an energy-saving route for hydrogen ...

Hydrogen is the lightest of all gases. Before the Hindenburg Disaster, hydrogen was used in both balloons and airships, but due to its flammability, it has been phased out. Coal gas is a mix of ...

“The use of digital twins is going to be extremely valuable in ensuring we build the robust layers to manage or mitigate any risk, or stop it happening in the first place,” says Steven Elliott, Senior ...

Promising results from an early-stage trial suggest that lenacapavir injections might offer long-lasting protection. What will really matter in the long run? That’s the question we tackle each ...

Today, drones are used for various functions, including monitoring climate change, delivering goods, aiding search and rescue operations, and filming and photography. Of course, UAVs are also an ...