Mark Mortimer

Book Review: Stargazing with a Telescope

Are you liking astronomy but feeling unsure about how to take that first step? Have a friend showing a spark…

20 years ago

Have you ever replaced the light bulb inside your fridge? Take a look next time. It draws about 25 watts…

20 years ago

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It's for people. That's why we explore space, push ourselves to the next level, and continually strive forward. Machines may…

20 years ago

What drives a person to write an autobiography? Maybe being a central character in a world shaping event would do…

20 years ago

Twinkle, twinkle little star, how I wonder what you are. Or are you a star? Perhaps you're a gargantuan galaxy,…

20 years ago

From the big to the small, physicists want to know it all. But what good is this knowledge unless you…

20 years ago

After the fun and excitement of any wild party comes the clean-up. Broken things need fixing, steps get taken to…

20 years ago

The lunar module brought two men from an orbit about our moon onto the moon's surface and then back into…

20 years ago

Rockets look pretty impressive. Huge plumes of smoke and flame billow out of their base, while much further up, their…

20 years ago

At a traditional wedding, the bride, well hidden by a veil, gracefully walks up the aisle. At the appropriate moment,…

20 years ago