The Telegraph
| Monday, August 14, 2017 |


Star Equation

Meghnad Saha came up with an equation close to a century ago that is still the basis for our study of stars, says Aswin Sekhar 

Astrophysicist Meghnad Saha left this world more than 60 years ago but his ionisation equation - the Saha Equation - still gets generous mentions at every session of any international astrophysical conference. That is how stellar his contribution... | Read»

Close shave

The asteroid TC4 will pass us at 44,000km — about one-eighth of the distance between the Earth and the Moon — this October. The artificial satellites farthest from the Earth circumvent it at 36,000 km so this really is a close shave.... | Read»

Reading Re-Kindled

#TechTonic / Surit Doss

If you are getting into a Kindle for the first time you might find it a bit daunting switching from paper to a digital e-reader. Whether you have selected the All-New Kindle or the Kindle Paperwhite with free 3G you have made the right choice. | Read»


I am a 23-year-old man and I am losing hair from the top of my head. I can already glimpse my scalp between the hairs. I need help! | Read»