Solar lantern for people living without electricity

Panasonic Corporation today announced that it has developed a solar lantern that doubles as a charger for people living without electricity. With a built-in rechargeable battery to store solar energy during the day, the lantern ...

Can citric acid be a green alternative to protecting steel?

Nitric acid is currently the most widely used passivating solution to protect stainless steel from corrosion in industrial applications. But nitric acid is dangerous in multiple environmental, safety, and processes, due to ...

E-waste recycling—at whose expense?

Computers, tablets and mobile phones are all popular consumer products. The lifespan of these devices is usually short, between two to four years. Shakila Umair, researcher at KTH, travelled to Pakistan to see how these common ...

Sitting in traffic jams is officially bad for you

With millions of motorists in the UK set to hit the road for the bank holiday weekend, drivers have been urged to close windows and turn off fans while in traffic jams to avoid breathing in dangerously high levels of air ...

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