[Styropyro’s] handheld, DIY laser rifle, or Laser Telescope Blaster as he calls it, works for long distances. His solution lies in some surprising physics: the larger the diameter of the beam ...

A team in Kolkata has built the city's largest handmade telescope, a 14.5-inch Dobsonian, showcasing both scientific ambition ...

Getting a closer look at the Moon isn’t particularly difficult; even an absolute beginner can point a cheap telescope towards our nearest celestial neighbor and get some impressive views.

The way it's supposed to be made, though, would allow it to expand the scope of its science well beyond that. The telescope would have such unprecedented resolution that it would be capable of ...

Scientists and optical observers in Kolkata have built the largest handmade telescope in the city. The 14.5-inch f/5 ...

Antiques Roadshow expert Marc Allum left one guest speechless after he valued the price of an item made by a famous member of his family.

A group of scientists and optical observers from two organisations in Kolkata have come together to create a telescope, described as the largest in the city. The 14.5-inch f/5 Dobsonian telescope was ...

Two groups in Kolkata related to astronomy have created what they claim to be the largest handmade telescope in the city — a 14.5-inch f/5 Dobsonian that is low-cost, powerful, and easy to handle.