An iowa teacher invents a school door lock which is designed to be installed in seconds to keep dangerous intruders out of classrooms.
Student invents door lock.
This lock worked using a large wooden bolt to secure a door which had a slot with several holes in its upper surface.
Archeologists found the oldest known lock in the khorsabad palace ruins near nineveh.
A team of high school students from benjamin banneker high school in washington d c is developing an emergency door locking system to protect classrooms from active shooters.
A wi student invents a door protection tool duration.
Teacherlock is fast effective and affordable.
Whdh a high school student in wisconsin invented a door lock device that could save lives during a school shooting.
Teacherlock is the 1 rated classroom door lockdown device and the first defense against active shooters.
Justin rivard a senior in high school said he came up with the idea.
Tom jelneck on fox 35.
Students show off inventions at white house science fair duration.
The robotics club at benjamin banneker designed an emergency door lock prototype called deadstop developed to be affordable detachable and easy to lock on to the door in the case of an active.
Wisconsin teen invents device to protect students during a shooting fox news fox news.
You don t want to use it but just in case you need it it ll be there.
The lock was estimated to be 4 000 years old.
Justin rivard a student at somerset high school in wisconsin created the justinkase.
Are smart door locks really safe.
With the rise in school shootings one student in wisconsin says he has created a device that can help keep students safe during an active shooter situation.
It was a forerunner to a pin tumbler type of lock and a common egyptian lock for the time.