Blue skies are beautiful, soothing, and inspiring – offering us our daily dose of motivation. Have you ever found yourself asking why the sky is blue? Many curious individuals do, and while there may be several reasons for its color, one in particular stands out: atmospheric conditions. The Sun A clear blue sky symbolizes hope,…
As sunlight passes through Earth’s atmosphere, it becomes blue due to scattering caused by Rayleigh Scattering as well as other effects. Light rays are dispersed into all directions by oxygen and nitrogen molecules in the atmosphere, with blue wavelengths dispersing more widely than red ones – giving sky its distinctive hue. Rayleigh Scattering As light…
Ancient astronomers were mystified by the Red Planet’s seemingly random movement across the sky, sometimes moving in line with its celestial neighbors (prograde motion) or in reverse (retrograde). Although Mars and Earth share many similarities, they differ greatly in many aspects. Atmosphere Mars has an extremely tenuous atmosphere with pressure that is less than 1…
Students will discover the various stages in a butterfly’s life cycle – eggs, larva, pupa and adult stages are discussed here. Female butterflies lay many eggs to increase the chances of their offspring’s survival. To do this, they select an appropriate plant species and place their eggs under its leaves. Egg A butterfly begins its…
Seeds require heat, air and water in order to germinate. As they grow, photosynthesis occurs which creates food for them. Flowers attract insects that help in their reproduction process by using its vibrant petals as bait for reproduction. Male parts are known as stamens; each contains a long filament with an anthers producing pollen grains….
Apollo relied heavily on aeronautical and hardware engineering for success; but software engineering also played an essential part. At its heart was the Apollo Guidance Computer located within both Command Module and Lunar Module spacecraft. At its time, this machine had the computing power of a pocket calculator and stored its code using core rope…
The Smithsonian has published a high-resolution scan of Apollo 11 command module Columbia that is freely available online and includes data files suitable for 3D printing or VR viewing. If we ever want to build long-duration bases in space, astronauts will require the ability to manufacture their own tools – this is where additive manufacturing…
The Sky Tower stands as an icon on the city skyline and can be seen for miles around. Built of steel, its 105-meter height ensures it can withstand earthquakes with high magnitude as well as strong winds. The tower lights up in various colors to symbolize respect and solidarity for charities, community initiatives, holidays and…
Apis mellifera) is a social, flying insect with three components – queen, worker bees and drones. Workers possess stingers but drones do not. Bees are fascinating creatures with many incredible facts. Some are general while others address specific areas of scientific study or historical relevance – they can even recognize faces! 1. They have five…
