What Is an Icebreaker?
What Is an Icebreaker? Icebreaker is a ship which is specially shaped and strengthened so that it can cut through ice-fields which would stop or crush an ordinary...
Read MoreWhat Is an Icebreaker? Icebreaker is a ship which is specially shaped and strengthened so that it can cut through ice-fields which would stop or crush an ordinary...
Read MoreWhen Is the Earth Nearest the Sun? The Earth is nearest to the Sun on about the second or third day in January. The distance varies because the Earth spins round the...
Read MoreWhat Is Radar? Radar, or radiolocation, as it was called in the early days, is the use of radio waves to find the whereabouts of aircraft or ships. Electromagnetic...
Read MoreWhy Does a Tornado Suck up Everything in Its Path? A tornado has a strong lifting force due to the updraft of air in the funnel. Tornadoes start in thunderstorm...
Read MoreWhy Does Lightning Always Strike the Highest Object Around? Lightning is usually attracted to tall structures. Lightning is an electric spark that tries to bridge the...
Read More