Lewis and Clark’s Air Rifle

by | Jan 31, 2013 | Education, Science

An 8 minute history lesson about the power of an air rifle.

[youtube http://www.youtube.com/watch?v=-pqFyKh-rUI]

Related Posts

Sun to Flip its Magnetic Field Soon

The sun’s magnetic field is expected to flip in the next three to four months and it could lead to changes in our climate, storms and disruption to satellites. This solar event only happens once every 11 years and signals what physicists call the Solar Maximum - a...

Feds Ask Web Firms For Account Passwords

The U.S. government has demanded that major Internet companies divulge users' stored passwords, according to two industry sources familiar with these orders, which represent an escalation in surveillance techniques that has not previously been disclosed. If the...