Shotgun rounds are brass-and-plastic cylinders densely packed with gunpowder and tiny pellets, or shot.
Instead of gunpowder or rocket motors, the railgun will use electrical power to propel the projectiles.
It said gunpowder or powder from fireworks can be used as a substitute for match heads.
It was all right being a knight until gunpowder and muskets and .22 pistols came along.
For approximately fifteen minutes, a 10, 000-meter barricade of fire was sustained with 1300 pounds of gunpowder.
' People started to talk about it and the word of mouth spread like a trail of gunpowder.
This wastes time and gunpowder, but it was the best that any Navy could do at the time.
The China that invented gunpowder and paper is also known for its poetry.
WHITEHOUSE: President Obama Presents Medals in Arts and Humanities
Unlike the Gunpowder Plot, Mr Blair's attempt to rearrange the British constitution cannot be given a single neat date.
Workers immediately called 911, and technicians determined that the gunpowder was still active.
Thomas Moore, Charles I and the Gunpowder Plotters were all tried here, and it was the setting for coronation banquets.
Then Dietzel told me to go wash my hands, to get the gunpowder off, while he went to clean the gun.
Nine hours after the explosion, the regional Basque government said explosives, probably gunpowder, had been concealed inside the toy, Reuters reported.
The uncle was suspicious that the gunpowder was bewitched, tried to neutralise it with fire, and in the resulting explosion was killed.
Singer believes that the drones will be as transformative as the advent of gunpowder, the steam engine, the automobile, or the computer.
In the backpack were fireworks that had been emptied of their gunpowder.
Like a modern-day Prospero, Mr Cai uses gunpowder to harness the elements.
Common uses for black powder include as gunpowder in muzzle-loading guns, as a blasting powder and as a propellant in rockets for fireworks.
China, a country with over 4500 years of recorded history, gave the world, gunpowder, paper, compasses, movable type, and even the seismological detector.
FORBES: China's First Manned Docking of Space Module Is a Success...and a First Step
Gunpowder, textile arts, machinery, laws, telephones are not themselves transmitted from man to man or from generation to generation, at least not permanently.
FORBES: Dear Apple: Why Are You So Afraid Of Google, Android, And Samsung Group?
In 1267, legendary English scientist Roger Bacon published a recipe for gunpowder, and by the late 1300s, handheld, muzzle-loading pistols were common in Europe.
The law is designed to keep dangerous materials, such as dynamite, fireworks and gunpowder, out of the hands of terrorists--at least, that's the plan.
The Tudor building started by Sir Thomas Tresham was never finished after the family fell out of favour for being associated with the Gunpowder Plot.
Gunpowder had already been invented in China but had not resulted in the sort of sophisticated military weaponry that the Europeans would develop from it.
One somewhat practical application, they say, might also be for game play, where, say, a shooting game could be programmed to release the smell of gunpowder.
Gunpowder may date back as far as the 4th century, when it was invented in China--perhaps by someone trying to mix sulfur, charcoal and saltpeter into medicine.
Workers cleaning a cannon, last fired more than 200 years ago, were shocked to find Friday that it was still loaded with gunpowder, wadding and a cannonball.
While he was giving Campbell CPR, he noticed black marks on her face, which he thinks might have been gunpowder, indicating she was very close to the blast.
Wouldn't we teach a scientist that lighting gunpowder is dangerous?
Q-tips only compact the wax like gunpowder in a cannon.
FORBES: A Baker's Dozen Of Medical Myths That Concern Your Eyes
应用推荐