logo

한국어

잡담/토론 게시판

회원가입없이 누구나 아무 아이디로 자유롭게 글을 올릴 수 있습니다.
욕설이나 광고, 도배글등은 경고없이 임의로 삭제처리 될 수 있습니다.
본 게시판에 올라온 글로 인해 발생한 어떤 문제에 대해서도 www.seekorean.com은 법적인 책임을 지지 않습니다.

회원가입없이 누구나 아무 아이디로 자유롭게 글을 올릴 수 있습니다.

By contrast, light coming from a regular incandescent light bulb covers the whole spectrum along with scatters all around the room. (Which is good, because could you illuminate an area which has a narrow beam of light?)
There are about a hundred several types of atoms in the entire universe, and they are generally always vibrating, moving, and rotating. Think of babies on sugar. When you add energy to the telltale atoms (even more sugar to the kids), they get excited and bounce everywhere in the place.
When the atoms relax back for their "normal" state, they emit a photon (a light particle). Think with the kids as coming down off their sugar high, and so they all collapse for the couch.
A laser controls the way energized atoms release photons. Imagine giving half the children sugar, and picture the way they would bounce all over the place (like light coming from a bulb)if it took effect. They can be very high-energy on the list of better half who were contently sitting down.
Now imagine those sugar kids jumping in unison (a focused laserlight). The sugar-kids are infectious, and pretty soon, your children around options joining in and sharing of their excited energy. This is the place where a laser charges the atoms in the gas medium.
Now create a cat-flap that lets out a small number of youngsters out at any given time, while the rest are bouncing around inside, charging up everyone. That cat-flap exit could be the laser beam exiting the laser. The atoms remaining inside laser bounce off mirrors as they charge the other up.
Before we start, you may need eye protection – tinted UV ski goggles are fantastic to utilize, just like large-framed sunglasses, but recognize that these methods of eye protection will not protect your vision coming from a direct beam. They are intended as a general safety precaution against laser beam scatter and spinning mirrors. (Yes, you may be wearing sunglasses inside dark!)
A very neat addition to the experiments below is often a fog machine. (Rent one from your local party supply store.) Turn it on, make sure you have good ventilation, darken the lights, and turn about the lasers with an outstanding laser experience!
A quick note about lasers: keychain lasers from your dollar store work all right with one of these projects. Do not utilize green lasers purchased in astronomy stores – they are too dangerous to the eyes.
Plastic Bottle Beam Fill up a plastic water or clean soda bottle with water and add a sprinkle of cornstarch. Turn around the lights and arrive the laser, aiming the beam from the bottle. Do the thing is that the main beam inside the bottle? Can you obtain the reflection beam and also the pass-through beam?
Light Bulb Laser In the dark, aim your laser at the frosted incandescent light bulb. The bulb will glow and also have several internal reflections! What other varieties of bulbs are very effective?
CDs Shine your beam over the surface of a vintage CD or DVD. Does it are better with a scratched or smoother surface? You should see between 5-13 reflections from the surface with the CD, based on in places you shine it and exactly how good your "seeing" conditions are.
Glass and Crystal Pass the laser through several cut-crystal objects such as wine glasses or clear glass vases. Is there a big difference between clear plastic or glass, smooth or multi-faceted? Try an ice cube, both frosted and wet.
Microscope Slides Shine the laserlight by having a flat bit of glass, such like a microscope slide or single-paned window. Can you obtain the pass-through beam and also a reflected beam?
If you have it, fill a clear tank with water, add a sprinkling of cornstarch, and hang the slide underwater. Shine the laser from the side wall with the slide and both beams will probably be visible.
Lenses If you have an old pair of eyeglasses, pop out the lenses and try either in the beam to find out the many effects. Try one lens, and then try two consistent with the other person to view if you'll be able to affect the beam.
Filters Paint a bit of cellophane or stiff clear plastic with nail polish (or use colored filers) to put inside the laser. You can make an instant diffraction grating simply by using a feather inside the beam.
If you've polarizer filters, use two. You can substitute two sunglass lenses – no need to come out the lenses – you can don't use anything but two pairs of sunglasses. Just make sure they are polarized lenses (most UV sunglasses are). Place both lenses within the beam and rotate one 90 degrees. The lenses should block the light completely in one configuration and allow it to pass-with the other way.
Laser Maze Hot glue one 1" mosaic mirror (bought at most craft stores) to each wooden cube. In a pinch, you are able to use aluminum foil or Mylar. Add a fog source, such being a fog machine, dry ice, or clap two (very chalky) chalkboard erasers together – be sure that you have proper ventilation, as you will likewise require the area to be very dark. Turn around the laser adjust the cubes to aim the beam on top of the next mirror.
_____________________________________________________________
As a tutor, engineer and university instructor Aurora Lipper may be helping kids learn science for upwards of ten years.
Want More Cool Science Activities?
Rocket-launch your kid's education by downloading your free copy of the Science Experiment Activity Guide from your Supercharged Science website:

When you have almost any inquiries about wherever along with tips on how to utilize Inspiring Experiments, you can e-mail us with the web-page.
List of Articles
번호 제목 글쓴이 날짜 조회 수sort
131 Patrick Andrew Fleming Chicago Diet And Wellness Lecture By Dr. Alla Arutcheva Andrew Fleming Chicago 2015-01-10 6322
130 Slacker’S Guide To Imperial Advance image Imperial Advance 2015-01-11 1685
129 What To Know About The Procedure Of Selecting Legal Representatives california dui penalties 2015-01-05 1625
128 How To Sac Longchamp Pas Cher To Save Money Sac Longchamp Pas Cher 2015-01-11 1591
127 Eric Gonchar Consider The Legal Professional Requirements When It Arrives To Education And Learning Eric Gonchar 2015-01-03 1585
126 9 Lies Imperial Advances Tell image Imperial Advance 2015-01-11 1381
125 5 Ways You Can Grow Your Creativity Using Red Payments Red Payments 2015-01-11 1329
» The Word "LASER" Stands For Light Amplification By Stimulated Emission Of Radiation. A Laser Can Be An Optical Light That Emits A Concentrated Beam Of Photons. Lasers Are Often Monochromatic - The Sunlight That Shoots Out Is Often One Wavelength And Inspiring Experiments 2015-01-04 1245
123 79% OFF Giuseppe Zanotti Sneakers, Cheap Price, Free Fast Shipping, Only Member image cheap giuseppe zanotti shoes 2015-01-06 999
122 Hack Per Boom Beach www.Youtube.com 2015-01-04 942
121 Boom Beach Diamanti Boom Beach Hack 2015-01-04 922
120 79% OFF Giuseppe Zanotti Heels, Cheap Price, Free Fast Shipping, Only Member image cheap giuseppe zanotti shoes 2015-01-07 884
119 79% OFF Giuseppe Zanotti Heels, Cheap Price, Free Fast Shipping, Only Member image giuseppe zanotti outlet 2015-01-07 840
118 Post Brothers Apartments Five Items Enthusiasts Learned From Satellite Tv Set Nfl Broadcasts Post Brothers Apartments 2015-01-06 832
117 Some Tips You Must Know When Picking A Legal Representative san francisco dui attorneys 2015-01-06 832
116 Assist The Most Effective: Tips About Getting And Utilizing Fantastic Legal Representatives dui attorneys san diego 2015-01-06 822
115 79% OFF Giuseppe Zanotti Heels, Discount Price, Free Fast Shipping, Only Member image giuseppe zanotti outlet 2015-01-06 815
114 The Best Way To Properly Locate And Work With A Legal Professional atlanta dui lawyer 2015-01-06 809
113 79% OFF Giuseppe Zanotti Boots, Cheap Price, Free Fast Shipping, Only Member image giuseppe zanotti outlet 2015-01-06 804
112 Andrew Fleming Chicago Trading On The Floors Of Chicago q=andrew+fleming+chicago&rls=en&start=20 2015-01-07 803
111 79% OFF Giuseppe Zanotti Heels, Discount Price, Free Fast Shipping, Only Member image cheap giuseppe zanotti shoes 2015-01-06 800
110 What To Expect From Post Brothers Apartments? Post Brothers Apartments 2015-01-07 795
109 5 Awesome Tips About Amir Hasan Mojiri From Unlikely Sources image Amir Hasan Mojiri 2015-01-07 788
108 What Shakespeare Can Teach You About Escort Girls In London image Escort Girl London 2015-01-07 787
107 You Can Find A Legal Professional Which Helps criminal defense attorney seattle 2015-01-06 787
106 Amir Hasan Mojiri Imagine Prior To You Do: Soccer And Jazz Violin Amir Hasan Mojiri 2015-01-07 774
105 Assist The Very Best: Advice On Finding And Dealing With Wonderful Lawyers california dui lawyer 2015-01-06 768
104 Understand Attorneys Using This Type Of Fantastic Advice montgomery county dui attorney 2015-01-06 763
103 Want To Know More About Post Brothers Apartments? image post brothers apartments 2015-01-07 761
102 Introducing Essential Aspects In Wine image winery in michigan 2015-01-10 758
101 Legal Professionals And Getting The Best From Them federal criminal lawyer 2015-01-06 758
100 All That You Should Know About Selecting Great Lawyers california dui attorney 2015-01-05 752
99 Factors To Consider When Working With A Attorney cook county dui attorney 2015-01-06 751
98 Arthur Falcone Residential Real Estate Ideas To Promote Your Property More Quickly Arthur Falcone 2015-01-06 735
97 If You Want To Be A Winner, Change Your Createurs De Luxe Philosophy Now! Createurs de Luxe 2015-01-06 735
96 Excellent Recommendations On Deciding On The Best Kind Of Attorney criminal defense lawyer salary 2015-01-06 734
95 The Steps You Should Find The Best Legal Professional criminal lawyer job description 2015-01-06 728
94 Reasons Why You Should Think About Employing A Lawyer criminal attorneys 2015-01-06 722
93 Great Tips In Selecting A Pi Lawyer Or Lawyer In La County image this website 2015-01-07 715
92 Amir Hasan Mojiri Strike A Star In The Soccer Pool Forum image Amir Hasan Mojiri 2015-01-06 711
91 Vincent Malfitano Help! image Vincent Malfitano 2015-01-07 710
90 Suggestions On Finding The Best Lawyer Possible cobb county dui attorney 2015-01-06 710
89 Cheap Christian Louboutin Shoes Can Be Fun For Everyone cheap christian louboutin 2015-01-06 705
88 A Guide To Realistic Networking Advice hosting coupons 2015-01-06 702
87 10 Essential Elements For Keir Majarrez Keir Majarrez 2015-01-06 699
86 Chop-e Galvanizing 2-wheelwright Defies Soft Categorization image electric scooter 2015-01-05 699
85 Clear-Cut Products For Top Locksmith - An Update click through the up coming page 2015-01-06 697
84 What Donald Trump Can Teach You About Arthur Falcone Arthur Falcone 2015-01-07 695
83 The Methods You Should Find A Very Good Lawyer dui attorney san francisco 2015-01-05 694
82 Nike Air Jordan- Sports Sneakers With Fashion Tides image chdumon.com 2015-01-06 672