Cytotoxic T Cells
How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells. The instructor uses computer software for demonstration. The screen is dark with small writing, so the viewer may want to open the screen to 'full screen'. The instructor is clear and easy to understand.
Interurban Open Air Summer Car, Kokomo, Indiana
Kokomo interurban lines ran open air cars in the summer, like this one destined for Highland Park. Taken from a scrapbook of businessman/inventor Brice Williams Sr., the postcard is one of several produced by Williams' own printing firm.,Howard County Journey
Wind Power from National Renewable Energy Laboratory
This is a very informative video from The National Renewable Energy Laboratory (NREL) about wind power, how it works, the benefits, and its future. There is closed captioning, which is great because, for younger students, this will be paused throughout for explanations/discussions. Although this was made for adults, there is a very basic explanation of how wind mills turn the wind into energy. (06:45)
The Bounty (film) : Exercises Materiaal voor een vijftiental lessen met een verscheidenheid van kijk-, luister-, lees- en schrijfoefeningen met aandacht voor woordenschat en enkele spraakkunstitems plus links naar o.a. een online game gebaseerd op de lotgevallen van de Bounty. …
Refraction in Gases
This video explains how light travels through different materials to our eyes—or refraction. Refraction is the slowing down or bending of light as it moves through different transparent substances. This video explains the index of refraction, which is the speed of light in a vacuum divided by the speed of light in material. It provides a demonstration that shows how to create a mirage using a tank, fresh water, salt water, and a laser. (4:52)
30.05.2012 – Langsam gesprochene Nachrichten
Trainiere dein Hörverstehen mit den Nachrichten der Deutschen Welle von Mittwoch – als Text und als verständlich gesprochene Audio-Datei.
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Nach dem Massaker von Hula mit mehr als 100 Toten schließt der französische Präsident Hollande einen Militäreinsatz in Syrien nicht aus. Hollande sagte in Paris, Voraussetzung dafür sei aber ein Mandat der Vereinten Nationen. Jetzt müssten Russland und China überzeugt werden. Aus Protest gegen das Massaker weisen mehrere westliche Länder wie
7.3.3 Plasmas More control can be achieved in vapour deposition if a plasma is generated. A plasma is simply a gas where a proportion of the molecules have been ionised. The ions remain in an uneasy equilibrium with the electrons they have released, prevented from recombining only because the electrons are hot and fast-moving, and so are difficult to trap. Plasmas are widely used in materials processing, with pressure ranging from 10−3 mbar to 1 mbar and typically up to 1% of the molecul
1.6.3 Mailing lists and newsgroups Mailing or discussion lists are email-based discussion groups. When you send an email to a mailing list address, it is sent automatically to all the other members of the list. The majority of academic-related mailing lists in the UK are maintained by JISCMail. You will find details of joining these mailing lists on the Author(s):
Laboratorio de Química
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Johannesburg: an LBS student's view
London Business School MBA students film their South African journey from their point of view as they help local entrepreneurs with the challenges they face as small businesses in an emerging market.
Figurative Language
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Global Warming with Tim and Moby
See how greenhouse gasses are suspected of causing Earth to heat up in this animated BrainPOP movie. A quiz is also included with this link. (Approximate run time 2:00)
Cough and Cold Medications
By: ataborga An overview about cough and cold medications.
Lincoln's Grammar Book
In this video clip, learn more about Abraham Lincoln and his devoted intense effort to self-education through reading. His grammar book survives as a testament to this self-made man's pursuit of knowledge. (2:25)
Parasitología Clínica y Hematología
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Quasars - Khan Academy
Quasars (09:15)
Time-Lapse: Watch Flowers Bloom Before Your Eyes
Witness dozens of different types of flowers unfurling in this stunning time-lapse video from filmmaker David de los Santos Gil. He used 5,000 out of 50,000 shots of his floral subjects for the final video, which was filmed over a period of nine months. (03:24)
Laser Scanning Confocal Microscope
By: gina_1204 Immuno stain of the cells on a membrane
Precession Causing Perihelion to Happen Later - Khan Academy
Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion. (12:04)