Amazing Experiments with Science Bob Pflugfelder

>>Jimmy: THANK YOU FOR COMING. >>EXCITEMENT FOR SCIENCE. >>Jimmy: THIS IS YOUR 15th TIME ON THE SHOW, DID YOU KNOW THAT?>>WOW. >>Jimmy: WE STILL HAVE ALL OUR FINGERS. >>SO FAR, YEAH, WOW. >>Jimmy: IT’S REALLY WONDERFUL. WHAT ARE WE GOING TO DO HERE TONIGHT, SCIENCE BOB?>>YOU KNOW I LOVE MY FAVORITE LIQUID, LIQUID NITROGEN. >>Jimmy: YOU DO LOVE LIQUID NITROGEN, THE NUMBER ONE CONSUMER OF LIQUID NITROGEN I KNOW. >>GRAB THOSE GLOVES, PUT SOME GLOVES ON. THIS IS A CONTAINER OF LIQUID NITROGEN. NITROGEN IS 80% WHAT WAS WE BREATHE. IF THEY COMPRESS THAT, IT GETS VERY, VERY COLD. AND IT’S 321 DEGREES BELOW ZERO FAHRENHEIT. VERY, VERY COLD. >>Jimmy: IT’S COLD, YES. IF THAT WAS A POOL YOU’D NEVER GET IN THERE. >>NO, IT WOULD BE THE LAST THING YOU DID. SO IF YOU POUR THIS ON THE GROUND OR IF YOU POUR THIS ON A FLAT SURFACE, GO AHEAD AND GIVE IT A TRY. SEE HOW IT DISTANCES ACROSS. ALMOST LIKE ANTI-GRAVITY, RIGHT?>>Jimmy: YEAH IT’S GREAT. >>SO THERE’S A NAME FOR THAT. IT’S CALLED THE LEIDENFROST EFFECT. >>Jimmy: OH. IS THAT ANY RELATION TO AUGUST KUNDT? [ LAUGHTER ]>>NO, NO. I DON’T KNOW IF THEY EVER GOT ALONG OR NOT. SO I THOUGHT I’D GIVE YOU A TRY AT HOME EXPERIMENT. THESE ARE LITTLE POLYMER ORBS. THEY START OFF AS BBs. PUT THEM IN WATER OVERNIGHT, THEY GET SQUISHY POLYMER ORBS.>>WHERE DO YOU GET THESE?>>FLORISTS USE THEM, TOY STORES, THEY’RE SORT OF A TOY ITEM. TAKE THAT AND PUT IT — WE HAVE A VERY HOT PAN. THIS IS LIKE LIQUID NITROGEN GOING ON A SURFACE. BECAUSE THE FLOOR TO LIQUID NITROGEN IS SUPER, SUPER HOT. IF YOU PUT THAT IN THERE, WHAT ENDS UP HAPPENING — [ LAUGHTER ] TRY ANOTHER. >>Jimmy: BE MORE GENTLE?>>THE GLOVES ON –>>. >>Jimmy: WHY DID YOU TELL ME TO PUT THE GLOVES ON?>>FOR THE FROST. >>Jimmy: SO PRETTY.>>THAT GOES IN THERE. SEE HOW IT DANCES AROUND? WHEN IT TOUCHES THE PAN IT EMITS A BURST OF STEAM. AND THAT ACTUALLY GETS IT DANCING AROUND. YOU CAN PUT SOME MORE IF YOU WANT.>>Jimmy: OH, LOOK AT THAT.>>ISN’T THAT CUTE? LA [ CHEERS AND APPLAUSE ]>>Jimmy: WOW. AND HOW LONG WILL THEY GO ON LIKE THAT?>>AS LONG AS — UNTIL THEY ALL DRY UP. YOU CAN TRY IT AT HOME. YOU NEED VERY HOT PAN. AND BE CAREFUL. >>Jimmy: THE KIDS WOULD LOVE THAT. >>YEAH, YEAH. I LIKE THE SOUND. >>Jimmy: I COULD WATCH THIS FOR LIKE AN HOUR. [ LAUGHTER ] YOU KNOW THEY HAVE CHANNELS WITH WEIRD STUFF LIKE THIS. OKAY, ALL RIGHT. GOOD, ALL RIGHT.>>LET IT COOL OFF. >>Jimmy: WOW, LIKE HAUNTED JELLYBEANS. >>I DON’T KNOW HOW LONG IT TAKES TO STOP. >>Jimmy: ALL RIGHT, WE’LL FIND OUT, I GUESS.>>NOW WE’RE GOING TO TAKE THAT IDEA AND SHOW ANOTHER COOL FEATURE ABOUT LIQUID NITROGEN, WHICH IS THAT IT EXPANDS A LOT WHIT GOES FROM LIQUID TO GAS. WE’RE GOING TO TAKE ADVANTAGE OF THAT. >>Jimmy: SHOULD I PUT MY GLOVES BACK ON?>>WE’VE GOT NEW GLOVES IF YOU WANT. >>Jimmy: DIFFERENT GLOVES FOR EVERYTHING, HOW ABOUT THAT. >>SO WHAT YOU’RE GOING TO DO IS I’VE GOT A LITTLE CONTAINER OF LIQUID NITROGEN HERE. AND THEN I’VE GOT A PING-PONG BALL.>>Jimmy: WHY DO THEY LOOK LIKE THAT?>>YOU’LL SEE WHY. BECAUSE I’VE POKED A TINY LITTLE HOLE INSIDE OF ONE SIDE, THE YELLOW SIDE, ANOTHER ONE INSIDE THE BLACK ONE. >>Jimmy: OKAY. >>WHAT WE WANT TO DO IS FILL IT UP WITH LIQUID NITROGEN AS MUCH AS WE CAN. AND THEN WHITEN IT EXPANDS, JET OF NITROGEN GAS WILL COME OUT OF HERE, THAT SHOULD CAUSE IT TO SPIN AROUND. >>Jimmy: AWESOME. >>GRAB A LITTLE CLAMP HERE. >>Jimmy: OKAY. >>WE’RE GOING TO — PICK UP ONE OF THOSE.>>Jimmy: ALL RIGHT. >>IT’S A YELLOW AND BLACK, KIND OF HELPS US KNOW WHETHER OR NOT IT’S SPINNING.>>I SEE, VERY GOOD. >>GO AHEAD AND DIP THAT SO IT’S WHOLLY SUBMERGED. >>Jimmy: OKAY. >>SUBMERGE THAT IN, I’LL GET ONE TOO, ANOTHER ONE. NOW BECAUSE THE AIR IN THERE IS COMPRESSING, IT’S DRAWING IN THE LIQUID NITROGEN. >>Jimmy: YEAH, I KNOW. [ LAUGHTER ]>>GET A LITTLE BIT IN THERE. ALL RIGHT. AND THAT SHOULD BE GOOD ENOUGH. GO AHEAD AND POP THAT INTO THAT TRAY THERE. >>Jimmy: OKAY. WHAT IF WE PUT ONE IN THE FRYING PAN? WOULD ANYTHING CRAZY HAPPEN? OH, LOOK AT THAT. >>ISN’T THAT GREAT?>>Jimmy: THAT IS GOOD. [ APPLAUSE ]>>YOU CAN SEE THAT SPINNING EFFECT.>>Jimmy: YEAH. ALL RIGHT.>>THERE WE GO. >>Jimmy: AND NOW WE HAVE?>>I’LL SHOW YOU A DIFFERENT VERSION OF IT. >>Jimmy: OKAY, GOOD, ALL RIGHT.>>THIS IS A LARGER VERSION OF A HERO’S ENGINE. NORMALLY THEY’D PUT A LITTLE WATER IN HERE. THEY’D PUT STEAM. THEN WE HAVE OPPOSING JETS HERE THAT WOULD THEN SPIN IT AROUND. BUT WE DON’T REALLY HAVE TIME FOR THE WHOLE HEAT THING.>>Jimmy: OKAY. >>SO WE ARE GOING TO USE OUR LIQUID NITROGEN. >>Jimmy: THANK YOU.>>ALL RIGHT. >>Jimmy: YOU KNOW IT GETS SERIOUS WHEN THE MASKS COME OUT.>>OH, YEAH. NOW HERE’S THE THING. YOU ENJOY CHOCOLATE MILK?>>Jimmy: WHAT?>>CHOCOLATE MILL INCOME. >>Jimmy: CAN’T HEAR YOU. >>CHOCOLATE — LET’S SAY YOU GO TO MAKE A LITTLE BIT OF CHOCOLATE MILK, RIGHT?>>Jimmy: THIS IS NOT HOW I DO IT. >>THIS IS NOT?>>Jimmy: NO, WE USE A SPOON. >>OH, WELL SEE, THAT’S THE THING. WHAT IF YOU DON’T HAVE A SPOON? HERE, TAKE THAT. >>Jimmy: ALL RIGHT. >>SO POUR IN CHOCOLATE MILK — I DON’T KNOW HOW MUCH CHOCOLATE YOU LIKE IN THERE. >>Jimmy: A LOT IS THE ANSWER. ALL RIGHT.>>THAT’S GOOD. >>Jimmy: OKAY.>>ALL RIGHT. SO WHAT IF YOU WANT CHOCOLATE MILK AND YOU DON’T HAVE A SPOON? YOU DON’T HAVE A SPOON, BUT YOU DO HAVE A 12-INCH STAINLESS STEEL SPHERE AND LIQUID NITROGEN. THIS IS THE WAY TO GO. >>Jimmy: OKAY. >>WOULD YOU MEASURE, FILL THAT CUP WITH LIQUID NITROGEN. >>Jimmy: WHERE WILL WE GET LIQUID NITROGEN? RIGHT HERE. >>GO TO YOUR PANTRY. NOW WE’RE GOING TO POUR THAT INTO OUR HERO’S ENGINE. >>Jimmy: OKAY.>>THERE WE GO. OH, YEAH, IT’S GOING IN — >>Jimmy: IS THAT ENOUGH?>>YEAH. >>Jimmy: LET’S DO ALL OF IT.>>OH, MAN.>>Jimmy: YEAH. LET’S REALLY BLOW THE LID OFF THIS THING. OKAY, ALL RIGHT. >>WHICH WE ACTUALLY MIGHT DO. >>Jimmy: OKAY.>>ALL RIGHT, THERE WE GO. >>Jimmy: AGAIN, WE’RE MAKING CHOCOLATE MILK. [ LAUGHTER ] AT THE END OF THIS DEMONSTRATION, THERE LAB A GLASS OF CHOCOLATE MILK. >>LET’S SEE IF WE HAVE ANY BETTER LUCK. GIVE IT A HEAD START. OH, I THINK — I THINK IT’S — OH, I CAN FEEL IT NOW.>>Jimmy: YEAH. OH, YEAH. OH, YEAH. WE’RE GOING, JIMMY. >>Jimmy: IT’S GOING. >>LOOK AT IT!>>Jimmy: HERE WE GO. [ CHEERS AND APPLAUSE ]>>WOW!>>Jimmy: OH MY GOD, IT’S GOING TO BLOW!>>I THINK IT’S WORKING! OH MY GOODNESS! I THINK IT’S WORKING. WAIT! MAYBE WE PUT TOO MUCH IN.>>Jimmy: HOLD ON, I’LL GET THE TONGS!>>I’M GOING IN, I’M GOING IN. HOLD ON. AAH! [ CHEERS AND APPLAUSE ]>>Jimmy: IT’S INCREDIBLE!>>YES! [ CHEERS AND APPLAUSE ]>>Jimmy: WHEN WE COME BACK, WE’RE GOING TO HAVE FIRE WHEN WE COME BACK?>>THERE WILL BE FIRE. >>Jimmy: WE’RE GOING TO HAVE FIRE WHEN WE COME BACK, WE’LL BE RIGHT BACK.>>Jimmy: WE’RE BACK WITH SCIENCE BOB PFLUGFELDER. WHY ARE WE DRESSED LIKE BAKED POTATOES?>>THESE ARE FIRE CHUTES. THEY’RE NOT JUST SCFOR SHOW, WEL NEED THESE. >>Jimmy: WHY ISN’T ANYBODY ELSE IN A FIRE SUIT? WE’RE GOING TO RELEASE TOXIC GAS, HOLD YOUR BREATH, EVERYBODY WILL BE FINE. >>EVERYBODY WILL BE GREAT. >>Jimmy: WHAT ARE WE GOING TO DO HERE?>>A LONG TIME AGO, THIS IS ONE OF THESE WONDERFUL SCIENTIFIC ACCIDENTS. >>Jimmy: OKAY. >>THIS IS JUST REGULAR COTTON, LIKE ANY COTTON YOU’D FIND. BUT THERE’S A LITTLE ACCIDENT AND IT GOT MIXED, BACK IN THE 1800s, GOT MIXED WITH SOME SULFURIC ACID AND NIGHT TRICK A ACID. >>Jimmy: THAT HAPPENS TO ME SOMETIMES. >>IT CREATES OF COURSE NITROCELLULOSE. WHICH CHANGES THE MOLECULAR BONDS AND INSTEAD OF BECOMING COTTON IT BECOMES GUN COTTON. >>Jimmy: I LIKE IT. >>IT BURNS MUCH, MUCH DIFFERENT. IF YOU WERE TO BURN THIS WITH JUST REGULAR COTTON, PROBABLY TAKE A MINUTE OR TWO TO BURN. BUT YOU’VE GOT TO — GET ONE OF THOSE LITTLE LIGHTERS THERE. AND I’LL HOLD THIS OUT. AND WE’LL SEE HOW GUN COTTON BURNS. >>Jimmy: ALL RIGHT. THIS IS NOW BURNING GUN COTTON. GEEZ! WHAT THE HELL! [ APPLAUSE ]>>I KNOW.>>Jimmy: IT DIDN’T BURN, IT DISAPPEARED. >>NO SMOKE, NO ASHES.>>IT’S THE PERFECT CRIME!>>SO THEY ACTUALLY ENDED UP USING THIS IN WORLD WAR II, IN BATTLESHIPS. IT WAS PRETTY COOL? OKAY. >>IF YOU TAKE THAT AND COMPRESS IT, THEN YOU GET MORE OF SOMETHING LIKE A WEAPON. >>Jimmy: OH, GREAT. >>WE’VE GOT A LITTLE GUN COTTON AT THE BOTTOM OF THIS, WE THOUGHT, WE COULD SHOOT IT OFF. MAGICIANS SOMETIMES USE THIS STUFF. LET’S HAVE A LITTLE FUN WITH IT. BEHIND US IS A SERIES OF 32 BALLOONS.>>RIGHT. >>HOWEVER, UNLIKE BEING FILLED WITH AIR OR HELIUM, THESE ARE FILLED WITH HYDROGEN GAS WHICH IS KIND OF FLAMMABLE. >>Jimmy: OKAY. GREAT. >>WE’RE GOING TO — >>Jimmy: THIS COULD HAVE KILLED THAT CLOWN IN THE MOVIE “IT.”>>I KNOW. [ LAUGHTER ] WE’RE GOING TO HAVE YOU FIRE GUN COTTON AT THAT FIRST BALLOON. >>Jimmy: GREAT. >>THAT’S GOING TO EXPLODE AND WE’RE GOING TO SEE IF WE CAN CREATE A CHAIN REACTION THAT WILL BLOW ALL THESE BALLOONS. >>Jimmy: I WOULD LOVE TO. >>IF IT WORKS, IT WILL GO IN LIKE A SECOND. >>Jimmy: OKAY. >>BUT WE’VE NEVER ACTUALLY TRIED IT AT THIS SCALE. >>Jimmy: OH, OKAY, GREAT.>>YEAH. >>Jimmy: I NEED TO PUT THIS ON?>>YEAH LET’S GET THIS ON. >>Jimmy: OKAY. >>HYDROGEN BURNS AT ABOUT 1,000 DEGREES. >>Jimmy: EVERYBODY KNOWS, BOB. [ LAUGHTER ]>>AND TURN AND FACE THAT BALLOON. AND THEN COME DOWN ON YOUR KNEES SNIPER STYLE. >>Jimmy: ARE YOU PUTTING THAT THING UP MY BUTT? [ LAUGHTER ]>>COME ON DOWN, COME DOWN HERE.>>Jimmy: ALL RIGHT. >>HERE WE GO, THAT’S GREAT. ALL RIGHT, HERE IS YOUR HARRY POTTER WAND. >>Jimmy: OKAY. >>I’M GOING TO LIGHT THE END OF IT AND YOU’RE GOING TO POINT IT AT THAT BALLOON. ARE YOU READY?>>Jimmy: I’M READY, YEAH. >>THERE WE GO. IN THREE, TWO, ONE — [ CHEERS AND APPLAUSE ]>>Jimmy: WOW. AWESOME. HOW ABOUT THAT. INSTANT REPLAY. >>LOOK AT THAT. >>Jimmy: HOW, THIS IS HOW WE’RE GOING TO DEFEAT NORTH KOREA, EVERYBODY! [ CHEERS AND APPLAUSE ] SCIENCE BOB PFLUGFELDER, THANK YOU, SCIENCE BOB, MUCH APPRECIATED.