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La Minute Sciences
Lycée Touchard-Washington
Année 2018, n°9
Spécial ciné-sciences
Dans ce numéro :
Ciné-Sciences en espa- p2
gnol
Ciné-Sciences en An- p4
glais
Ciné-Sciences Trilingue p6
Appel à textes p8
Jurassic park p4
Matrix p3
Ciné-sciences en espagnol
Ciné-sciences en Anglais
Ready player one p4
International Klein Blue
Ciné-science espagnol
Possible ou impossible ?
Dans le numéro précédent, les élè- sur des scènes de films lors de l’en- résumé, et un modèle est proposé.
ves de 505 vous avaient présenté seignement de DNL. Voici les répon-
des questions qu’ils s’étaient posés ses. Pour chaque scène, le film est
Spiderman
Spiderman confia en la fuerza de
sus pies y brazos para aferrarse a
las paredes. Para permanecer bien
enganchado, todas las fuerzas del
cuerpo deben concentrarse en el
centro del cuerpo. Si todas la fuer-
zas dibujadas aquí se compensan
(F4+F2+F5=F8 y F1+F6=F9+F7)
Spiderman no se cae !
Louanne y Clarisse
Bilan des actions exercées sur spiderman
Kung Fu Panda
el tigre està en una piedra que se
mueve, su velocidad va a cambiar.
Energía necesaria para alcanzar
Energía que da el tigre saltando :
Si el
Le film Kung Fu panda salto es posible
En esta película, un tigre salta de Yann y Matéo
: m es la
piedra en piedra mientras que las
masa del tigre y g la acceleración
piedras están cayendo. Queremos
de la gravedad que vale 9,81m/s2.
saber si es posible que el tigre tenga
suficiente energía para alcanzar la Así cuando la piedra está cayendo
piedra a pesar que esta sea más h2 disminuye y le necesita menos
rapida que el tigre. energía al tigre para alcanzarla.
Para demostrar si eso es posible Pero, el problema es que es la
vamos a calcular la energía poten- fuerza de su salto que le da al tigre
cial : para pasar de una altitud h1 a su energía.
una altitud h2 la energía potencial
que debe ganar el tigre es La energía es : F es
la fuerza del salto, v la velocidad
del tigre y t el tiempo del salto. Si modèle
Page 2 La Minute Sciences
Titanic
Newton
Se puede calcular la fuerza de Ar-
químedes, F, que se opone a estas
fuerzas. F=1000*Vi*g dónde Vi es el
volumen de madera que esta dentro
del agua (consideramos que hay
18centimetros del tablero dentro del
agua) : F=1000*(0,19*0,5*0,2)
*10=1620 Newton
Para concluir hay una fuerza de
700+500+1098 Newton que va den-
tro del agua y una fuerza de 1620
En el escenario, al Le film Titanic
Newton que se opone… no es sufi-
fin de la historia, ciente para flotar ! Sin embargo,
50*10=500 Newton Rose lleva un chaleco salvavido : si
había dos personajes, Rose, en un
tablero y Jack que se queda en el - el de Jack debe ser de 70*10=700 pone el chaleco por debajo de la
agua. Haría sido posible para los Newton. puerta podría recuperar la flotación
dos personajes subir en el tablero ? adicional para salvar la vida de
- El tablero de madera tiene un volu-
El peso de un objeto es su masa Jack.
men de V=1,80*0,2*0,5 m3
multiplicada por la acceleración de la (utilizamos las dimensiones de la
gravedad (que vale alrededor de 10) puerta) y la masa volumica de la
así : Ina Binta y Romane
madera es de ρ=610kg/m3. Así el
- el peso de Rosa debe ser de peso de la puerta es de ρ*V*g=1098
Matrix, Harry Potter, 2001 l’odyssée de l’espace
Matrix En esta película hay un hombre que
Un hombre dispara 6 balas de 9mm corre alrededor de un anillo en un
a otro hombre que evita todas las nave spacial mientras que en el es-
balas. No se mueve durante 3 se- pacio, no hay gravedad : la persona
gundos. La velocidad de la bala pue- debería flotar. La solución que pare-
de ser de 1000km/h lo que es
ce posible es poner un imán alrede-
278m/s. La bala recorre una distan-
cia de 10m, así que se mueve du- dor de la nave espacial para crear
rante un tiempo de 0,04s lo que es un campo magnético. Eso produciría
Edwige porte le balai d’Harry potter una fuerza para mantener a la per-
mucho menos que 3 segundos. No
es posible para un hombre evitar 6kg y que la escoba pesa 3kg. Pare- sona de pie, pero podría ser un pro-
balas como en esta película. ce posible para un animal transpor- blema para los aparatos electrónicos
Harry potter tar la mitad de su peso. Por ejemplo, tener tantos imanes en la nave.
una hormiga puede transportar alre-
En la escena de Harry Potter, un
dedor de 3 veces su peso… Wasim, Théo, Jade, Killian et Ru-
búho, Edwige transporta en una es-
coba a Harry potter. ¿Cómo es posi- 2001 l’odyssée de l’espace dy
ble? Imaginamos que el búho pesa
Page 3 La Minute Sciences
Memory in pictures : Black Mirror episode 3 season 1
If you dream like us, to have an ei- episode, when Liam started to doubt eiditic memory helps us to learn much
detic memory, which means a ca- in the fidelity of his wife, he aimed at more easier. Thanks to the new tech-
pacity to take high quality pictures of finding the truth by utilizing his grain nologies, scientific geniuses are able
everthing that you see, to record to recall all the videos with all the to invent a similar chip. But will this
sounds, and to recall images from details. At the end he discovered the chip influence on our brain on the long
your memory at anytime, so you truth. If you want to discover it, you term ?
should watch this episode of Black An important thing which we mustn’t
Mirror. froget it is that a normal life and a nor-
A young lawyer Liam FOXWELL mal memory, are a dream for this per-
has, a grain implanted behind the sons, as at the beginning of the epi-
ear, like everyone else in the epi- sode, we can see a debate between a
sode. This chip allows him to store woman without this chip, and another
everything that he sees and to play woman with it, through this debate, we
them when he wants, thanks to small Série Black Mirror
can compare the two, then we may
remote control. But at the end, we choose if we want to invent this chip
will see an event which improves have to see the end of this episode. or not.
that we would suffer cause of this Thanks to this story which is an excel-
capacity. The eidetic memory is concedered
like an illness which follows the per- lent exapmle for us to know, that not
A terrible event, which a normal son with this illness from birth to all that we like to have, is always help-
mind could drop it, contrary to the death, sadly sometimes it helps to ful. So do you really still want to have
other’s minds (who have an eidetic this chip ?
progress a lot of mental and neu-
memory) preserve it, which will be rologicals illness, for instance alz- by ATALLA Fadia and DAHDAL Maria.
hard for them. For example in the heimer. But on the other hand, an
What excites us about dinosaurs
Dinosaurs are always a success in ship between the main character, the Baryonyx. Thanks to the editor's
theaters. We all know Jurassic Park, Owen Grady (Chris Pratt), and the work, we can watch beautifully
but this article will deal with the se- dinosaurs, especially the raptors, made dinosaurs, which seem so
quel of this iconic saga: Jurassic which should have had feathers, as real due to great visual effects.
World. There are some scientific the scientists say. Moreover, in this We can also expect to huge battles
mistakes that we cannot notice movie we discover the gears of the between dinosaurs : as the Indomi-
thanks to our innocent and unculti- system: how they created dinosaurs nus-Rex, the T-Rex and the Ve-
vated eyes. That way, we can enjoy and as well as the park's organization. lociraptors fight at the end of the
the movie without being focused on Despite the movie includes some sci- film. It is just breathtaking !
the details that can bother us. entific mistakes, it’s a pleasure to no- In a dinosaur movie, we travel in a
First of all, Jurassic World is an tice them thanks to our uncultivated different world that feeds our imagi-
American science fiction movie. The eyes. Those mistakes are about the nation and makes us believe that
story takes place in a park on the size and the physiology of some dino- we can recreate them.
island Isla Nublar, an fictitious island saurs, per example : the raptors Dinosaurs are still a mystery be-
situated on the Pacific coast of (mentioned previously) and the Dimor- cause they lived very long ago and,
Costa Rica. In this park, there are phodon (it’s too big as a dinosaur). curious as we are, we want to learn
tourist attractions with cloned dino- But, we are still attracted to action more about them. We loved watch-
saurs. The most frightening and dan- movies, and especially in Jurassic ing Jurassic World and we hope you
gerous dinosaur being is The Indo- World, the epic scenes. We also see will see it and make your own opin-
minous-Rex ! new kinds of dinosaurs, like the Micro- ion.
The movie is based on the relation- ceratus and the Dimorphodon or even By : Inès TAÏEB and
Ilias BOLARD
Année 2018, n°9 Page 4
Ciné-Sciences Anglais
Could the VR in Ready Player One be realized in our world ?
These days, virtual reality (VR) is virtual world is a utopia. It’s also very our world because our technology is
very far from the VR represented in hard to make it because of many not ready yet. The Oasis is unfeasi-
the film. In fact, the VR impossible points. Can we make a ble because there is no game to
headset have difficulties to democra- realistic world like our planet ? We which all the world can connect and
tize, whereas in the film, everybody can’t make realistic graphics. And everybody can play together nowa-
have them and they meet in a com- what about of the haptic suit (tactil days.
mon virtual world: The Oasis. This suit) ? It’s unrealistic to recreate in By Martin GAUMÉ and Gaspard WEIBEL
Back to the future : dream or reality
For a half-century, there have been consequences of the relativity the- on the "passage of time".
more scientific discoveries than ever. ory, exemplified by the famous "twin
The theory of time travel is very
Nowadays, time is at the center of paradox": let's take two twins, one
complex. Even if the possibility to
our research, and many movies deal that remains on Earth and the other
make a leap into the future is likely,
with time travel like Back to the fu- that leaves for a journey at a speed
the necessary ressources are diffi-
ture, which was released in 1985. close to that of light. If he returns to
cult to create and exploit. In any
Earth after two years of journey in
We will try to find out where we case, there is no evidence to indi-
space, the "traveling twin" will find a
stand regarding the question of time cate that travel to the past would be
brother on Earth who will have aged
travel for and particles, which are possible for humans… but there is
30 years. Of course, no way has
possible within certain conditions. no proof to suggest otherwise either.
been found to approach the speed of
Fasten your seat belts!
light yet, but it has already been By Baptiste Douaud, Nicolas Cap-
Traveling to the future should not be proved by accurately measuring time devielle, Noemie Legeay
too problematic, as long as it is done with clocks aboard an aircraft that
quickly enough. This is one of the speed difference does have an effect
Star Trek and teleportation
Have you already thought of tele- In Gene Roddenberry’s series, con- much information: our body is com-
porting yourself like the Star Trek cerns humans and the characters posed of several hundreds of billions
are teleported from the spaceship to of atoms! During the reconstruction
heros ?
there could be a mistake in the body
the planets.
structure. Even if we found the solu-
But, today, are we able of doing tion there remains a big problem: our
that ? Could we teleport ourselves soul can’t survive to teleportation!
from one place to an other in the
future? In Star Trek, teleportation To conclude, teleportation seems
implies the use of a teleporter, which like an utopy for our generation.
is the most popular technological Guerin Kilian, Caiveau Flavie
device. The operation consists in
scanning a human and saving his or
her molecular atomic structure. After
that, the particles are carried along
an energy ray onto a defined place.
The body reconstruction is possible
Le transporteur de Star Trek
thanks to the teleporter’s memory.
In our reality, teleportation seems
impossible because it requires too
Année 2018, n°9 Page 5
Ciné-science trilingue
Le laser : Science ou fiction ?
Document utilisé par un élève
de BTS CPI dans un exposé
What excites us about dinosaurs Behance.net
Ci-dessus un sabre laser de la saga Star
Wars et ci-contre un vrai laser. Ci-dessous
le même laser présenté en français.
Issu du travail d’élèves de première euro espagnol
Xavier et Léo.
Document utilisé par un élève
Année 2018, n°9 de BTS CPI dans un exposéPage 6
Peut-on détruire une planète avec un laser ?
Dans Star Wars il semble possible de
détruire une planète avec un sabre
laser… Pour évaluer l’énergie néces-
saire à la destruction du planète en
ordre de grandeur on peut utiliser la
formule ci-contre, sachant que
G=6.67*10-11m3kg-1s-2
A vous de calculer…
Travail effectué par Dylan et Théo
en BTS CPI
Les utilisations du laser
podemos utilizar un láser para cortar Un laser permet de couper, graver
materias, para hacer juegos de luz souder, faire des mesures ou de la
en un festival o en una fiesta para microélectronique. Ils sont également
jugar con nuestros gatos, para ope- utilisés dans le médical mais aussi
rar los ojos, escanear códigos de dans la vie quotidienne pour la lecture
barras en comercios, para medir de CD ou de de DVD. On peut égale-
velocidades de vehículos, para ha- ment les employer pour mesurer des
cer electrónica del hogar o realizar distances de vitesse ou encore photo- Découpe laser
procedimientos quirúrgicos. graphier des réactions chimiques.
Anne-Sophie y Andréa première Exemples étudiés en détail par les
euro espagnol élèves de BTS CPI
Les propriétés du laser
ser des laser de différentes couleurs,
comme dans Satr Wars.
Certaines personnes ont imaginé com-
ment fabriquer un sabre laser. Il fau-
drait plutôt utiliser du plasma.
Dans Star Wars, les Laser ont une Le laser en se déplaçant dans l’air ne
limite, ils ne sont pas infini alors fait pas de bruit, c’est de la lumière !
qu’un vrai laser n’est arrêté que par A partir de l’exposé de Mikaël en
Un laser est effectivement très énergé-
un obstacle. BTS CPI
tique mais de là à couper une porte
Un laser n’est pas visible à l’œil car il blindée, c’est tout de même un peu fort
est très directif : la lumière du laser !
ne vient pas dans notre œil donc on ne
Enfin les laser sont caractérisés par
la voit pas.
leur monochromaticité : on peut réali-
Année 2018, n°9 Page 7
Appel à textes
Le journal scientifique du lycée évo- • histoire des sciences M. Jamin : Guillaume-
lue. Nous cherchons des élèves qui • Science et sport Pasca.Jamin@ac-nantes.fr
souhaiteraient participer à sa rédac-
• Livres et sciences
tion en proposant des articles.
• Science et cinéma Mme Iceta : Nelly-Denise.Iceta@ac-
nantes.fr
L’objectif est de laisser les élèves
écrire librement tout en les ren-
contrant de temps en temps pour les Si tu es intéressé par ce projet
aider si nécessaire. contacte M. Jamin ou Mme Iceta ou
parles-en à ton professeur de physi-
Nous avons pour l’instant plusieurs que.
rubriques en tête (mais si tu as d’au- Mme Iceta
tres idées, elles sont bienvenues) :
Comité de rédaction :
Directeur de la publication :
Jean-François Bourdon
Rédacteurs en chef : Nelly
Iceta, Guillaume Jamin
Secrétaires de rédaction :
Nelly Iceta, Guillaume JaminTambién puede leer
