Power Zoom

Power Zoom

i have a cannon power-shot SD550 digital camera and the zoom lens doesn't work,any ideas???

the zoom lens won't close and the camera doesnt start up it makes a beep sound when i try to start it up

Check your user manual for what the beep means, or go onlline at the manufacturer's …

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Lunar Moon

Lunar Moon

Why phases of Moon are not lunar eclipses?

Whle lunar eclipses are for smaller duration on a full-moon night, phases are every night long.

A lunar eclipse, by definition, is when the part of the moon illuminated by the sun "falls" into the shadow cast by the earth. Phases are not considered eclipses, …

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Maksutov Cassegrain Telescope

Lune moon maksutov cassegrain 150 sky watcher telescope 20/04/10 Paris

Figuring out the type of eye piece to use with my telescope?

What is an easy way to know which eye piece to use with my telescope? I have a 1300 x 100 Maksutov-Cassegrain. I want to see deep space? Can I …

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Meteorite Crystal

Crystal Maze: Captain Mandi, Karen and the Meteorite Storm

Meteorite crystals, like diamonds?

Awhile ago, probably 6 months, I saw a story about a company which makes synthetic minerals of the material which is otherwise only available as tiny crystals in meteorites.

The minerals are almost as hard as diamonds and have cosmetic …

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Adjustable Focus

I am taking a Photography class next year, and I need help finding a camera for it?!?!?!?

I need a 35 mm camera with manually adjustable focus, aperture, and shutter speed. I just have a point and shoot camera so I don't know that much. And please it can't be extremely expensive because …

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Space Planet Viewer

Name of this Sci-fi movie?

It is probably an american sci-fi film. The only thing I remember from is that they have received some plans, how to build a huge machine with which humanity can travel to an alien planet? The best thing is, that they build this huge "machine" and there …

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Day Night

Day Night

Creationist: if the sun were to burn out do you believe there would still be light and day/night on earth?

Clearly in Genesis God created light and the day/night cycle long before he created the sun. .

So if the sun were to burn out would God's light still be around? What about …

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Advanced Optics

Advanced Optics

Few questions related to modal theory in fiber optics?

1) What conditions BETAm (propagation constant) needs to satisfy, to enable propagation of the mode (m-order, like in TEnm) through fiber?

2) If there is 10 modes (of all possible polarizations) which can propagate through the fiber, what LP modes are settling them?

3) …

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Moon Meteorite

Moon Meteorite The First Green Fireball Reported in 1954 Sparks Off UFO Sightings

The headline read "Thousands of people saw a huge fireball light up the dark New Mexico skies tonight", it was hot off the wires and my friend Jim, from the Long Beach Press Telegram, was reading it to me. It was exactly …

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Astronomy Space Planet Learn All About Astronomy

Astronomy could be distinct as the diverge of skill that deals with the research of natures and motion of space bodies like stars, planets and galaxies. There are yet different definitions for Astronomy. This includes the examine of substance and gear exterior earth's atmosphere and having their own …

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