Former Brazil manager Emerson Leao has launched a fierce attack on Neymar, calling him “not an example to anyone” and claiming the forward is “past his prime”. Leao criticised the 33-year-old's ...

France’s Institut Photovoltaïque d'Île-de-France (IPVF) has announced the achievement of bifacial perovskite PV devices with 18.1% power conversion efficiency measuring 2 cm x 2 cm, and 16.8% for 10 ...