The one at Pittsburgh's Buhl Planetarium was a Zeiss II Sky Projector. The invention of the telescope in the 1920s opened the stars and planets to the masses, said Amanda Iwaniec, director of ...

After many setbacks, their first planetarium projector was completed in 1923, with the first performance at the Deutsches Museum a century ago today. Planetariums were a hit with the public.

After many setbacks, their first planetarium projector was completed in 1923, with the first performance at the Deutsches Museum a century ago today. Planetariums were a hit with the public.

After many setbacks, their first planetarium projector was completed in 1923, with the first performance at the Deutsches Museum a century ago today. The first planetarium projector installed in ...

We've tested (and played with) the best star projectors for kids across a range of models from ambient, mood-enhancing night lights to more realistic star projectors suitable for children.

Everyone's been cramming "AI" into everything these days, whether it be phones or even TVs, so why should projectors be left out? BenQ's W2720i home cinema projector is exactly that—the first of ...

Well, our experience says that you do not have to go very far. A good 4K projector will get you sorted and give you an unmatched content viewing experience. But how does one choose the best 4K ...

Discover the best star projectors on the planet this Easter as we've shortlisted the top models across a range of categories and price points. Here's our hands-on guide to the best star projectors ...