In experiments with topical application of strychnine on the cerebral cortex, the transmission of impulses from the cortex to the hypothalamus was demonstrated.

However, more recent experiments have demonstrated that cells whose centrioles have been removed via laser ablation can still progress through the G < sub > 1 </ sub > stage of interphase before centrioles can be synthesized later in a de novo fashion.

There are four main effects resulting from these interactions, all of which have been clearly demonstrated by experiments:

Twentieth-century experiments demonstrated that electric charge is quantized ; that is, it comes in multiples of individual small units called the elementary charge, e, approximately equal to ( except for particles called quarks, which have charges that are multiples of ⅓e ).

Three experiments reported by Krug, Davis and Glover demonstrated the advantage of delaying a 2nd reading of a text passage by one week ( distributed ) compared with no delay between readings ( massed ).

This was followed by experiments in Severo Ochoa's laboratory that demonstrated that the poly-adenine RNA sequence ( AAAAA ...) coded for the polypeptide poly-lysine and that the poly-cytosine RNA sequence ( CCCCC ...) coded for the polypeptide poly-proline.

Further experiments have demonstrated an actinide chemistry for the new element, so by 1970 it was known that lawrencium is the last actinide.

Repeated experiments since the 17th century have demonstrated that inertial and gravitational mass are equivalent ; since 1915, this observation has been entailed a priori in the equivalence principle of general relativity.

The Parapsychological Association regards the results of parapsychologists ' experiments as having demonstrated the existence of some forms of psychic abilities, and proponents of parapsychology have seen it as an " embryo science ", a " frontier science of the mind ", and a " frontier discipline for advancing knowledge ".

This has been demonstrated with opsin with in vitro experiments.

The full results of the experiments were published in 1942 in a book by Sherman and Wilkins titled Thoughts Through Space in the book both Sherman and Wilkins had written that they believed they had demonstrated that it was possible to send and receive thought impressions from the mind of one person to another.

Heinrich Hertz ( 1888 ) demonstrated the existence of electromagnetic radiation ( radio waves ) in a series of experiments in Germany during the 1880s.

In a classic set of experiments, the Englishman Osborne Reynolds ( 1842 – 1912 ) of the University of Manchester demonstrated that the airflow pattern over a scale model would be the same for the full-scale vehicle if a certain flow parameter were the same in both cases.

as demonstrated in tokamak experiments, and rotational shear is also predicted to stabilize resistive

puff or an impurity pellet has been demonstrated in tokamak experiments, and ongoing

At the moment, according to the available data, inertial confinement fusion experiments have not gone beyond the first phase, although Nova and others have repeatedly demonstrated operation within this realm.

Major institutions such as Snell have demonstrated 720p72 pictures as a result of earlier analogue experiments, where 768 line television at 75 FPS looked subjectively better than 1150 line 50 FPS progressive pictures with higher shutter speeds available ( and a corresponding lower data rate ).

If Bell's inequalities are violated, either local realism or counterfactual definiteness must be incorrect ; but some physicists dispute that experiments have demonstrated Bell's violations, on the grounds that the sub-class of inhomogeneous Bell inequalities has not been tested or due to experimental limitations in the tests.

The various biases demonstrated in these psychological experiments suggest that people will frequently fail to do all these things.

He embarked upon his magnum opus-Ottonis de Guericke Experimenta Nova ( ut vocantur ) Magdeburgica de Vacuo Spatio-which as well as a detailed account of his experiments on the vacuum, contains his pioneering electrostatic experiments in which electrostatic repulsion was demonstrated for the first time and sets out his theologically based view of the nature of Space.

Guericke demonstrated the force of air pressure with dramatic experiments.

Further experiments demonstrated attraction to a number of individual compounds released by host plants and repellance by one compound released by wheat.

Finally William Harvey, a pupil of Hieronymus Fabricius ( who had earlier described the valves of the veins without recognizing their function ), performed a sequence of experiments, and published Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus in 1628, which " demonstrated that there had to be a direct connection between the venous and arterial systems throughout the body, and not just the lungs.

It was previously thought that the heat alone was responsible for killing intruding wasps, but recent experiments have demonstrated that it is the increased temperature in combination with increased carbon dioxide levels within the ball that produces the lethal effect.

Anti-lock brakes are the subject of some experiments centred around risk compensation theory, which asserts that drivers adapt to the safety benefit of ABS by driving more aggressively.

These experiments can be considered exploratory only.

Last season, the Comedie's two principal experiments came to grief, and, in consequence, we can expect fairly soon to see still newer productions of Racine's `` Phedre '' and Moliere's `` School For Wives ''.

After about 10 < sup >− 11 </ sup > seconds, the picture becomes less speculative, since particle energies drop to values that can be attained in particle physics experiments.

Laboratory experiments carried out in Australia have proven that bubbles can, indeed, sink a scale model ship by decreasing the density of the water ; any wreckage consequently rising to the surface would be rapidly dispersed by the Gulf Stream.

NMR experiments can be made in magnetic fields with strengths up to 65 Tesla.

An experiment can show the particle-like properties of matter, or the wave-like properties ; in some experiments both of these complementary viewpoints must be invoked to explain the results, according to the complementarity principle of Niels Bohr.

While its results normally complement the information obtained by chemical experiments, it can in some cases predict hitherto unobserved chemical phenomena.

Chemical kinetics experiments can then be carried out in a " pump-probe " fashion using a laser to initiate the reaction ( for example by preparing one of the reagents by photolysis of a precursor ), followed by observation of that same species ( for example by laser-induced fluorescence ) after a known time delay.

The field of computer music can trace its roots back to the origin of electronic music, and the very first experiments and innovations with electronic instruments at the turn of the 20th century.

Many early experiments found that any modification of the apparatus that can determine which slit a particle passes through will reduce the visibility of interference at the screen, thereby illustrating the complementarity principle: that light ( and electrons, etc.

True single-photon experiments ( in a quantum optical sense ) can be done today in undergraduate-level labs.

More generally, the theory states that everything has both a particle nature and a wave nature, and various experiments can be done to bring out one or the other.

The polarized electron beams can be useful for various experiments.

Some workers in the field have also attempted to formulate hidden variable theories that exploit loopholes in actual experiments, such as the assumptions made in interpreting experimental data, although no theory has been proposed that can reproduce all the results of quantum mechanics.

They proved by their experiments that a group of carbon, hydrogen, and oxygen atoms can behave like an element, take the place of an element, and can be exchanged for elements in chemical compounds.

Free-running sleep experiments can involve any organism which sleeps.

When animals or people free-run, experiments can be done to see what sort of signals, known as zeitgebers, are effective in entrainment.

The same principles can be used in water and experiments have also been made with lighter-than-air kites ( kytoons )

It must be taken into account during experiments, that a conductor carried by a kite can lead to a high voltage toward ground, which can endanger people and equipment, if suitable precautions ( grounding through resistors or a parallel resonant-circuit tuned to transmission frequency ) are not taken.

As can be shown using simple thought experiments following the free-fall trajectories of different test particles, the result of transporting spacetime vectors that can denote a particle's velocity ( time-like vectors ) will vary with the particle's trajectory ; mathematically speaking, the Newtonian connection is not integrable.