Antique Beautiful 10" Sand Timer Brass Nautical Wooden Base 15 Minutes Hour Glass Unique Sand Watch 15 min Hour Glass with Black Sand Best for All Pur..
ISRO Expandable Metal Bookends, Adjustable Book Ends Heavy Duty Book Holder Desktop Book Stand Non-Skid Desk Organizer for Kids, Student, Office, Scho..
Real looking 3-D model of Indian remote sensing satellite – Resourcesat-1 do it yourself kit.Kit Includes : Die punch hard paper parts, Straw, Board..
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Build your own PERISCOPE and scan the horizon without being seen ! A unique and fascinating spying toy which also teaches scientific principl..
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A theodolite is an instrument used for surveying. It is used mostly for geodetic engineering. This instrument consis of a pair of graduated c..
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Do it yourself multy application of Solar Energy 1. Solar Energy in to Light Energy 2. Solar Energy in to Sound Energy 3. Solar Energy in to ..
ISO-approved solar-eclipse glasses.· No more than 0.00032 percent of the sun's light may be transmitted through the filters.· The filters must be free of any defects, such as scratches, bubbles and dents.· Handheld viewers must be large enough to cover both eyes...
Celestron has reinvented the manual telescope with StarSense Explorer—the first telescope that uses your smartphone to analyze the night sky and calculate its position in real time. StarSense Explorer is ideal for beginners thanks to the app’s user-friendly interface and detailed tutorials. It’s lik..
Celestron has reinvented the manual telescope with StarSense Explorer—the first telescope that uses your smartphone to analyze the night sky and calculate its position in real time. StarSense Explorer is ideal for beginners thanks to the app’s user-friendly interface and detailed tutorials. It’s lik..
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A Single unit cell of NaCl,_x000D_
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In the rock-salt or sodium chloride structure, rach of the two atom types(Na & Cl ) forms a separate face-centered cubic lattice interpenetrating so as to form a 3D checkboard pattern._x000D_..