It was the most destructive conflict in US history – but the American Civil War also saw the emergence of new technologies and innovations born from a will to win.

The Russian space agency is planning to get rid of space debris by shooting it with a laser cannon, reports RT.

How did the civilans suffer? Did the British army always agree with what they were doing? How was the British artillery used across the St. Lawrence river? The Battle For North America, Part 7

Benjamin Abelow holds a B.A. in modern European history from the University of Pennsylvania, where he participated in an honors seminar on U.S. Cold War foreign policy taught by the scholar Marc Tractenberg. He then worked in Washington,...

The gunner of a Ukrainian BTR-4 fighting vehicle had his helmet cam on when he engaged multiple Russian tanks and APCs in a deadly motorized street fight. The result is a fascinating look at the high-risk game of modern motorized warfare.

MOT 1939: US TERRITORY OF GUAM: Silhouette of man throwing fishing net into water w/ palm tree FG. Indigenous people praying in church. Priest. Spanish-American War cannon. Chamorro (Mariana Islands Indigenous people) U.S. Navy sailors...

VS Mount Suribachi being bombarded w/ explosions, Navy battleship firing cannons just off shore at sea / VS Admiral Richmond Kelly Turner looking over notes, various radio operators in communication room, one writing on board, seaman on...

What happens when you shoot a ballistic ping pong ball going 450kph at a tennis ball?

MOT 1951: RUSSIAN ARMY: SOLDIERS & TANKS: HA WS Russian troops marching. VS Variation of T-43 Russian Tank driving over hills. MS T-41 up hill on dirt road. Korean War Soviet Union

MS Norwegian battleship (possibly given by US) LA MS Norway flag MS Norwegian sailors loading torpedo into tube CU Sailor working WS Deck cannon firing.

MOT 1945: IWO JIMA: WS Battleship firing cannon guns. LS Battleship firing guns. US Marines in Higgins landing craft (LCVP) on ocean. HA WS Shells hitting water near moving landing craft. US Marines hurry out of landing vehicle. WWII.

various US Marines (4th & 5th Division) climbing down net on side of transport ship, boarding landing crafts, Navy fleet just off shore, bombing / VS United States Marines in landing craft, moving toward island of Iwo Jima for amphibious...

VS United States Sherman tanks firing cannon, US Marine running on uneven terrain, taking cover from machine gun fire, soldiers firing flamethrowers, burning ridge area.

VS US Marine, artillery division, loading artillery cannons & firing, explosions along Northern Iwo Jima / MS Soldier on telephone radio / VS Rocket launcher trucks firing artillery shells, quickly repositioning, US Marines carrying...

VS US Marines maneuvering on beach of Iwo Jima, explosions, soldiers (28th Regiment) spread across island, soldiers & artillery cannons in ditches firing upon Mount Suribachi, aka Hot Rocks.

A halloween classic on Cooking Up a Story, one of the more fun loving and inventive farmers we have met over the years, Farmer Don at his annual pumpkin shooting event.

VS 12th Marine artillery regiment (unconfirmed) on beach w/ cannons firing on Mount Suribachi, aka Hot Rocks, various explosions & smoke, firing, reloading shells.

A Chinese cyberweapon dubbed the Great Cannon is launching DDoS attacks on a Hong Kong webform after years of silence, AT&T Cybersecurity reported on Wednesday.

This lesson will review and provide practice on how to use the quadratic formula. Learn to develop good habits using the formula and what different outcomes mean to the solution.

It explains gravitation, force of gravity and gravitational force. It talks about the universal law of gravitation and its importance.

What is acceleration? Learn how to calculate the average acceleration of an object.<br/>
Velocity and Acceleration In One Dimension, Part 4

Today, Texas is famous around the world as being the most American state of them all – but it once belonged to Mexico. For almost a decade, it was an independent republic.

One of the most important battles in US history was the Battle of the Alamo. While most people know about the outcome of the battle, do you know what happened before the Alamo? Thanks to the glamour of Hollywood cinema, everyone...

Hamlet, Considered by many authorities as Shakespeare’s greatest play, Hamlet may also be the most representative character in all-dramatic literature. It’s a classic tragedy of a young prince torn by indecision. The scene is set, the...