Fullerene

A fullerene is a molecule of carbon in the form of a hollow sphere, ellipsoid, tube, and many other shapes. Spherical fullerenes, also referred to as Buckminsterfullerenes or buckyballs, resemble the balls used in association football. Cylindrical fullerenes are also called carbon nanotubes (buckytubes). Fullerenes are similar in structure to graphite, which is composed of stacked graphene sheets of linked hexagonal rings. Unless they are cylindrical, they must also Read More …

Gravitational waves Explained

What are gravitational waves?  Gravitational waves are small ripples in space-time that are believed to travel across the universe at the speed of light. They are like tiny waves on a lake — from far away, the lake’s surface looks glassy smooth; only up very close can the details of Read More …

What’s interesting about neutron stars merging?

The discovery On August 17, this year, the LIGO and VIRGO detectors picked up another disturbance due to a gravitational wave. The signal was different from the earlier four they had sensed. Not surprising, for the earlier signals were due to the distant mergers of black holes. This signal was Read More …

Why do we need external benchmarks while pricing loans?

An internal Study Group constituted by the Reserve Bank of India (RBI) has recommended that banks should set interest rates based on an external benchmark and not as per internal benchmarks as is the practice now. Here is what you need to know on the subject: What is the need Read More …

All you need to know about VVPAT

The Election Commission recently received a memorandum from 16 political parties demanding that the paper ballot system be reintroduced for greater transparency during elections. The BSP, the AAP and the Congress have alleged that of Electronic Voting Machines (EVMs) took place during the recent Assembly Elections. Amid protests by Opposition parties against Read More …