S K SINHA national professor at the Water Technology Centre, Indian Agricultural Research Institute, New Delhi, spoke to Manish Tiwari on food security and the future of chemical agriculture in India
Holograms, or three-dimensional (3D) images of objects, are not only attractive to look at but also have remarkable properties. However, the process of making a holographic image is a lengthy one.
Scientists at the Lawrence Livermore Laboratory have made a thermonuclear fusion reactor that, they claim, can fit on a laboratory bench. The reactor consists of