Drinking Straw Hydrometer
Drinking straw hydrometer
Take a drinking straw about 20 cm long. Seal one end with wax, and introduce some lead shot or fine sand until it floats in a vertical position. Then drop…
Mystic Roller- a test for Newton’s laws
Materials required: A Cylindrical Plastic Jar Rubber band A Heavy Nut Thread Wire steel or copper Pliar scissors A nail to make holes Video|Step 20 : Now we are done,…
Communication System
Denice is asking to his uncle Bean, why mobile phone towers are usually made so high while we can use intercom phone without using such big towers? Do you know…
Image Credits: NASA| The Kuiper Belt
THE KUIPER BELT
THE KUIPER BELT The Kuiper Belt: The issues surrounding the discovery of astrophysical objects can be complex. Sometimes these objects get discovered by chance and on other occasions, their existence is…
Description:Timeline of the metric expansion of space, where space (including hypothetical non-observable portions of the universe) is represented at each time by the circular sections. On the left, the dramatic expansion occurs in the inflationary epoch; and at the center, the expansion accelerates (artist's concept; not to scale).
Source: Wikipedia
Hundred years of cosmology
Over the past four centuries, we have witnessed a huge and rapid growth in our understanding of the Universe. It started with the ideas on Gravitation and Celestial Mechanics in…
Light pollution
Light plays an important role in our life. It is one of the sources of our energy. Light gives us safety in the night and most of the crimes take…
Scienceteen Magazine December February 2018
DescriptionDownloadContents Description Free Science Magazine The cover story is “A Quantum Dolly is an impossibility!” By Prof. N.D. Hari Dass TIFR-TCIS, Hyderabad which explains that Xerox copying is a classical…
Laser plasma acclerator
Laser-driven plasma-based electron accelerator was proposed three decades ago by Tajima and Dawson in 1983. Since then continuous research and developments are undergoing all over the world in this field.…
Metaphysics
With Heisenberg’s discovery of uncertainty principle in 1927, uncertainty entered in the realm of physics. Means exact nature of outside reality can never be observed by any scientific instrument (microscope)…
Supercomputers
Supercomputing is the silent power behind many recent innovations. Like, when we hear about the discovery of a new drug or method to cure Cancer using personalized immunotherapy. Mapping of…