READ THE TEXT, THEN WATCH CLIP(click picture)
old but still good, turn up volume..............................
How many times have you wondered how strong those cement barriers are that you see in front of military base entrances????
"From time to time someone asks me what the concrete barriers are in front of controlled and secure buildings. When I tell them that the barriers will stop Traffic, even trucks, from approaching the secure building I usually get a look of disbelief. I've been looking for some footage like this to prove my point. In this test, the following parameters were used.
Read them and then watch the film Clip."
**Truck = 65,000 lbs.**
**Speed = 50 mph**
**Kinetic Energy = 5.5 MILLION ft. lbs.** **Stopped in 24 inches !!!**
E. L. D., E.I.T.
Assistant Traffic Engineer
County Highway District
now, if only we could do that at the microscopic scale to the cold virus before it breaks into the cells!